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  <xs:element name="IssuanceOfCommonStockInConnectionWithDebtIssuanceinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockInConnectionWithDebtIssuanceinShares"/>
  <xs:element name="IssuanceOfCommonStockNetOfIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockNetOfIssuanceCosts"/>
  <xs:element name="IssuanceOfCommonStockNetOfIssuanceCostsinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockNetOfIssuanceCostsinShares"/>
  <xs:element name="StockIssuedDuringPeriodValuePreferredToCommonConversion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValuePreferredToCommonConversion"/>
  <xs:element name="PreferredToCommonConversioninShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PreferredToCommonConversioninShares"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuanceOfStockForAccountsPayableSettlement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueIssuanceOfStockForAccountsPayableSettlement"/>
  <xs:element name="IssuanceOfStockForAccountsPayableSettlementinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfStockForAccountsPayableSettlementinShares"/>
  <xs:element name="StockIssuedDuringPeriodValuePrefundedWarrantExercise" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValuePrefundedWarrantExercise"/>
  <xs:element name="StockIssuedDuringPeriodSharePrefundedWarrantExercise" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodSharePrefundedWarrantExercise"/>
  <xs:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockDeemedDividendsForInducement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentsToAdditionalPaidInCapitalCommonStockDeemedDividendsForInducement"/>
  <xs:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockDeemedDividendReductionInConversionRate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentsToAdditionalPaidInCapitalCommonStockDeemedDividendReductionInConversionRate"/>
  <xs:element name="StockIssuedDuringPeriodValueCashlessWarrantExercise" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueCashlessWarrantExercise"/>
  <xs:element name="StockIssuedDuringPeriodSharesCashlessWarrantExercise" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodSharesCashlessWarrantExercise"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuanceOfStockUponInducement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueIssuanceOfStockUponInducement"/>
  <xs:element name="StockIssuedDuringPeriodSharesWarrantInducement" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodSharesWarrantInducement"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsForDebtIssuance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsForDebtIssuance"/>
  <xs:element name="IssuanceOfCommonStockAndWarrantsForDebtIssuance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockAndWarrantsForDebtIssuance"/>
  <xs:element name="IssuanceOfCommonStockUnderEPAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockUnderEPAdjustment"/>
  <xs:element name="IssuanceOfCommonStockUnderEPAdjustmentinShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IssuanceOfCommonStockUnderEPAdjustmentinShares"/>
  <xs:element name="IncomeFromDiscontinuedOperations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IncomeFromDiscontinuedOperations"/>
  <xs:element name="AmortizationOfDeferredLicenseCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AmortizationOfDeferredLicenseCosts"/>
  <xs:element name="ChangeInFairValueOfEquitybasedInvestment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ChangeInFairValueOfEquitybasedInvestment"/>
  <xs:element name="IncreaseDecreaseInProjectDevelopmentAndOtherAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_IncreaseDecreaseInProjectDevelopmentAndOtherAssets"/>
  <xs:element name="CashPaidForBusinessCombinationShermanOil" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CashPaidForBusinessCombinationShermanOil"/>
  <xs:element name="CashPaidForBusinessCombinationCountyLine" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CashPaidForBusinessCombinationCountyLine"/>
  <xs:element name="CashReceivedFromSaleOfEquitybasedInvestment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CashReceivedFromSaleOfEquitybasedInvestment"/>
  <xs:element name="PaymentsForProjectDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PaymentsForProjectDevelopmentCosts"/>
  <xs:element name="ProceedsFromWarrantInducement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ProceedsFromWarrantInducement"/>
  <xs:element name="ProceedsFromIssuanceOfCommonStockForCash" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ProceedsFromIssuanceOfCommonStockForCash"/>
  <xs:element name="NoncashOrPartNoncashCashEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashCashEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashAssetsHeldForSaleEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashAssetsHeldForSaleEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashPrepaidExpensesAndOtherCurrentAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashPrepaidExpensesAndOtherCurrentAssetsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashPropertyAndEquipmentNetEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashPropertyAndEquipmentNetEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashProjectDevelopmentCostsAndOtherAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashProjectDevelopmentCostsAndOtherAssetsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashGoodwillEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashGoodwillEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashIntangibleAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashIntangibleAssetsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashInvestmentsInEquitybasedInvestmentsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashInvestmentsInEquitybasedInvestmentsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashAccountsPayableAndAccruedExpensesEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashAccountsPayableAndAccruedExpensesEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashContingentConsiderationPayableEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashContingentConsiderationPayableEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNoncashShorttermNotesPayableEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNoncashShorttermNotesPayableEffectedInDeconsolidation"/>
  <xs:element name="CashlessWarrantExercise" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CashlessWarrantExercise"/>
  <xs:element name="FractionalCommonShareAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_FractionalCommonShareAdjustment"/>
  <xs:element name="CommonStockDeemedDividendWarrantInducement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockDeemedDividendWarrantInducement"/>
  <xs:element name="CommonStockDeemedDividendConversionRateChange" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockDeemedDividendConversionRateChange"/>
  <xs:element name="ConversionOfShorttermNotesPayableToCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConversionOfShorttermNotesPayableToCommonStock"/>
  <xs:element name="FairValueOfWarrantsIssuedWithDebt" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_FairValueOfWarrantsIssuedWithDebt"/>
  <xs:element name="CommonStockIssuanceForAccountsPayableAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockIssuanceForAccountsPayableAdjustment"/>
  <xs:element name="ForgivenessOfRelatedPartyDebtAndInvestment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ForgivenessOfRelatedPartyDebtAndInvestment"/>
  <xs:element name="CommonStockAndWarrantsIssuedForDebtIssuance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockAndWarrantsIssuedForDebtIssuance"/>
  <xs:element name="CommonStockIssuedForConversionOfAccruedInterestRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockIssuedForConversionOfAccruedInterestRelatedParty"/>
  <xs:element name="CommonStockIssuedForConversionOfPreferredStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockIssuedForConversionOfPreferredStock"/>
  <xs:element name="WarrantToPreferredStockExchange" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantToPreferredStockExchange"/>
  <xs:element name="SeparationAndDistributionTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SeparationAndDistributionTextBlock"/>
  <xs:element name="ConstructionBacklogTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionBacklogTextBlock"/>
  <xs:element name="WarrantsDisclosureTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantsDisclosureTextBlock"/>
  <xs:element name="DeconsolidationTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DeconsolidationTextBlock"/>
  <xs:element name="ShortTermInvestmentPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShortTermInvestmentPolicyTextBlock"/>
  <xs:element name="LimitationOnCapitalizedCostsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_LimitationOnCapitalizedCostsPolicyTextBlock"/>
  <xs:element name="OilAndGasReservesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OilAndGasReservesPolicyTextBlock"/>
  <xs:element name="ProvedReservesPolicyTectBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ProvedReservesPolicyTectBlock"/>
  <xs:element name="ConvertibleInstrumentsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConvertibleInstrumentsPolicyTextBlock"/>
  <xs:element name="CommonStockWarrantsAndDerivativeFinancialInstrumentsPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockWarrantsAndDerivativeFinancialInstrumentsPolicyTextBlock"/>
  <xs:element name="OtherIncomePolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OtherIncomePolicyTextBlock"/>
