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  <xs:element id="banc_FeesandCommissionsOther1" abstract="false" name="FeesandCommissionsOther1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FeesandCommissionsDepositorAccounts1" abstract="false" name="FeesandCommissionsDepositorAccounts1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DividendsAndGainsLossesOnEquityInvestments" abstract="false" name="DividendsAndGainsLossesOnEquityInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_WarrantIncome" abstract="false" name="WarrantIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LOCOMHFSAdjustment" abstract="false" name="LOCOMHFSAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LeaseEquipmentDepreciation" abstract="false" name="LeaseEquipmentDepreciation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CustomerRelatedExpense" abstract="false" name="CustomerRelatedExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LoanExpense" abstract="false" name="LoanExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAOCIForAmortizationOfGainLossBeforeTax1" abstract="false" name="OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAOCIForAmortizationOfGainLossBeforeTax1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AmortizationOfUnrealizedNetLossOnSecuritiesTransferredFromAvailableForSaleToHeldToMaturityNetOfTax" abstract="false" name="AmortizationOfUnrealizedNetLossOnSecuritiesTransferredFromAvailableForSaleToHeldToMaturityNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ChangeInFairValueOfCreditLinkedNotes" abstract="false" name="ChangeInFairValueOfCreditLinkedNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncomeTaxExpenseRelatedToChangeInFairValueOfCreditLinkedNotes" abstract="false" name="IncomeTaxExpenseRelatedToChangeInFairValueOfCreditLinkedNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ChangeInFairValueOfCreditLinkedNotesNetOfTax" abstract="false" name="ChangeInFairValueOfCreditLinkedNotesNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_PacificWesternBankMember" abstract="true" name="PacificWesternBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PrivateCapitalMember" abstract="true" name="PrivateCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_VotingCommonStockMember" abstract="true" name="VotingCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonvotingCommonStockEquivalentsMember" abstract="true" name="NonvotingCommonStockEquivalentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonVotingSharesConversionDecreaseMember" abstract="true" name="NonVotingSharesConversionDecreaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonVotingSharesConversionIncreasesMember" abstract="true" name="NonVotingSharesConversionIncreasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ShareRepurchaseProgramMember" abstract="true" name="ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DividendReinvestmentPlanMember" abstract="true" name="DividendReinvestmentPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SharesIssuedTypeAxis" abstract="true" name="SharesIssuedTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_SharesIssuedTypeDomain" abstract="true" name="SharesIssuedTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CapitalRaiseMember" abstract="true" name="CapitalRaiseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ConversionOfVotingCommonStockToNonVotingCommonStockEquivalents" abstract="false" name="ConversionOfVotingCommonStockToNonVotingCommonStockEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_RestrictedStockBasedCompensationMember" abstract="true" name="RestrictedStockBasedCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RestrictedStockBasedCompensationSurrenderedMember" abstract="true" name="RestrictedStockBasedCompensationSurrenderedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SharesPurchasedUnderDividendReinvestmentPlan" abstract="false" name="SharesPurchasedUnderDividendReinvestmentPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_StockPurchasedUnderDividendReinvestmentPlan" abstract="false" name="StockPurchasedUnderDividendReinvestmentPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_ConversionOfNonVotingCommonStockEquivalentsToVotingCommonStock" abstract="false" name="ConversionOfNonVotingCommonStockEquivalentsToVotingCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_March172025StockRepurchaseProgramMember" abstract="true" name="March172025StockRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ProvisionForLossesOnForeclosedAssets" abstract="false" name="ProvisionForLossesOnForeclosedAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnrealizedGainLossonDerivativesandForeignCurrenciesNet" abstract="false" name="UnrealizedGainLossonDerivativesandForeignCurrenciesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ProceedsFromSalesofLoansandLeases" abstract="false" name="ProceedsFromSalesofLoansandLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ProceedsFromMaturitiesAndPaydownsOfDebtSecuritiesAvailableForSale" abstract="false" name="ProceedsFromMaturitiesAndPaydownsOfDebtSecuritiesAvailableForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ProceedsFromMaturitiesAndPaydownsOfSecuritiesHeldToMaturity" abstract="false" name="ProceedsFromMaturitiesAndPaydownsOfSecuritiesHeldToMaturity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NetDecreaseIncreaseInEquipmentLeasedToOthersUnderOperatingLeases" abstract="false" name="NetDecreaseIncreaseInEquipmentLeasedToOthersUnderOperatingLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncreaseDecreaseInNoninterestBearingDomesticandForeignDeposits" abstract="false" name="IncreaseDecreaseInNoninterestBearingDomesticandForeignDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncreaseDecreaseInInterestBearingDomesticAndForeignDeposits" abstract="false" name="IncreaseDecreaseInInterestBearingDomesticAndForeignDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_Restrictedstocksurrendered" abstract="false" name="Restrictedstocksurrendered" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_RestrictedCashBalancesAbstract" abstract="true" name="RestrictedCashBalancesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_PremisesandEquipmentNetAbstract" abstract="true" name="PremisesandEquipmentNetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