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  <xs:element id="bxp_WeightedAverageNumberOfSharesOutstandingAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasicinshares" abstract="false" name="WeightedAverageNumberOfSharesOutstandingAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasicinshares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_TwoPointNineEightFourPercentUnsecuredSeniorNotesMember" abstract="true" name="TwoPointNineEightFourPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_OpUnitEquivalenceToCommonStock" abstract="false" name="OpUnitEquivalenceToCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_SummaryOfSignificantAccountingPoliciesTable" abstract="true" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxp_DebtInstrumentAlternateBasisSpreadOnVariableRate" abstract="false" name="DebtInstrumentAlternateBasisSpreadOnVariableRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_PercentageofCompanysShareofNetOperatingIncome" abstract="false" name="PercentageofCompanysShareofNetOperatingIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_FiveZeroZeroNorthCapitolLlcMember" abstract="true" name="FiveZeroZeroNorthCapitolLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_SanFranciscoMember" abstract="true" name="SanFranciscoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TransferOfTenantImprovementsRealEstate" abstract="false" name="TransferOfTenantImprovementsRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_A2023UnsecuredTermLoanMember" abstract="true" name="A2023UnsecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PaymentTypeAxis" abstract="true" name="PaymentTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="bxp_LowRisePropertyMember" abstract="true" name="LowRisePropertyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_Accruedrentalincomenetdeconsolidated" abstract="false" name="Accruedrentalincomenetdeconsolidated" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_NetPresentValueAndOperatingLeaseLiability" abstract="false" name="NetPresentValueAndOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_ExcessStockValue" abstract="false" name="ExcessStockValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_MYLTIPTwoThousandTwentyOneMember" abstract="true" name="MYLTIPTwoThousandTwentyOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_RentalRevenueResidential" abstract="false" name="RentalRevenueResidential" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_GatewayCommonsComplexMember" abstract="true" name="GatewayCommonsComplexMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_EquityOfferingCostsPolicyPolicyTextBlock" abstract="false" name="EquityOfferingCostsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bxp_RentalRevenueTotal" abstract="false" name="RentalRevenueTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_MYLTIPtwothousandseventeenMember" abstract="true" name="MYLTIPtwothousandseventeenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TowerPropertyMember" abstract="true" name="TowerPropertyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_SevenSevenFiveZeroWisconsinAvenueMember" abstract="true" name="SevenSevenFiveZeroWisconsinAvenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_BaseRentalPaymentMember" abstract="true" name="BaseRentalPaymentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_PercentageOfTotalRevenue" abstract="false" name="PercentageOfTotalRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_LineOfCreditFacilityInterestRateReduction" abstract="false" name="LineOfCreditFacilityInterestRateReduction" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_NoncontrollingInterestRedeemablePartnershipUnitsCommonUnitsSharesOutstanding" abstract="false" name="NoncontrollingInterestRedeemablePartnershipUnitsCommonUnitsSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_ShadyGroveInnovationDistrictMember" abstract="true" name="ShadyGroveInnovationDistrictMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_A2021CreditFacilityAnd2023UnsecuredTermLoanMember" abstract="true" name="A2021CreditFacilityAnd2023UnsecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TheSkylyneMember" abstract="true" name="TheSkylyneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_UnsecuredDebtLeverageRatioMaximum" abstract="false" name="UnsecuredDebtLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_AnnualAggregateLimitOfEarthquakeInsuranceSeattle" abstract="false" name="AnnualAggregateLimitOfEarthquakeInsuranceSeattle" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_RedeemableCommonUnits" abstract="false" name="RedeemableCommonUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_SevenSixZeroBoylstonStreetMember" abstract="true" name="SevenSixZeroBoylstonStreetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_OperatingPartnershipGuaranteeToCoverLiabilitiesOfSubsidiary" abstract="false" name="OperatingPartnershipGuaranteeToCoverLiabilitiesOfSubsidiary" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_ExtensionOptionInMonths" abstract="false" name="ExtensionOptionInMonths" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_UnencumberedAssetValueMinimum" abstract="false" name="UnencumberedAssetValueMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_CompanysShareMember" abstract="true" name="CompanysShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_EmployeeAndDirectorPaymentPerShare" abstract="false" name="EmployeeAndDirectorPaymentPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_NumberOfBusinessDaysAverageClosingPrice" abstract="false" name="NumberOfBusinessDaysAverageClosingPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_LTIPUnitsMember" abstract="true" name="LTIPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_HubOnCausewayHotelAirRightsMember" abstract="true" name="HubOnCausewayHotelAirRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_Paymentsonrealestatetransaction" abstract="false" name="Paymentsonrealestatetransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_REITDistributionRequirement" abstract="false" name="REITDistributionRequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_LesseeFinanceLeasePurchaseOptionFrequencyInYears" abstract="false" name="LesseeFinanceLeasePurchaseOptionFrequencyInYears" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxp_RightOfUseAssetFinanceLeaseDeconsolidated" abstract="false" name="RightOfUseAssetFinanceLeaseDeconsolidated" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_A360ParkSouthAvenueMember" abstract="true" name="A360ParkSouthAvenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TotalOfficePropertiesMember" abstract="true" name="TotalOfficePropertiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_BelowMarketLeaseMember" abstract="true" name="BelowMarketLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_UnvestedMYLTIPUnitsMember" abstract="true" name="UnvestedMYLTIPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PerOccurrenceLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles" abstract="false" name="PerOccurrenceLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_OpUnitsMember" abstract="true" name="OpUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_OneZeroZeroClarendonStreetAirRightsMember" abstract="true" name="OneZeroZeroClarendonStreetAirRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_ContractualSalesPrice" abstract="false" name="ContractualSalesPrice" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_CommonStockWeightedAveragePrice" abstract="false" name="CommonStockWeightedAveragePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_CapitlizationRate" abstract="false" name="CapitlizationRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxp_SixFiveOneGatewayMember" abstract="true" name="SixFiveOneGatewayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_CoverageForActsOfTerrorismUnderTriaCoveredInExcessOfAmountCoveredByIxp" abstract="false" name="CoverageForActsOfTerrorismUnderTriaCoveredInExcessOfAmountCoveredByIxp" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_Programtriggerdeductible" abstract="false" name="Programtriggerdeductible" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_ThreeTwoFiveMainStreetThreeFiveFiveMainStreetNinetyBroadwayAndKendallCenterGreenGaragePropertiesMember" abstract="true" name="ThreeTwoFiveMainStreetThreeFiveFiveMainStreetNinetyBroadwayAndKendallCenterGreenGaragePropertiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_TwothousandeighteenMYLTIPMember" abstract="true" name="TwothousandeighteenMYLTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_CommercialPaperMaximumBorrowingCapacity" abstract="false" name="CommercialPaperMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_SeattleMember" abstract="true" name="SeattleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PercentageOfTotalRentalExpenses" abstract="false" name="PercentageOfTotalRentalExpenses" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_AdditionalRentalPaymentMember" abstract="true" name="AdditionalRentalPaymentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_Numberofextensions" abstract="false" name="Numberofextensions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_GroundLeaseMember" abstract="true" name="GroundLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_ValueOfMyltipAwards" abstract="false" name="ValueOfMyltipAwards" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare" abstract="false" name="WeightedAverageNumberDilutedSharesOutstandingAdjustmentpershare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_TreasuryStockPolicyTextBlock" abstract="false" name="TreasuryStockPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bxp_InvestmentInUnconsolidatedJointVentureMeasurementInput" abstract="false" name="InvestmentInUnconsolidatedJointVentureMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxp_MYLTIPTwoThousandTwentyTwoMember" abstract="true" name="MYLTIPTwoThousandTwentyTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ThreeHudsonBoulevardMember" abstract="true" name="ThreeHudsonBoulevardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ConstructionInProgressNetDeconsolidated" abstract="false" name="ConstructionInProgressNetDeconsolidated" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_AdjustedTermSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" abstract="true" name="AdjustedTermSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ConversionsOfNoncontrollingInterestsToStockholdersEquity" abstract="false" name="ConversionsOfNoncontrollingInterestsToStockholdersEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_TwoZeroZeroFifthAvenueJVLLCMember" abstract="true" name="TwoZeroZeroFifthAvenueJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_RentalRevenueClassOffice" abstract="false" name="RentalRevenueClassOffice" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_Rightofuseassetsfinanceleases" abstract="false" name="Rightofuseassetsfinanceleases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_NetIncomeLossAvailableToCommonStockholdersAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasic" abstract="false" name="NetIncomeLossAvailableToCommonStockholdersAfterAllocationofUndistributedEarningstoParticipatingSecuritiesBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_DifferenceBetweenProceedsFromSaleAndNoncontrollingInterest" abstract="false" name="DifferenceBetweenProceedsFromSaleAndNoncontrollingInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_LongTermDebtRenewalTerm" abstract="false" name="LongTermDebtRenewalTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bxp_A751GatewayHoldingsLLCMember" abstract="true" name="A751GatewayHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PercentOfCarryingValueOfRealEstateGross" abstract="false" name="PercentOfCarryingValueOfRealEstateGross" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxp_ProgramTriggerValue" abstract="false" name="ProgramTriggerValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_SafecoPlazaREITLLCMember" abstract="true" name="SafecoPlazaREITLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_MortgageNotesPayableDeconsolidated" abstract="false" name="MortgageNotesPayableDeconsolidated" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_TemporaryEquityCarryingAmountRedeemableInterestInPropertyPartnerships" abstract="false" name="TemporaryEquityCarryingAmountRedeemableInterestInPropertyPartnerships" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_CashFDICInsuredLimit" abstract="false" name="CashFDICInsuredLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_WpProjectDeveloperLlcMember" abstract="true" name="WpProjectDeveloperLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_IncomeStatementBasisDifferential" abstract="false" name="IncomeStatementBasisDifferential" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_RestrictionOnRedemption" abstract="false" name="RestrictionOnRedemption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_ThreePointFourNineFivePercentUnsecuredSeniorNotesMember" abstract="true" name="ThreePointFourNineFivePercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ValueOfLtipUnitsIssued" abstract="false" name="ValueOfLtipUnitsIssued" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_AboveAndBelowMarketRentAdjustments" abstract="false" name="AboveAndBelowMarketRentAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_UnconsolidatedJointVenturesMember" abstract="true" name="UnconsolidatedJointVenturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare" abstract="false" name="EarningsPerShareAfterAllocationOfUndistributedEarningsToParticipatingSecuritiesBasicDollarsPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_MYLTIPTwoThousandTwentyMember" abstract="true" name="MYLTIPTwoThousandTwentyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_LtipsincludingvestedMYLTIPSAndRestrictedStockMember" abstract="true" name="LtipsincludingvestedMYLTIPSAndRestrictedStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ScheduleOfStatementsOfOperationsOfUnconsolidatedJointVenturesTextBock" abstract="false" name="ScheduleOfStatementsOfOperationsOfUnconsolidatedJointVenturesTextBock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bxp_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTenantImprovements" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTenantImprovements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_OneTwoOneBroadwayMember" abstract="true" name="OneTwoOneBroadwayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_TwothousandtwentyMYLTIPSMemberMember" abstract="true" name="TwothousandtwentyMYLTIPSMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PerOccurrenceLimitForNbcrCoverage" abstract="false" name="PerOccurrenceLimitForNbcrCoverage" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySeattle" abstract="false" name="EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySeattle" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_DerecognitionOfAssetsInExchangeForSalesTypeLeaseObligation" abstract="false" name="DerecognitionOfAssetsInExchangeForSalesTypeLeaseObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_SumOfCoverageCoveredByIXPAndExcessCoverageForPropertyAndTerrorism" abstract="false" name="SumOfCoverageCoveredByIXPAndExcessCoverageForPropertyAndTerrorism" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_InterestRateSwapsRecordedUponConsolidation" abstract="false" name="InterestRateSwapsRecordedUponConsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_ConstructionInProgressFromPrepaidExpensesAndOtherAssets" abstract="false" name="ConstructionInProgressFromPrepaidExpensesAndOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_SalesTypeLeaseOrigination" abstract="false" name="SalesTypeLeaseOrigination" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_MYLTIPTwoThousandTwentyFourMember" abstract="true" name="MYLTIPTwoThousandTwentyFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_NumberOfAdditionalTermLoans" abstract="false" name="NumberOfAdditionalTermLoans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_NumberofVIEs" abstract="false" name="NumberofVIEs" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bxp_PodiumDeveloperLLCMember" abstract="true" name="PodiumDeveloperLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_LesseeFinanceLeasePaymentIncreaseDecreaseFrequencyInYears" abstract="false" name="LesseeFinanceLeasePaymentIncreaseDecreaseFrequencyInYears" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxp_PerOccurrenceLimitOfEarthquakeInsuranceSeattle" abstract="false" name="PerOccurrenceLimitOfEarthquakeInsuranceSeattle" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_SafecoPartnerEntityOneMember" abstract="true" name="SafecoPartnerEntityOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_MarginBasedOnBorrowersCreditRatingMember" abstract="true" name="MarginBasedOnBorrowersCreditRatingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_AmountOfEarthquakeInsuranceProvidedByIXPLLCAsDirectInsurerSanFranciscoandLosAngeles" abstract="false" name="AmountOfEarthquakeInsuranceProvidedByIXPLLCAsDirectInsurerSanFranciscoandLosAngeles" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_Finalawardspercentageoftarget" abstract="false" name="Finalawardspercentageoftarget" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_FinanceLeaseLiabilityReversalFromReAssessment" abstract="false" name="FinanceLeaseLiabilityReversalFromReAssessment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_LetterOfCreditAndPerformanceObligation" abstract="false" name="LetterOfCreditAndPerformanceObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_EnvironmentalFocusedInvestmentFundMember" abstract="true" name="EnvironmentalFocusedInvestmentFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_StockOptionAndIncentivePlanAndStockRepurchasePlanDomain" abstract="true" name="StockOptionAndIncentivePlanAndStockRepurchasePlanDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_Leaseliabilityfinanceleasedeconsolidation" abstract="false" name="Leaseliabilityfinanceleasedeconsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_ThreeSixZeroPASHoldcoLLCMember" abstract="true" name="ThreeSixZeroPASHoldcoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_DepositorySharesOfSeriesBCumulativeRedeemablePreferredMember" abstract="true" name="DepositorySharesOfSeriesBCumulativeRedeemablePreferredMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_NumberOfFloors" abstract="false" name="NumberOfFloors" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_OpUnitConversionRate" abstract="false" name="OpUnitConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_NoncontrollinginterestpropertypartnershipsMember" abstract="true" name="NoncontrollinginterestpropertypartnershipsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TwoPointFiveTwoFourPercentUnsecuredSeniorNotesMember" abstract="true" name="TwoPointFiveTwoFourPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_OpUnitsAndLTIPUnitsMember" abstract="true" name="OpUnitsAndLTIPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_Numberofbuildings" abstract="false" name="Numberofbuildings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_AtMarketStockOfferingProgramMaximumLengthOfSaleinyears" abstract="false" name="AtMarketStockOfferingProgramMaximumLengthOfSaleinyears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_ThreePointNineOneSixPercentUnsecuredSeniorNotesMember" abstract="true" name="ThreePointNineOneSixPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ThreeZeroZeroBinneyStreetMember" abstract="true" name="ThreeZeroZeroBinneyStreetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ResidentialTowerDeveloperLLCMember" abstract="true" name="ResidentialTowerDeveloperLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_CapitalizedOperatingLeaseCosts" abstract="false" name="CapitalizedOperatingLeaseCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_A2012OPPAnd20132021MYLTIPMember" abstract="true" name="A2012OPPAnd20132021MYLTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_OneTwoSixFiveMainOfficeJVLLCMember" abstract="true" name="OneTwoSixFiveMainOfficeJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PrepaidExpensesAndOtherAssetsNetDeconsolidated" abstract="false" name="PrepaidExpensesAndOtherAssetsNetDeconsolidated" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_UnvestedMYLTIPDistributionsAsComparedToTotalDistributionsPercentage" abstract="false" name="UnvestedMYLTIPDistributionsAsComparedToTotalDistributionsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_GainOnUnconsolidatedJointVentureInvestment" abstract="false" name="GainOnUnconsolidatedJointVentureInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxp_FourPointSixTwoEightPercentUnsecuredSeniorNotesMember" abstract="true" name="FourPointSixTwoEightPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors" abstract="false" name="IssuanceOfRestrictedSecuritiesToEmployeesAndDirectors" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_MYLTIPTwoThousandEighteenMember" abstract="true" name="MYLTIPTwoThousandEighteenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_BNYTowerHoldingsLLCMember" abstract="true" name="BNYTowerHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_CoverageForActsOfTerrorismUnderTRIACoveredInExcessOfAmountCoveredByIXPPropertyAndTerrorism" abstract="false" name="CoverageForActsOfTerrorismUnderTRIACoveredInExcessOfAmountCoveredByIXPPropertyAndTerrorism" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_LineOfCreditBorrowingCapacityIncreaseDecrease" abstract="false" name="LineOfCreditBorrowingCapacityIncreaseDecrease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_NumberOfParkingSpace" abstract="false" name="NumberOfParkingSpace" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_ScheduleOfNoncontrollingInterestTableTextBlock" abstract="false" name="ScheduleOfNoncontrollingInterestTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="bxp_NameOfJointVentureProperty" abstract="false" name="NameOfJointVentureProperty" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxp_LineOfCreditFacilityMaximumPercentForLoanAdvances" abstract="false" name="LineOfCreditFacilityMaximumPercentForLoanAdvances" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_RentalExpensesClassOffice" abstract="false" name="RentalExpensesClassOffice" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_MetropolitanSquareMember" abstract="true" name="MetropolitanSquareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_OfficeTowerDeveloperLLCMember" abstract="true" name="OfficeTowerDeveloperLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_TwoPointSixSevenOnePercentUnsecuredSeniorNotesMember" abstract="true" name="TwoPointSixSevenOnePercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_FinanceLeaseRightOfUseAssetReversalFromReAssessment" abstract="false" name="FinanceLeaseRightOfUseAssetReversalFromReAssessment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_DockSevenTwoMember" abstract="true" name="DockSevenTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_CompanysShareOfNetIncomeLoss" abstract="false" name="CompanysShareOfNetIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_AnnapolisJunctionNfmLlcMember" abstract="true" name="AnnapolisJunctionNfmLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ConsolidatedEntitiesOwnershipPercentage" abstract="false" name="ConsolidatedEntitiesOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxp_ThreePointSevenSixSixPercentUnsecuredSeniorNotesMember" abstract="true" name="ThreePointSevenSixSixPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualInstallmentsForVesting" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAnnualInstallmentsForVesting" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_PlatformSixteenMember" abstract="true" name="PlatformSixteenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_MYLTIPtwothousandnineteenMember" abstract="true" name="MYLTIPtwothousandnineteenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_AccountsReceivableCollectionPeriodExpected" abstract="false" name="AccountsReceivableCollectionPeriodExpected" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxp_Writeoffoffullydepreciatedrealestate" abstract="false" name="Writeoffoffullydepreciatedrealestate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_RentalExpensesResidential" abstract="false" name="RentalExpensesResidential" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_LesseeOperatingLeasePaymentIncreaseDecreasePercentage" abstract="false" name="LesseeOperatingLeasePaymentIncreaseDecreasePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bxp_OutperformanceAwardsLongTermIncentivePlanUnitsDistributionAsPercentageOfOpUnitDistributionPriorToMeasurementDate" abstract="false" name="OutperformanceAwardsLongTermIncentivePlanUnitsDistributionAsPercentageOfOpUnitDistributionPriorToMeasurementDate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySanFranciscoandLosAngeles" abstract="false" name="EarthquakeDeductibleInsurancePercentageOfValueOfTheAffectedPropertySanFranciscoandLosAngeles" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_PaymentTypeDomain" abstract="true" name="PaymentTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_SquareFourZeroSevenLimitedPartnershipMember" abstract="true" name="SquareFourZeroSevenLimitedPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PercentageOfTotalNetOperatingIncome" abstract="false" name="PercentageOfTotalNetOperatingIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_LeverageRatioMaximum" abstract="false" name="LeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_BpCrfNineZeroOneNewYorkAvenueLlceconomicpercentageMemberMember" abstract="true" name="BpCrfNineZeroOneNewYorkAvenueLlceconomicpercentageMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_SixPointSixOneNinePercentMember" abstract="true" name="SixPointSixOneNinePercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_UnsecuredDebtInterestCoverageRatio" abstract="false" name="UnsecuredDebtInterestCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="bxp_MYLTIPtwothousandfifteenMember" abstract="true" name="MYLTIPtwothousandfifteenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_HotelTowerDeveloperLLCMember" abstract="true" name="HotelTowerDeveloperLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_RedemptionOfOPUnitsIssuedOnConversionOfLTIPandMYLTIPUnits" abstract="false" name="RedemptionOfOPUnitsIssuedOnConversionOfLTIPandMYLTIPUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_LoansAndLeasesReceivableLoansInProcessAmountPercentage" abstract="false" name="LoansAndLeasesReceivableLoansInProcessAmountPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bxp_SeparateUnrestrictedCashForDeferredCompensationPlan" abstract="false" name="SeparateUnrestrictedCashForDeferredCompensationPlan" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_EntityOwningLandAndInfrastructureOfProjectMember" abstract="true" name="EntityOwningLandAndInfrastructureOfProjectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_BasisDifferentialMember" abstract="true" name="BasisDifferentialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