  <xs:element name="CostsAndEstimatedEarningsAmountsOnUncompletedContractsIncludedInBalanceSheetsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CostsAndEstimatedEarningsAmountsOnUncompletedContractsIncludedInBalanceSheetsTableTextBlock"/>
  <xs:element name="ScheduleOfConstructionBacklogTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ScheduleOfConstructionBacklogTableTextBlock"/>
  <xs:element name="RevenuesRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_RevenuesRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock"/>
  <xs:element name="ScheduleOfWarrantsValuationAssumptionsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ScheduleOfWarrantsValuationAssumptionsTableTextBlock"/>
  <xs:element name="ScheduleOfAssetsAndLiabilitiesAtTheTimeOfDeconsolidationTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ScheduleOfAssetsAndLiabilitiesAtTheTimeOfDeconsolidationTableTextBlock"/>
  <xs:element name="RevenueRemainingPerformanceObligationsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_RevenueRemainingPerformanceObligationsPercentage"/>
  <xs:element name="CostsIncurredOnUncompletedContracts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CostsIncurredOnUncompletedContracts"/>
  <xs:element name="ProvisionForLossOnUncompletedContracts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ProvisionForLossOnUncompletedContracts"/>
  <xs:element name="EstimatedIncomeLossOnUncompletedContracts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_EstimatedIncomeLossOnUncompletedContracts"/>
  <xs:element name="ContractReceivablesRetainage" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ContractReceivablesRetainage"/>
  <xs:element name="CostsInExcessOfBillingsToDate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CostsInExcessOfBillingsToDate"/>
  <xs:element name="NetContractLiabilitiesOnUncompletedContracts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NetContractLiabilitiesOnUncompletedContracts"/>
  <xs:element name="ContractWithCustomerAssetLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ContractWithCustomerAssetLiability"/>
  <xs:element name="ConstructionContractsBacklog" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionContractsBacklog"/>
  <xs:element name="NewContractsReceivedDuringYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NewContractsReceivedDuringYear"/>
  <xs:element name="AdjustmentsAndCancellationsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentsAndCancellationsNet"/>
  <xs:element name="ConstructionBacklogGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionBacklogGross"/>
  <xs:element name="ContractRevenueEarnedDuringThePeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ContractRevenueEarnedDuringThePeriod"/>
  <xs:element name="ConstructionBacklogScheduleofRemainingUnsatisfiedPerformanceObligationonContractsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_ConstructionBacklogScheduleofRemainingUnsatisfiedPerformanceObligationonContractsDetailsTable"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedIntrinsicValue"/>
  <xs:element name="WarrantsScheduleofFairValueofWarrantsGrantedUsingBlackScholesValueModelDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_WarrantsScheduleofFairValueofWarrantsGrantedUsingBlackScholesValueModelDetailsTable"/>
  <xs:element name="ShareBasedCompensationScheduleofStockBasedOptionActivitiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_ShareBasedCompensationScheduleofStockBasedOptionActivitiesDetailsTable"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableInPeriodWeightedAverageGrantDateFairValue"/>
  <xs:element name="ShareBasedCompensationScheduleofRestrictedStockUnitActivitiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_ShareBasedCompensationScheduleofRestrictedStockUnitActivitiesDetailsTable"/>
  <xs:element name="DeconsolidationScheduleofAssetsandLiabilitiesofSGDevCorpattheTimeofDeconsolidationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_DeconsolidationScheduleofAssetsandLiabilitiesofSGDevCorpattheTimeofDeconsolidationDetailsTable"/>
  <xs:element name="NoncashOrPartNonCashTotalCurrentAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNonCashTotalCurrentAssetsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNonCashTotalLongtermAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNonCashTotalLongtermAssetsEffectedInDeconsolidation"/>
  <xs:element name="NoncashOrPartNonCashTotalLiabilitiesEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoncashOrPartNonCashTotalLiabilitiesEffectedInDeconsolidation"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationPayrollAndRelatedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DisposalGroupIncludingDiscontinuedOperationPayrollAndRelatedExpenses"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationMarketingAndBusinessDevelopmentExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DisposalGroupIncludingDiscontinuedOperationMarketingAndBusinessDevelopmentExpenses"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredOilAndGasOnTheBasisOfFullCostAccounting" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredOilAndGasOnTheBasisOfFullCostAccounting"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedReserves" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedReserves"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredInvestmentAndLiabilitiesAssumedNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredInvestmentAndLiabilitiesAssumedNet"/>