_FairValueElectionTextBlock" abstract="false" name="FairValueElectionTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_RevenueFromContractsWithCustomersAbstract" abstract="true" name="RevenueFromContractsWithCustomersAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_BenefitPlansAbstract" abstract="true" name="BenefitPlansAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_DividendAvailabilityandRegulatoryMattersAbstract" abstract="true" name="DividendAvailabilityandRegulatoryMattersAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_CondensedFinancialInformationOfParentCompanyAbstract" abstract="true" name="CondensedFinancialInformationOfParentCompanyAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_FinanceReceivableAllowanceForCreditLossesPolicyPolicyTextBlock" abstract="false" name="FinanceReceivableAllowanceForCreditLossesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_LandPremisesandEquipmentPolicyTextBlock" abstract="false" name="LandPremisesandEquipmentPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_ForeclosedassetsPolicyTextBlock" abstract="false" name="ForeclosedassetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_InvestmentsClassifiedByContractualMaturityDateAvailableForSaleTableTextBlock" abstract="false" name="InvestmentsClassifiedByContractualMaturityDateAvailableForSaleTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_InvestmentSecuritiesClassifiedByContractualMaturitiesDateHeldToMaturityTableTextBlock" abstract="false" name="InvestmentSecuritiesClassifiedByContractualMaturitiesDateHeldToMaturityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_ScheduleOfCompositionofLoansPortfolioTableTextBlock" abstract="false" name="ScheduleOfCompositionofLoansPortfolioTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FinancingReceivableNonAccrualAndPerformingTableTextBlock" abstract="false" name="FinancingReceivableNonAccrualAndPerformingTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FinanceReceivableInvestmentAndInterestIncomeNonaccrualTableTextBlock" abstract="false" name="FinanceReceivableInvestmentAndInterestIncomeNonaccrualTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FinanceReceivablesLoanRestructuringRefinancingModificationsTableTextBlock" abstract="false" name="FinanceReceivablesLoanRestructuringRefinancingModificationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_DirectFinanceLeaseReceivableComponentsTableTextBlock" abstract="false" name="DirectFinanceLeaseReceivableComponentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_CollateralDependentAndIndividuallyEvaluatedTableTextBlock" abstract="false" name="CollateralDependentAndIndividuallyEvaluatedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FinancingReceivableModifiedLoansPaymentStatusTableTextBlock" abstract="false" name="FinancingReceivableModifiedLoansPaymentStatusTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FinanceReceivableLoansByOriginationYearTableTextBlock" abstract="false" name="FinanceReceivableLoansByOriginationYearTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_OtherAssetsTableTextBlock" abstract="false" name="OtherAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_SummaryOfInterestBearingDepositsTableTextBlock" abstract="false" name="SummaryOfInterestBearingDepositsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_ScheduleofMaturitiesOfTimeDepositsTableTextBlock" abstract="false" name="ScheduleofMaturitiesOfTimeDepositsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_BorrowingsSubordinatedDebenturesAndBrokeredDepositsDisclosureTableTextBlock" abstract="false" name="BorrowingsSubordinatedDebenturesAndBrokeredDepositsDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FairValueOptionDisclosureCreditLinkNotesTableTextBlock" abstract="false" name="FairValueOptionDisclosureCreditLinkNotesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_NetLossesGainsOnNonrecurringAssetsTableTextBlock" abstract="false" name="NetLossesGainsOnNonrecurringAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_FairValueMeasurementInputsandValuationsTableTextBlock" abstract="false" name="FairValueMeasurementInputsandValuationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_RevenueFromContractsWithCustomersTableTextBlock" abstract="false" name="RevenueFromContractsWithCustomersTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_RevenueRecognitionofContractsWithCustomersTableTextBlock" abstract="false" name="RevenueRecognitionofContractsWithCustomersTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_CommonStockSurrenderedTableTextBlock" abstract="false" name="CommonStockSurrenderedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="banc_April302021IssuanceMember" abstract="true" name="April302021IssuanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_Thresholdforloansthatareconsideredindividuallysignificantforallowanceanalysispurposes" abstract="false" name="Thresholdforloansthatareconsideredindividuallysignificantforallowanceanalysispurposes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_BuildingsUsefulLife" abstract="false" name="BuildingsUsefulLife" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_CurrentAndDeferredTaxAssetsNet" abstract="false" name="CurrentAndDeferredTaxAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TotalAssetsAcquired" abstract="false" name="TotalAssetsAcquired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_BANCMember" abstract="true" name="BANCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CenterbridgeInvestorMember" abstract="true" name="CenterbridgeInvestorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_WarburgInvestorsMember" abstract="true" name="WarburgInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_BancOfCaliforniaMember" abstract="true" name="BancOfCaliforniaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockTypeAxis" abstract="true" name="StockTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_StockTypeDomain" abstract="true" name="StockTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CommonStockWarrantsIssuedPerSharePrice" abstract="false" name="CommonStockWarrantsIssuedPerSharePrice" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_PledgedCashforDerivativeContracts" abstract="false" name="PledgedCashforDerivativeContracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