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  <xsd:element name="OfficeRentMember" id="jbgs_OfficeRentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryEquityIncreaseDecreaseToRedemptionValue" id="jbgs_TemporaryEquityIncreaseDecreaseToRedemptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TrusteesMember" id="jbgs_TrusteesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CorporateReconcilingItemsAndEliminationsMember" id="jbgs_CorporateReconcilingItemsAndEliminationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DemolitionCosts" id="jbgs_DemolitionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CompletedPotentialIntegratedTransactionCosts" id="jbgs_CompletedPotentialIntegratedTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherEquityAwardsMember" id="jbgs_OtherEquityAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationOtherMember" id="jbgs_ShareBasedCompensationOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnconsolidatedRealEstateVentureMember" id="jbgs_UnconsolidatedRealEstateVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest" id="jbgs_ComprehensiveNetLossAttributableToRedeemableNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions" id="jbgs_PaymentsToDevelopRealEstateAssetsConstructionInProgressAndRealEstateAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="VariableInterestEntitiesAbstract" id="jbgs_VariableInterestEntitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WestHalfMember" id="jbgs_WestHalfMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="A4747BethesdaAvenueMember" id="jbgs_A4747BethesdaAvenueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TenantRelatedObligations" id="jbgs_TenantRelatedObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TimeBasedRestrictedStockUnitsMember" id="jbgs_TimeBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage" id="jbgs_SharebasedCompensationArrangementBySharebasedPaymentAwardOtherThanOptionsEarnedPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue" id="jbgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan" id="jbgs_StockIssuedDuringPeriodValueEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan" id="jbgs_StockIssuedDuringPeriodSharesEmployeeIncentiveCompensationAndEmployeeStockPurchasePlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QualifiedAffordableHousingProjectInvestmentsRemainingCommitment" id="jbgs_QualifiedAffordableHousingProjectInvestmentsRemainingCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="J.p.MorganGlobalAlternativesMember" id="jbgs_J.p.MorganGlobalAlternativesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AmortizationOfLeaseIncentive" id="jbgs_AmortizationOfLeaseIncentive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentExtensionPeriod" id="jbgs_DebtInstrumentExtensionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AppreciationOnlyLtipUnitsMember" id="jbgs_AppreciationOnlyLtipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPriceOfCommonShareAtConversionOfAwards" id="jbgs_ThresholdPriceOfCommonShareAtConversionOfAwards" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DevelopmentParcelAssetsMember" id="jbgs_DevelopmentParcelAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MortgageLoanMember" id="jbgs_MortgageLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestAndOtherIncomeNetMember" id="jbgs_InterestAndOtherIncomeNetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AppreciationLtipAndPerformanceBasedLtipUnitsMember" id="jbgs_AppreciationLtipAndPerformanceBasedLtipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EquityInvestmentCarriedAtCost" id="jbgs_EquityInvestmentCarriedAtCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SubordinatedOwnershipInterest" id="jbgs_SubordinatedOwnershipInterest" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfOperatingPortfolio" id="jbgs_PercentageOfOperatingPortfolio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CommercialRealEstateOneBuildingMember" id="jbgs_CommercialRealEstateOneBuildingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommercialRealEstateFourBuildingMember" id="jbgs_CommercialRealEstateFourBuildingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TransactionAndOtherCosts" id="jbgs_TransactionAndOtherCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GainLossOnOperatingLeaseAndOtherReceivables" id="jbgs_GainLossOnOperatingLeaseAndOtherReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SecuredOvernightFinancingRate" id="jbgs_SecuredOvernightFinancingRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PropertyRevenue" id="jbgs_PropertyRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SeveranceAndOtherCosts" id="jbgs_SeveranceAndOtherCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PercentageOfOwnershipInterestInAssetsSold" id="jbgs_PercentageOfOwnershipInterestInAssetsSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LineOfCreditFacilityFacilityFeePercentage" id="jbgs_LineOfCreditFacilityFacilityFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MinorityInterestChangeInRedemptionValueAndOtherComprehensiveIncomeLossAllocation" id="jbgs_MinorityInterestChangeInRedemptionValueAndOtherComprehensiveIncomeLossAllocation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TermLoanCreditFacility2023Member" id="jbgs_TermLoanCreditFacility2