  <xs:element name="SeparationandDistributionDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_SeparationandDistributionDetailsTable"/>
  <xs:element name="OwnershipInterestPercentageOfIssuedAndOutstandingShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OwnershipInterestPercentageOfIssuedAndOutstandingShares"/>
  <xs:element name="DistributionDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DistributionDate"/>
  <xs:element name="PercentageOfOutstandingCommonStockUnderDistribution" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfOutstandingCommonStockUnderDistribution"/>
  <xs:element name="SaleOfStockNumberOfSharesToBeDistributedToEachStockholderOfParent" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SaleOfStockNumberOfSharesToBeDistributedToEachStockholderOfParent"/>
  <xs:element name="SharesWithheldPercentageOfIssuedAndOutstandingSecurities" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SharesWithheldPercentageOfIssuedAndOutstandingSecurities"/>
  <xs:element name="FairValueOfDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_FairValueOfDeconsolidation"/>
  <xs:element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WorkingCapital"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="PercentageOfDiscountOnCeilingTest" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfDiscountOnCeilingTest"/>
  <xs:element name="PercentageOfRestorationOfBonusDepreciation" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfRestorationOfBonusDepreciation"/>
  <xs:element name="OilandGasPropertiesandPropertyPlantandEquipmentDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_OilandGasPropertiesandPropertyPlantandEquipmentDetailsTable"/>
  <xs:element name="OilandGasPropertiesandPropertyPlantandEquipmentDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OilandGasPropertiesandPropertyPlantandEquipmentDetailsLineItems"/>
  <xs:element name="AgreementDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AgreementDomainDomain"/>
  <xs:element name="NotesPayableDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_NotesPayableDetailsTable"/>
  <xs:element name="PrincipalAmountOfPromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PrincipalAmountOfPromissoryNote"/>
  <xs:element name="ValueOfRenovationImprovements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ValueOfRenovationImprovements"/>
  <xs:element name="SizeOfManufacturingFacility" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SizeOfManufacturingFacility"/>
  <xs:element name="OutstandingBalanceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OutstandingBalanceAmount"/>
  <xs:element name="ClosingFeePayableToLender" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ClosingFeePayableToLender"/>
  <xs:element name="NumberOfMonthlyPayments" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NumberOfMonthlyPayments"/>
  <xs:element name="DebtInstrumentInterestRateStatedPercentageSubjectToEventOfDefault" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DebtInstrumentInterestRateStatedPercentageSubjectToEventOfDefault"/>
  <xs:element name="DebtInstrumentPercentageOfOutstandingPrincipalAmountSubjectToEventOfDefault" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DebtInstrumentPercentageOfOutstandingPrincipalAmountSubjectToEventOfDefault"/>
  <xs:element name="MinimumPeriodAfterAnniversaryOfDebt" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MinimumPeriodAfterAnniversaryOfDebt"/>
  <xs:element name="DebtInstrumentDiscountRateOfLowestClosingBidPriceOfCommonStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DebtInstrumentDiscountRateOfLowestClosingBidPriceOfCommonStock"/>
  <xs:element name="PercentageOfCommonStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfCommonStock"/>
  <xs:element name="PercentageOfOutstandingNumberOfSharesSubjectToExchangeCap" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfOutstandingNumberOfSharesSubjectToExchangeCap"/>
  <xs:element name="PurchasePriceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PurchasePriceAmount"/>
  <xs:element name="CommonStockPurchaseWarrantExercisableShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockPurchaseWarrantExercisableShares"/>
  <xs:element name="AdjustedCommonShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustedCommonShares"/>