_OneHundredCausewayStreetMember" abstract="true" name="OneHundredCausewayStreetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_Leasedpercentage" abstract="false" name="Leasedpercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="bxp_FutureConstructionMember" abstract="true" name="FutureConstructionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_SevenSixSevenVentureLlcMember" abstract="true" name="SevenSixSevenVentureLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PreferredStockRedemptionPricePerSharePlusAccruedAndUnpaidDividends" abstract="false" name="PreferredStockRedemptionPricePerSharePlusAccruedAndUnpaidDividends" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_Allocationofundistributedearningstoparticipatingsecuritiespershares" abstract="false" name="Allocationofundistributedearningstoparticipatingsecuritiespershares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="bxp_RealEstateInvestmentPropertyAtCostIncludingRightofUseAssets" abstract="false" name="RealEstateInvestmentPropertyAtCostIncludingRightofUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_StockholdersEquityPartnerCapitalAbstract" abstract="true" name="StockholdersEquityPartnerCapitalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxp_CAColoradoCenterLLCMember" abstract="true" name="CAColoradoCenterLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_NineZeroOneNewYorkAvenueMember" abstract="true" name="NineZeroOneNewYorkAvenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_ScheduleOfBalanceSheetsOfUnconsolidatedJointVenturesTextBlock" abstract="false" name="ScheduleOfBalanceSheetsOfUnconsolidatedJointVenturesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bxp_PlatformSixteenThreeSixZeroParkAvenueSouthTwoZeroZeroFifthAvenueAndSafecoPlazaMember" abstract="true" name="PlatformSixteenThreeSixZeroParkAvenueSouthTwoZeroZeroFifthAvenueAndSafecoPlazaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxp_ThreePointThreeFiveZeroPercentUnsecuredSeniorNotesMember" abstract="true" name="ThreePointThreeFiveZeroPercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_PRIIBXPRestonGatewayLLCMember" abstract="true" name="PRIIBXPRestonGatewayLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_NonRealEstateInvestmentsPolicyTextBlock" abstract="false" name="NonRealEstateInvestmentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="bxp_CommitmentsAndContingenciesDisclosureTable" abstract="true" name="CommitmentsAndContingenciesDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="bxp_ABXPWorldgateInvestmentsLLCMember" abstract="true" name="ABXPWorldgateInvestmentsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_U.S.TreasuryBillTermOfContract" abstract="false" name="U.S.TreasuryBillTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="bxp_BpCrfNineZeroOneNewYorkAvenueLlcMember" abstract="true" name="BpCrfNineZeroOneNewYorkAvenueLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_LosAngelesMember" abstract="true" name="LosAngelesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_RestrictionOnRedemptionOfOpUnitsFromDateOfIssuanceInYears" abstract="false" name="RestrictionOnRedemptionOfOpUnitsFromDateOfIssuanceInYears" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType"/>
  <xs:element id="bxp_MYLTIPMember" abstract="true" name="MYLTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_NetOperatingIncome" abstract="false" name="NetOperatingIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_InvestmentInUnconsolidatedJointVenturesEliminatedUponConsolidation" abstract="false" name="InvestmentInUnconsolidatedJointVenturesEliminatedUponConsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_NetIncomeAllocableToGeneralAndLimitedPartnerUnits" abstract="false" name="NetIncomeAllocableToGeneralAndLimitedPartnerUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_RosecransSepulvedaPartnersFourLLCMember" abstract="true" name="RosecransSepulvedaPartnersFourLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_ThreePointFiveZeroFivePercentUnsecuredSeniorNotesMember" abstract="true" name="ThreePointFiveZeroFivePercentUnsecuredSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_InsurancePolicyLimit" abstract="false" name="InsurancePolicyLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_BostonPropertiesLimitedParntershipMember" abstract="true" name="BostonPropertiesLimitedParntershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxp_AnnualAggregateLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles" abstract="false" name="AnnualAggregateLimitOfEarthQuakeInsuranceSanFranciscoandLosAngeles" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_NoncontrollingInterestRedeemablePartnershipUnitsCommonUnitsLongTermIncentiveUnitsAtRedemptionValueSharesOutstanding" abstract="false" name="NoncontrollingInterestRedeemablePartnershipUnitsCommonUnitsLongTermIncentiveUnitsAtRedemptionValueSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="bxp_EquityProfitLoss" abstract="false" name="EquityProfitLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesnet" abstract="false" name="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesnet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxp_DerivativeAllInInterestRate" abstract="false" name="DerivativeAllInInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxp_ExtensionOptioninyears" abstract="false" name="ExtensionOptioninyears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