CashCollateral" abstract="false" name="CashCollateral" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CreditLinkNotesMember" abstract="true" name="CreditLinkNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InvestmentSecuritiesAxis" abstract="true" name="InvestmentSecuritiesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_InvestmentSecuritiesDomain" abstract="true" name="InvestmentSecuritiesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_GovernmentagencyandgovernmentsponsoredenterprisecollateralizedmortgageobligationsMember" abstract="true" name="GovernmentagencyandgovernmentsponsoredenterprisecollateralizedmortgageobligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PrivateLabelCollateralizedMortgageObligationsMember" abstract="true" name="PrivateLabelCollateralizedMortgageObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SBAassetbackedsecuritiesMember" abstract="true" name="SBAassetbackedsecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DebtSecuritiesAvailableForSaleNetCarryingAmount" abstract="false" name="DebtSecuritiesAvailableForSaleNetCarryingAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AvailableForSaleInvestmentsAxis" abstract="true" name="AvailableForSaleInvestmentsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_AvailableForSaleInvestmentsDomain" abstract="true" name="AvailableForSaleInvestmentsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ContractualMaturitiesOfAvailableForSaleAndHeldToMaturityInvestmentSecuritiesAbstract" abstract="true" name="ContractualMaturitiesOfAvailableForSaleAndHeldToMaturityInvestmentSecuritiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_StandardPoorsNoCreditRatingMember" abstract="true" name="StandardPoorsNoCreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AvailableForSaleSecuritiesPledgedAsCollateralAmortizedCost" abstract="false" name="AvailableForSaleSecuritiesPledgedAsCollateralAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_RealEstateConstructionMember" abstract="true" name="RealEstateConstructionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LandAndAcquisitionsAndDevelopmentLoans" abstract="false" name="LandAndAcquisitionsAndDevelopmentLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FinancingReceivableUnamortizedPurchasePremium" abstract="false" name="FinancingReceivableUnamortizedPurchasePremium" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_MultiFamilyRealEstateLoansMember" abstract="true" name="MultiFamilyRealEstateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherResidentialRealEstateMember" abstract="true" name="OtherResidentialRealEstateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RealEstateConstructionLoanTypeAxis" abstract="true" name="RealEstateConstructionLoanTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_RealEstateConstructionLoanTypeDomain" abstract="true" name="RealEstateConstructionLoanTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CommercialRealEstateConstructionLoanReceivableMember" abstract="true" name="CommercialRealEstateConstructionLoanReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ResidentialRealEstateConstructionFinancingReceivableMember" abstract="true" name="ResidentialRealEstateConstructionFinancingReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CommercialCollateralizedFinancingReceivableLoanTypeAxis" abstract="true" name="CommercialCollateralizedFinancingReceivableLoanTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_CommercialCollateralizedFinancingReceivableLoanTypeDomain" abstract="true" name="CommercialCollateralizedFinancingReceivableLoanTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AssetBasedMember" abstract="true" name="AssetBasedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_VentureCapitalLoansMember" abstract="true" name="VentureCapitalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherCommercialMember" abstract="true" name="OtherCommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A30To89DaysPastDueMember" abstract="true" name="A30To89DaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A90OrMoreDaysPastDueMember" abstract="true" name="A90OrMoreDaysPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinancingReceivableRecordedInvestmentTotalPastDue" abstract="false" name="FinancingReceivableRecordedInvestmentTotalPastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReceivablesPastDueAbstract" abstract="true" name="ReceivablesPastDueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_FinancingReceivableRecordedInvestmentThirtyToEightyNineDaysPastDue" abstract="false" name="FinancingReceivableRecordedInvestmentThirtyToEightyNineDaysPastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LoanReceivableRecordedInvestmentEqualtoGreaterthan90DaysPastDue" abstract="false" name="LoanReceivableRecordedInvestmentEqualtoGreaterthan90DaysPastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FinancingReceivableRecordedInvestmentCurrentNoPastDue" abstract="false" name="FinancingReceivableRecordedInvestmentCurrentNoPastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LoansAndLeasesReceivableNetOfDeferredIncomeAndUnearnedDiscountsNet" abstract="false" name="LoansAndLeasesReceivableNetOfDeferredIncomeAndUnearnedDiscountsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LoansAndLeasesReceivableNetOfDeferredIncomeNotPastDue" abstract="false" name="LoansAndLeasesReceivableNetOfDeferredIncomeNotPastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ClassifiedMember" abstract="true" name="ClassifiedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ProvisionTypeAxis" abstract="true" name="ProvisionTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_ProvisionTypeDomain" abstract="true" name="ProvisionTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinanceReceivableAllowanceMember" abstract="true" name="FinanceReceivableAllowanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NoFinanceReceivableAllowanceMember" abstract="true" name="NoFinanceReceivableAllowanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinancingReceivableNonaccrualNoAllowanceIncludingDeferredFees" abstract="false" name="FinancingReceivableNonaccrualNoAllowanceIncludingDeferredFees" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TermLoansByOriginationDateMember" abstract="