  <xs:element name="DebtInstrumentOriginalIssueDiscountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DebtInstrumentOriginalIssueDiscountPercentage"/>
  <xs:element name="PrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PrincipalAmount"/>
  <xs:element name="DebtInstrumentPenaltyAmountPerDaySubjectToEventOfDefault" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DebtInstrumentPenaltyAmountPerDaySubjectToEventOfDefault"/>
  <xs:element name="AccruedPlacementFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AccruedPlacementFee"/>
  <xs:element name="GuaranteedAndEarned" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_GuaranteedAndEarned"/>
  <xs:element name="ConversionPricePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConversionPricePercentage"/>
  <xs:element name="ExchangeCapPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ExchangeCapPercentage"/>
  <xs:element name="OutstandingBalanceAmounted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OutstandingBalanceAmounted"/>
  <xs:element name="UnpaidPaymentPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_UnpaidPaymentPercentage"/>
  <xs:element name="CommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockPercentage"/>
  <xs:element name="NetIncomeLossPerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_NetIncomeLossPerShareDetailsTable"/>
  <xs:element name="AdditionalSharesOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdditionalSharesOfCommonStock"/>
  <xs:element name="StockSplitStatusDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockSplitStatusDomainDomain"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_StockholdersEquityDetailsTable"/>
  <xs:element name="PrincipalAmountOfNotesPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PrincipalAmountOfNotesPayable"/>
  <xs:element name="CommonStockDeemedDividendsAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommonStockDeemedDividendsAndOtherAdjustments"/>
  <xs:element name="PercentageOfCommonStockIssuedUponExerciseOfExistingWarrants" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfCommonStockIssuedUponExerciseOfExistingWarrants"/>
  <xs:element name="MinimumPeriodForNotToIssueAnySharesOfCommonStockOrCommonStockEquivalentsOrToFileAnyOtherRegistrationStatementWithRegulatorAgency" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MinimumPeriodForNotToIssueAnySharesOfCommonStockOrCommonStockEquivalentsOrToFileAnyOtherRegistrationStatementWithRegulatorAgency"/>
  <xs:element name="MinimumPeriodForNotToEffectOrAgreeToEffectAnyVariableRateTransaction" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MinimumPeriodForNotToEffectOrAgreeToEffectAnyVariableRateTransaction"/>
  <xs:element name="MaximumPeriodForRegistrationStatementFiling" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MaximumPeriodForRegistrationStatementFiling"/>
  <xs:element name="MaximumPeriodForResaleRegistrationStatementDeclaredEffectiveByRegulatorAgency" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MaximumPeriodForResaleRegistrationStatementDeclaredEffectiveByRegulatorAgency"/>
  <xs:element name="MaximumPeriodForEventOfFullReviewForResaleRegistrationStatementDeclaredEffectiveByRegulatorAgency" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MaximumPeriodForEventOfFullReviewForResaleRegistrationStatementDeclaredEffectiveByRegulatorAgency"/>
  <xs:element name="PeriodOfIntervalForHoldMeetingOfShareholdersToSeekStockholderApprovalUntilEarlierOfDateStockholderApprovalIsObtained" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PeriodOfIntervalForHoldMeetingOfShareholdersToSeekStockholderApprovalUntilEarlierOfDateStockholderApprovalIsObtained"/>
  <xs:element name="PercentageOfProceedsFromExerciseOfWarrants" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfProceedsFromExerciseOfWarrants"/>
  <xs:element name="AdjustmentSharesOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentSharesOfCommonStock"/>
  <xs:element name="AdjustmentOfExercisePriceShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentOfExercisePriceShare"/>
  <xs:element name="PercentageOfOutstandingCommonStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfOutstandingCommonStock"/>
  <xs:element name="MinimumPercentageOfVotingInterestsOfCommonStockHeld" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MinimumPercentageOfVotingInterestsOfCommonStockHeld"/>
  <xs:element name="WarrantPricePerUnit" type="srt-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantPricePerUnit"/>
  <xs:element name="AdjustmentOfWarrantPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentOfWarrantPrice"/>
  <xs:element name="AdjustmentOfWarrantExercisePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentOfWarrantExercisePrice"/>
  <xs:element name="CommissionPercentageOfGrossProceeds" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommissionPercentageOfGrossProceeds"/>