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TermLoansMember" id="jbgs_TermLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RedemptionOfOperatingPartnershipUnitsForCommonShares" id="jbgs_RedemptionOfOperatingPartnershipUnitsForCommonShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DailySecuredOvernightFinancingRateMember" id="jbgs_DailySecuredOvernightFinancingRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OneMonthTermSecuredOvernightFinancingRateMember" id="jbgs_OneMonthTermSecuredOvernightFinancingRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromDisposalGroup" id="jbgs_ProceedsFromDisposalGroup" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLeaseLeaseIncomeExcludingLeaseTermination" id="jbgs_OperatingLeaseLeaseIncomeExcludingLeaseTermination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FixedSecuredOvernightFinancingRate" id="jbgs_FixedSecuredOvernightFinancingRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LineOfCreditAdditionalBorrowingCapacity" id="jbgs_LineOfCreditAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NetIncomeLossFromUnconsolidatedRealEstateInvestmentAttributableToParent" id="jbgs_NetIncomeLossFromUnconsolidatedRealEstateInvestmentAttributableToParent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NonCashRentAdjustments" id="jbgs_NonCashRentAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdjustmentsToNetOperatingIncomeOther" id="jbgs_AdjustmentsToNetOperatingIncomeOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AdjustmentsToNetOperatingIncomeTotal" id="jbgs_AdjustmentsToNetOperatingIncomeTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NetOperatingIncomeLoss" id="jbgs_NetOperatingIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FeesBasedRealEstateServicesMember" id="jbgs_FeesBasedRealEstateServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReconciliationOfTotalPropertyRevenueExpenseAndRealEstateTaxAxis" id="jbgs_ReconciliationOfTotalPropertyRevenueExpenseAndRealEstateTaxAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReconciliationOfTotalPropertyRevenueExpenseAndRealEstateTaxDomain" id="jbgs_ReconciliationOfTotalPropertyRevenueExpenseAndRealEstateTaxDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdjustmentsAttributableToUnconsolidatedRealEstateVenturesAtOurShare" id="jbgs_AdjustmentsAttributableToUnconsolidatedRealEstateVenturesAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherAdjustmentsTotalPropertyRevenue" id="jbgs_OtherAdjustmentsTotalPropertyRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RealEstateTaxExpenseAtOurShare" id="jbgs_RealEstateTaxExpenseAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherPropertyRevenue" id="jbgs_OtherPropertyRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ThirdPartyRealEstateServicesExpensesExcludingReimbursements" id="jbgs_ThirdPartyRealEstateServicesExpensesExcludingReimbursements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdjustmentsForNetThirdPartyRealEstateServicesOfUnconsolidatedRealEstateVenturesAttributableToParent" id="jbgs_AdjustmentsForNetThirdPartyRealEstateServicesOfUnconsolidatedRealEstateVenturesAttributableToParent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LossContingencyNumberOfSubsidiariesAsPartOfTotalDefendants" id="jbgs_LossContingencyNumberOfSubsidiariesAsPartOfTotalDefendants" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="VestingPercentageIfThresholdPerformanceIsMetMember" id="jbgs_VestingPercentageIfThresholdPerformanceIsMetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VestingPercentageIfTargetPerformanceIsMetMember" id="jbgs_VestingPercentageIfTargetPerformanceIsMetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommonSharesRepurchasedPendingSettlementNotYetPaid" id="jbgs_CommonSharesRepurchasedPendingSettlementNotYetPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherPropertyRevenueAtOurShare" id="jbgs_OtherPropertyRevenueAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CostDirectLaborAtOurShare" id="jbgs_CostDirectLaborAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="UtilitiesOperatingExpenseAtOurShare" id="jbgs_UtilitiesOperatingExpenseAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CostOfPropertyRepairsAndMaintenanceAtOurShare" id="jbgs_CostOfPropertyRepairsAndMaintenanceAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CostOfOtherPropertyOperatingAtOurShare" id="jbgs_CostOfOtherPropertyOperatingAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TotalPropertyExpenseAtOurShare" id="jbgs_TotalPropertyExpenseAtOurShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TysonsDullesPlazaMember" id="jbgs_TysonsDullesPlazaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfOwnershipInterestHeldInRealEstateProperty" id="jbgs_PercentageOfOwnershipInterestHeldInRealEstateProperty" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ReimbursementsRevenueFromThirdParties" id="jbgs_ReimbursementsRevenueFromThirdParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PropertyAndRentalValuesInsuranceCoverageLimit" id="jbgs_PropertyAndRentalValuesInsuranceCoverageLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MultiFamilySegmentsMember" id="jbgs_MultiFamilySegmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LtipAndTimesBasedLtipUnitsMember" id="jbgs_LtipAndTimesBasedLtipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestmentsInUnconsolidatedRealEstatesVenturesMember" id="jbgs_InvestmentsInUnconsolidatedRealEstatesVenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommonSharesIssuedDuringPeriodsInConnectionWithRedemptionOfOpUnits" id="jbgs_CommonSharesIssuedDuringPeriodsInConnectionWithRedemptionOfOpUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueFromContractWithCustomersExcludingReimbursements" id="jbgs_RevenueFromContractWithCustomersExcludingReimbursements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SupervisoryServiceOfPropertiesMember" id="jbgs_SupervisoryServiceOfPropertiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TemporaryEquityRedemptionOfOpUnits" id="jbgs_TemporaryEquityRedemptionOfOpUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RevenueFromContractWithCustomersIncludingReimbursements" id="jbgs_RevenueFromContractWithCustomersIncludingReimbursements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="QualifiedAffordableHousingProjectInvestmentsAdditionalCommitmentAmount" id="jbgs_QualifiedAffordableHousingProjectInvestmentsAdditionalCommitmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RedemptionNoncontrollingInterestsRedemptionValueAdjustment" id="jbgs_RedemptionNoncontrollingInterestsRedemptionValueAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RealEstateVenturePartnerShareOfNoiAttributableToConsolidatedRealEstateVentures" id="jbgs_RealEstateVenturePartnerShareOfNoiAttributableToConsolidatedRealEstateVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockRepurchaseAndRetiredCommonSharesNetOfCommissionsValue" id="jbgs_StockRepurchaseAndRetiredCommonSharesNetOfCommissionsValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RealEstateVenturePartnerShareOfRevenueAttributableToConsolidatedRealEstateVentures" id="jbgs_RealEstateVenturePartnerShareOfRevenueAttributableToConsolidatedRealEstateVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GainLossOnExtinguishmentOfDebtNetTerminationOfInterestRateSwap" id="jbgs_GainLossOnExtinguishmentOfDebtNetTerminationOfInterestRateSwap" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="QualifiedAffordableHousingProjectInvestmentsImpactHousingFund" id="jbgs_QualifiedAffordableHousingProjectInvestmentsImpactHousingFund" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="QualifiedAffordableHousingProjectInvestmentsImpactHousingFundIncludingAccordions" id="jbgs_QualifiedAffordableHousingProjectInvestmentsImpactHousingFundIncludingAccordions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LeoImpactHousingFundMember" id="jbgs_LeoImpactHousingFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JbgLegacyFundsAndWashingtonHousingInitiativeImpactPoolAndLeoImpactHousingFundMember" id="jbgs_JbgLegacyFundsAndWashingtonHousingInitiativeImpactPoolAndLeoImpactHousingFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WashingtonHousingInitiativeImpactPoolAndLeoImpactHousingFundMember" id="jbgs_WashingtonHousingInitiativeImpactPoolAndLeoImpactHousingFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RobertA.StewartMember" id="jbgs_RobertA.StewartMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" id="jbgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CommonStockNoClassMember" id="jbgs_CommonStockNoClassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevelopmentParcelAssetsDisposedOnFebruary112026Member" id="jbgs_DevelopmentParcelAssetsDisposedOnFebruary112026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EmployeeImpersonationFraudLoss" id="jbgs_EmployeeImpersonationFraudLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GroundLeasesPaymentsWithheld" id="jbgs_GroundLeasesPaymentsWithheld" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GroundLeasesFormationTransactionCosts" id="jbgs_GroundLeasesFormationTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SharePricePerformanceLtipUnitsMember" id="jbgs_SharePricePerformanceLtipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdConsecutiveDays" id="jbgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdConsecutiveDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdPrice" id="jbgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdPriceForAwardEarnedForFirst20PercentMember" id="jbgs_ThresholdPriceForAwardEarnedForFirst20PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPriceForAwardEarnedForSecond20PercentMember" id="jbgs_ThresholdPriceForAwardEarnedForSecond20PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPriceForAwardEarnedForThird20PercentMember" id="jbgs_ThresholdPriceForAwardEarnedForThird20PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPriceForAwardEarnedForFourth20PercentMember" id="jbgs_ThresholdPriceForAwardEarnedForFourth20PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPriceForAwardEarnedForFifth20PercentMember" id="jbgs_ThresholdPriceForAwardEarnedForFifth20PercentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardEarningRightsPercentage" id="jbgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardEarningRightsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NetOperatingIncomeBasedLtipUnitsMember" id="jbgs_NetOperatingIncomeBasedLtipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="O2026Q2DividendsMember" id="jbgs_O2026Q2DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