true" name="TermLoansByOriginationDateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RevolvingConvertedToTermLoanMember" abstract="true" name="RevolvingConvertedToTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A12HighPassMember" abstract="true" name="A12HighPassMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A34PassMember" abstract="true" name="A34PassMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A5SpecialMentionMember" abstract="true" name="A5SpecialMentionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_A68ClassifiedMember" abstract="true" name="A68ClassifiedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TermLoanOriginationDateAxis" abstract="true" name="TermLoanOriginationDateAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_TermLoanOriginationDateDomain" abstract="true" name="TermLoanOriginationDateDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2024Member" abstract="true" name="OriginationDate2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2023Member" abstract="true" name="OriginationDate2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2022Member" abstract="true" name="OriginationDate2022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2021Member" abstract="true" name="OriginationDate2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2020Member" abstract="true" name="OriginationDate2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OriginationDate2019Member" abstract="true" name="OriginationDate2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PriorMember" abstract="true" name="PriorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_GrossChargesByOriginationYear" abstract="false" name="GrossChargesByOriginationYear" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CommercialRealEstateLoanReceivableMember" abstract="true" name="CommercialRealEstateLoanReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TermExtensionAndPaymentDelayMember" abstract="true" name="TermExtensionAndPaymentDelayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PaymentDelayMember" abstract="true" name="PaymentDelayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TermExtensionAndInterestRateReductionMember" abstract="true" name="TermExtensionAndInterestRateReductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ExtendedMaturityAndPaymentDelayMember" abstract="true" name="ExtendedMaturityAndPaymentDelayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LoanRestructuringAndRefinancingConcessionTypeAxis" abstract="true" name="LoanRestructuringAndRefinancingConcessionTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_LoanRestructuringAndRefinancingConcessionTypeDomain" abstract="true" name="LoanRestructuringAndRefinancingConcessionTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CombinationTermExtensionAndPaymentDelayMember" abstract="true" name="CombinationTermExtensionAndPaymentDelayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CombinationTermExtensionAndPrincipalForgivenessMember" abstract="true" name="CombinationTermExtensionAndPrincipalForgivenessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CombinationTermExtensionAndInterestRateReductionMember" abstract="true" name="CombinationTermExtensionAndInterestRateReductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinancingReceivableModifiedInterestRateReductionWeightedAverageTermIncrease" abstract="false" name="FinancingReceivableModifiedInterestRateReductionWeightedAverageTermIncrease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="banc_CombinationTermAxis" abstract="true" name="CombinationTermAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_CombinationTermAxisDomain" abstract="true" name="CombinationTermAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinancingReceivableModifiedWeightedAverageTermIncreaseModification" abstract="false" name="FinancingReceivableModifiedWeightedAverageTermIncreaseModification" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_FinancingReceivableModifiedPaymentDelay" abstract="false" name="FinancingReceivableModifiedPaymentDelay" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_CurrentMember" abstract="true" name="CurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinanceReceivableLoanRestructuringAndRefinancingPaymentStatus" abstract="false" name="FinanceReceivableLoanRestructuringAndRefinancingPaymentStatus" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LoanReceivableTroubledDebtRestructuringAxis" abstract="true" name="LoanReceivableTroubledDebtRestructuringAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_LoanReceivableTroubledDebtRestructuringDomain" abstract="true" name="LoanReceivableTroubledDebtRestructuringDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DirectFinancingLeaseDeferredSellingProfitAndOther" abstract="false" name="DirectFinancingLeaseDeferredSellingProfitAndOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_BusinessAssetsMember" abstract="true" name="BusinessAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CollateraldependentFinanceReceivable" abstract="false" name="CollateraldependentFinanceReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NonPurchasedCreditImpairedLoansAndLeasesMember" abstract="true" name="NonPurchasedCreditImpairedLoansAndLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ReserveforUnfundedLoanCommitments" abstract="false" name="ReserveforUnfundedLoanCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReserveforUnfundedLoanCommitmentsChargeoffs" abstract="false" name="ReserveforUnfundedLoanCommitmentsChargeoffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReserveforUnfundedLoanCommitmentsRecoveries" abstract="false" name="ReserveforUnfundedLoanCommitmentsRecoveries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReserveforUnfundedLoanCommitmentsNetChargeoffs" abstract="false" name="ReserveforUnfundedLoanCommitmentsNetChargeoffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FinancingReceivableAllowanceForCreditLossesNetChargeoffs" abstract="false" name="FinancingReceivableAllowanceForCreditLossesNetChargeoffs" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ReserveforUnfundedCommitmentsProvision" abstract="false" name="ReserveforUnfundedCommitmentsProvision" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NonaccrualMember" abstract="true" name="NonaccrualMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_HedgingTypeAxis" abstract="true" name="HedgingTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_HedgingTypeDomain" abstract="true" name="HedgingTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CombinationTermExtensionRateReductionAndPaymentDelayMember" abstract="true" name="CombinationTermExtensionRateReductionAndPaymentDelayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FinancingReceivableRecordedInvestment90DaysPastDueNonaccrual" abstract="false" name="FinancingReceivableRecordedInvestment90DaysPastDueNonaccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent" abstract="false" name="FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FullyAmortizedPortionOfIntangiblesAxis" abstract="true" name="FullyAmortizedPortionOfIntangiblesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_FullyAmortizedPortionOfIntangiblesDomain" abstract="true" name="FullyAmortizedPortionOfIntangiblesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CDIandCRIMember" abstract="true" name="CDIandCRIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AmortizationExpenseCDIAndCRI" abstract="false" name="AmortizationExpenseCDIAndCRI" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FiniteLivedIntangibleAssetsFullyAmortizedPortion" abstract="false" name="FiniteLivedIntangibleAssetsFullyAmortizedPortion" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LowIncomeHousingTaxCreditLIHTC" abstract="false" name="LowIncomeHousingTaxCreditLIHTC" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_Interestandfeesreceivableincome" abstract="false" name="Interestandfeesreceivableincome" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_SBICInvestments" abstract="false" name="SBICInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AlternativeEnergyPartnershipsHLBVInvestments" abstract="false" name="AlternativeEnergyPartnershipsHLBVInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityInvestmentsWithoutReadilyDeterminableFairValue" abstract="false" name="EquityInvestmentsWithoutReadilyDeterminableFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TotalOtherInvestments" abstract="false" name="TotalOtherInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ForeclosedAssetsNet" abstract="false" name="ForeclosedAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityWarrants" abstract="false" name="EquityWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TimeDeposits250000AndUnder" abstract="false" name="TimeDeposits250000AndUnder" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TimeDepositsOver250000" abstract="false" name="TimeDepositsOver250000" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TimeDepositsBalanceTable" abstract="true" name="TimeDepositsBalanceTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_TimeDepositsBalanceAxis" abstract="true" name="TimeDepositsBalanceAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_TimeDepositsBalanceDomain" abstract="true" name="TimeDepositsBalanceDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DepositsExceedingFDICInsuranceLimitof250000Member" abstract="true" name="DepositsExceedingFDICInsuranceLimitof250000Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DepositsFDCInsured250000andUnderMember" abstract="true" name="DepositsFDCInsured250000andUnderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TimeDepositsBalanceLineItems" abstract="true" name="TimeDepositsBalanceLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_DepositProductTypeAxis" abstract="true" name="DepositProductTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_DepositProductTypeDomain" abstract="true" name="DepositProductTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_BrokeredTimeDepositsMember" abstract="true" name="BrokeredTimeDepositsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonmaturityDepositsMember" abstract="true" name="NonmaturityDepositsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AmericanFinancialExchangeMember" abstract="true" name="AmericanFinancialExchangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FivePointTwoFivePercentSeniorNotesDueApril152025Member" abstract="true" name="FivePointTwoFivePercentSeniorNotesDueApril152025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_FederalReserveBankAdvancesBranchofFederalReserveAxis" abstract="true" name="FederalReserveBankAdvancesBranchofFederalReserveAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_FederalReserveBankAdvancesBranchOfFederalReserveDomain" abstract="true" name="FederalReserveBankAdvancesBranchOfFederalReserveDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TotalBorrowings" abstract="false" name="TotalBorrowings" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_AcquisitionDiscountOnSeniorNotes" abstract="false" name="AcquisitionDiscountOnSeniorNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_MoreThanEighteen18MonthsButLessThanTwentyFourMonths24Member" abstract="true" name="MoreThanEighteen18MonthsButLessThanTwentyFourMonths24Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_MoreThanTwentyFour24MonthsButLessThanThirtySixMonths36Member" abstract="true" name="MoreThanTwentyFour24MonthsButLessThanThirtySixMonths36Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_MoreThanNineYearsButLessThanTenYearsMember" abstract="true" name="MoreThanNineYearsButLessThanTenYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_MoreThanOneDayButLessThanThreeMonths3Member" abstract="true" name="MoreThanOneDayButLessThanThreeMonths3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNumberAxis" abstract="true" name="AdvanceNumberAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_AdvanceNumberDomain" abstract="true" name="AdvanceNumberDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.1Member" abstract="true" name="AdvanceNo.1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.5Member" abstract="true" name="AdvanceNo.5Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.6Member" abstract="true" name="AdvanceNo.6Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.7Member" abstract="true" name="AdvanceNo.7Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.2Member" abstract="true" name="AdvanceNo.2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.3Member" abstract="true" name="AdvanceNo.3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.4Member" abstract="true" name="AdvanceNo.4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AdvanceNo.8Member" abstract="true" name="AdvanceNo.8Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_EuriborRateMember" abstract="true" name="EuriborRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustVDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVIDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustVIDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustCIIDueSeptember2033Member" abstract="true" name="SubordinatedDebtTrustCIIDueSeptember2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustVIIDueApril2034Member" abstract="true" name="SubordinatedDebtTrustVIIDueApril2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustCIIIDueSeptember2035Member" abstract="true" name="SubordinatedDebtTrustCIIIDueSeptember2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustFCCIDueMarch2037Member" abstract="true" name="SubordinatedDebtTrustFCCIDueMarch2037Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebtTrustFCBIDueDecember2035Member" abstract="true" name="SubordinatedDebtTrustFCBIDueDecember2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandFiveSeriesOneMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandFiveSeriesOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandFiveSeriesTwoMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandFiveSeriesTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TwoThousandSixOneTermDebtSecuritizationMember" abstract="true" name="TwoThousandSixOneTermDebtSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TwoThousandSixTwoTermDebtSecuritizationMember" abstract="true" name="TwoThousandSixTwoTermDebtSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesThreeMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesFourMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSixSeriesFiveMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSixSeriesFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TrustPreferredSecuritiesTwoThousandSevenSeriesTwoMember" abstract="true" name="TrustPreferredSecuritiesTwoThousandSevenSeriesTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedNotesDueMay2031Member" abstract="true" name="SubordinatedNotesDueMay2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PMBStatutoryTrustIIIMember" abstract="true" name="PMBStatutoryTrustIIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PMBCapitalTrustIIIMember" abstract="true" name="PMBCapitalTrustIIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedNotesDueOctober302030Member" abstract="true" name="SubordinatedNotesDueOctober302030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SubordinatedDebenturesGross" abstract="false" name="SubordinatedDebenturesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_LowestRateOfSpreadAxis" abstract="true" name="LowestRateOfSpreadAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_LowestRateOfSpreadDomain" abstract="true" name="LowestRateOfSpreadDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LowestRateOfSpreadMember" abstract="true" name="LowestRateOfSpreadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_HighestRateOfSpreadAxis" abstract="true" name="HighestRateOfSpreadAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_HighestRateOfSpreadDomain" abstract="true" name="HighestRateOfSpreadDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_HighestRateOfSpreadMember" abstract="true" name="HighestRateOfSpreadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InterestRateContractsMember" abstract="true" name="InterestRateContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ForeignExchangeContractsMember" abstract="true" name="ForeignExchangeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LoansandLeasesCommitmentsToExtendCredit" abstract="false" name="LoansandLeasesCommitmentsToExtendCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CommitmentToContributeCapitaltoCRARelatedPool" abstract="false" name="CommitmentToContributeCapitaltoCRARelatedPool" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FairValueOptionChangesInComprehensiveIncomeLoss" abstract="false" name="FairValueOptionChangesInComprehensiveIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_BorrowingsCreditLinkNotes" abstract="false" name="BorrowingsCreditLinkNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_SpreadTo10YearTreasuryMember" abstract="true" name="SpreadTo10YearTreasuryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DiscountRatesMember" abstract="true" name="DiscountRatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CorporateDebtSecuritiesMeasurementInput" abstract="false" name="CorporateDebtSecuritiesMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="banc_EquityWarrantsMeasurementInput" abstract="false" name="EquityWarrantsMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="banc_FairValueEquityLevel2ToLevel1Transfers" abstract="false" name="FairValueEquityLevel2ToLevel1Transfers" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_FairValueAssetsLevel3ToLevel2TransfersAmount" abstract="false" name="FairValueAssetsLevel3ToLevel2TransfersAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityWarrantsMeasurementInputRemainingLife" abstract="false" name="EquityWarrantsMeasurementInputRemainingLife" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleListNotDisclosedFlag" abstract="false" name="FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleListNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_EquityWarrantsTransferstoAvailableForSaleSecurities" abstract="false" name="EquityWarrantsTransferstoAvailableForSaleSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ThirdPartyAppraisalsMember" abstract="true" name="ThirdPartyAppraisalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherrealestateandforeclosedassetsMember" abstract="true" name="OtherrealestateandforeclosedassetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TotalNetGainLossFromNonrecurringAssets" abstract="false" name="TotalNetGainLossFromNonrecurringAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnobservableInputsAxis" abstract="true" name="UnobservableInputsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_UnobservableInputsDomain" abstract="true" name="UnobservableInputsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NoDiscountsMember" abstract="true" name="NoDiscountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NonPCIandPCILoansMember" abstract="true" name="NonPCIandPCILoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_InterestRateAndForeignExchangeContractsMember" abstract="true" name="InterestRateAndForeignExchangeContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SecuritiesAvailableForSaleIncludingCoveredSecurities" abstract="false" name="SecuritiesAvailableForSaleIncludingCoveredSecurities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CashFlowHedgesInCashFairValueDisclosureLiabilities" abstract="false" name="CashFlowHedgesInCashFairValueDisclosureLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" abstract="false" name="DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_ServicingRights" abstract="false" name="ServicingRights" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncomeTaxReconciliationChangeInCashSurrenderValueOfLifeInsurance" abstract="false" name="IncomeTaxReconciliationChangeInCashSurrenderValueOfLifeInsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncomeTaxReconciliationNondeductibleExpenseAcquisitionRelatedCost" abstract="false" name="IncomeTaxReconciliationNondeductibleExpenseAcquisitionRelatedCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NondeductibleFDICInsurancePremiums" abstract="false" name="NondeductibleFDICInsurancePremiums" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EffectiveIncomeTaxRateReconciliationDisallowedInterest" abstract="false" name="EffectiveIncomeTaxRateReconciliationDisallowedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EffectiveIncomeTaxRateReconciliationEquityCompensationShortfallWindfall" abstract="false" name="EffectiveIncomeTaxRateReconciliationEquityCompensationShortfallWindfall" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_Interestonnonaccrualloans" abstract="false" name="Interestonnonaccrualloans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DeferredTaxAssetsUnrealizedLossesOnOtherRealEstateOwned" abstract="false" name="DeferredTaxAssetsUnrealizedLossesOnOtherRealEstateOwned" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnrealizedLossFromFDICAssistedAcquisitions" abstract="false" name="UnrealizedLossFromFDICAssistedAcquisitions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DeferredTaxAssetsLeasingArrangements" abstract="false" name="DeferredTaxAssetsLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_CashFlowUnrealizedLossOnSecuritiesHeldToMaturity" abstract="false" name="CashFlowUnrealizedLossOnSecuritiesHeldToMaturity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DeferredTaxLiabilitiesSubordinatedDebt" abstract="false" name="DeferredTaxLiabilitiesSubordinatedDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnrealizedGainLossOnCreditLinkedNotes" abstract="false" name="UnrealizedGainLossOnCreditLinkedNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DeferredTaxLiabilitiesRightofUseAsset" abstract="false" name="DeferredTaxLiabilitiesRightofUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_DeferredTaxAssetLiability" abstract="false" name="DeferredTaxAssetLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ExpenseClassAxis" abstract="true" name="ExpenseClassAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_ExpenseClassDomain" abstract="true" name="ExpenseClassDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_IncomeTaxExpenseMember" abstract="true" name="IncomeTaxExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LIHTCInvestmentsMember" abstract="true" name="LIHTCInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DTATypeAxis" abstract="true" name="DTATypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_DTATypeDomain" abstract="true" name="DTATypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DTARecognizedTaxExpenseMember" abstract="true" name="DTARecognizedTaxExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LIHTCCreditExpirationsAxis" abstract="true" name="LIHTCCreditExpirationsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_LIHTCCreditExpirationsDomain" abstract="true" name="LIHTCCreditExpirationsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CreditCarryforwardWithNoExpirationDateMember" abstract="true" name="CreditCarryforwardWithNoExpirationDateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_CreditCarryforwardWithExpirationDatesMember" abstract="true" name="CreditCarryforwardWithExpirationDatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_UnusedFederaloperatinglosscarryforwards" abstract="false" name="UnusedFederaloperatinglosscarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_UnusedStateoperatinglosscarryforwards" abstract="false" name="UnusedStateoperatinglosscarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_StateLIHTCCarryforwardCredit" abstract="false" name="StateLIHTCCarryforwardCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NetIncomeLossFromContinuingOperationAvailableToCommonStockholdersBasic" abstract="false" name="NetIncomeLossFromContinuingOperationAvailableToCommonStockholdersBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_EquityStockTypeAxis" abstract="true" name="EquityStockTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_EquityStockTypeDomain" abstract="true" name="EquityStockTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NVCENonVotingShareClassMember" abstract="true" name="NVCENonVotingShareClassMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_AllocatedToCommonAndEquivalentShares" abstract="false" name="AllocatedToCommonAndEquivalentShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_WeightedAverageUnvestedRestrictedStockOutstanding" abstract="false" name="WeightedAverageUnvestedRestrictedStockOutstanding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NetEarningsReallocationForVotingCommonStock" abstract="false" name="NetEarningsReallocationForVotingCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ConversionToVotingCommonShares" abstract="false" name="ConversionToVotingCommonShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_CommonSharesAfterConversionEarningsPerShareDiluted" abstract="false" name="CommonSharesAfterConversionEarningsPerShareDiluted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_ClassOfWarrantOutstanding" abstract="false" name="ClassOfWarrantOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_RevenueFromContractsWithCustomersTable" abstract="true" name="RevenueFromContractsWithCustomersTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_InterestMember" abstract="true" name="InterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ServiceChargesOnDepositAccountsMember" abstract="true" name="ServiceChargesOnDepositAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherCommissionsAndFeesMember" abstract="true" name="OtherCommissionsAndFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LeaseEquipmentIncomeMember" abstract="true" name="LeaseEquipmentIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_GainOnSaleOfLoansMember" abstract="true" name="GainOnSaleOfLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_GainOnSaleOfSecuritiesMember" abstract="true" name="GainOnSaleOfSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_NoninterestIncomeMember" abstract="true" name="NoninterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_DividendsAndGainsLossesOnEquityInvestmentsMember" abstract="true" name="DividendsAndGainsLossesOnEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_WarrantyIncomeMember" abstract="true" name="WarrantyIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_LOCOMHeldForSaleAdjustmentMember" abstract="true" name="LOCOMHeldForSaleAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RevenueFromContractsWithCustomersLineItems" abstract="true" name="RevenueFromContractsWithCustomersLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_RevenuePerformanceObligationSatisfiedAtPointInTime" abstract="false" name="RevenuePerformanceObligationSatisfiedAtPointInTime" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ProductandServicesTransferredOverTime" abstract="false" name="ProductandServicesTransferredOverTime" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ContractWithCustomerReceivableReclassifiedtoOtherAssets" abstract="false" name="ContractWithCustomerReceivableReclassifiedtoOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_ContractWithCustomerLiabilitiesReclassifiedtoOtherAssets" abstract="false" name="ContractWithCustomerLiabilitiesReclassifiedtoOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TimeBasedRestrictedStockAwardsMember" abstract="true" name="TimeBasedRestrictedStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward" abstract="true" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_StockbasedCompensationAbstract" abstract="true" name="StockbasedCompensationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="banc_PacWest2017TotalAmendedAndRestatedStockIncentivePlanMember" abstract="true" name="PacWest2017TotalAmendedAndRestatedStockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PacWest2018StockIncentivePlanMember" abstract="true" name="PacWest2018StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PacWest2017StockIncentivePlanMember" abstract="true" name="PacWest2017StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RestrictedStockAwardsAndPerformanceBasedRestrictedStockMember" abstract="true" name="RestrictedStockAwardsAndPerformanceBasedRestrictedStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TRSAMember" abstract="true" name="TRSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_RSUMember" abstract="true" name="RSUMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_VestingBasedOnServiceMember" abstract="true" name="VestingBasedOnServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_ShareBasedPaymentArrangementWeightedAveragePeriodAmortizationExpense" abstract="false" name="ShareBasedPaymentArrangementWeightedAveragePeriodAmortizationExpense" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_Vestingperiodoftimebasedrestrictedstocklowerlimit" abstract="false" name="Vestingperiodoftimebasedrestrictedstocklowerlimit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_Vestingperiodoftimebasedrestrictedstockhigherlimit" abstract="false" name="Vestingperiodoftimebasedrestrictedstockhigherlimit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="banc_CommonSharesSurrendered" abstract="false" name="CommonSharesSurrendered" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_NumberOfSharesSurrenderedRestrictedStock" abstract="false" name="NumberOfSharesSurrenderedRestrictedStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="banc_InvestorWithCommonStockAxis" abstract="true" name="InvestorWithCommonStockAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="banc_InvestorWithCommonStockDomain" abstract="true" name="InvestorWithCommonStockDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockRepurchasePlanMarch172025Member" abstract="true" name="StockRepurchasePlanMarch172025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_StockRepurchasePlanApril232025Member" abstract="true" name="StockRepurchasePlanApril232025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_PreferredStockDepositoryShare" abstract="false" name="PreferredStockDepositoryShare" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_PreferredStockOwnershipInterestPercentage" abstract="false" name="PreferredStockOwnershipInterestPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="banc_BancOfCaliforniaInc.Member" abstract="true" name="BancOfCaliforniaInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_BankOfCaliforniaMember" abstract="true" name="BankOfCaliforniaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="banc_TierOneRiskBasedCommonEquity" abstract="false" name="TierOneRiskBasedCommonEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_TierOneRiskBasedCommonEquityRequiredtobeWellCapitalized" abstract="false" name="TierOneRiskBasedCommonEquityRequiredtobeWellCapitalized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_InterestAndOperatingExpenses" abstract="false" name="InterestAndOperatingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IncomeLossFromContinuingOperationsBeforeIncomeLossFromEquityMethodInvestments" abstract="false" name="IncomeLossFromContinuingOperationsBeforeIncomeLossFromEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="banc_IntraFiMember" abstract="true" name="IntraFiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