  <xs:element name="PercentageOfNonAccountableExpenses" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfNonAccountableExpenses"/>
  <xs:element name="AggregateShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AggregateShares"/>
  <xs:element name="CommitmentAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CommitmentAmount"/>
  <xs:element name="ApplicableClosingDateMultipliedPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ApplicableClosingDateMultipliedPercentage"/>
  <xs:element name="PercentageOfOutstandingSharesLeastAtHolders" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfOutstandingSharesLeastAtHolders"/>
  <xs:element name="AdjustmentOfStockSplit" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AdjustmentOfStockSplit"/>
  <xs:element name="SegmentsandDisaggregatedRevenueDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_SegmentsandDisaggregatedRevenueDetailsTable"/>
  <xs:element name="WarrantsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_WarrantsDetailsTable"/>
  <xs:element name="StockIssuedDuringPeriodValueStockSplits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueStockSplits"/>
  <xs:element name="StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockIssuedDuringPeriodValueWarrantsExercised"/>
  <xs:element name="FloorPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_FloorPricePerShare"/>
  <xs:element name="ShareBasedCompensationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_ShareBasedCompensationDetailsTable"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="PercentageOfOriginalCostOfEquipmentForPurchasePrice" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfOriginalCostOfEquipmentForPurchasePrice"/>
  <xs:element name="OriginalCostOfTheEquipmentPlusApplicableTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OriginalCostOfTheEquipmentPlusApplicableTaxes"/>
  <xs:element name="MonthlyLeaseChargeAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MonthlyLeaseChargeAmount"/>
  <xs:element name="BalanceOwedAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_BalanceOwedAmount"/>
  <xs:element name="PercentageOfBaseSalaryProvidedAsDiscretionaryBonus" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfBaseSalaryProvidedAsDiscretionaryBonus"/>
  <xs:element name="EmploymentInitialTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_EmploymentInitialTerm"/>
  <xs:element name="EffectiveDateOfEmploymentAgreements" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_EffectiveDateOfEmploymentAgreements"/>
  <xs:element name="PercentageOfAnnualPerformanceBonus" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PercentageOfAnnualPerformanceBonus"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="DeconsolidationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_DeconsolidationDetailsTable"/>
  <xs:element name="DerecognitionOfAssetsEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DerecognitionOfAssetsEffectedInDeconsolidation"/>
  <xs:element name="DerecognitionOfNonControllingInterestEffectedInDeconsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DerecognitionOfNonControllingInterestEffectedInDeconsolidation"/>
  <xs:element name="RecordedAmountOfPreviouslyEliminatedInConsolidation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="sgbx_RecordedAmountOfPreviouslyEliminatedInConsolidation"/>
  <xs:element name="BusinessCombinationsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_BusinessCombinationsDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="sgbx_SubsequentEventsDetailsTable"/>
  <xs:element name="AgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="sgbx_AgreementAxis"/>
  <xs:element name="StockSplitStatusAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="sgbx_StockSplitStatusAxis"/>
  <xs:element name="A1800DiagonalLendingLlcMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_A1800DiagonalLendingLlcMember"/>
  <xs:element name="AllocatedOverheadMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AllocatedOverheadMember"/>
  <xs:element name="AmericanExpressTravelRelatedServicesCompanyIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AmericanExpressTravelRelatedServicesCompanyIncMember"/>
  <xs:element name="AprilPrivatePlacementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AprilPrivatePlacementMember"/>
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  <xs:element name="AuthorityLoanAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AuthorityLoanAgreementMember"/>
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  <xs:element name="ChoctawLitigationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ChoctawLitigationMember"/>
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  <xs:element name="ConstructionMaterialsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionMaterialsMember"/>
  <xs:element name="ConstructionServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionServicesMember"/>
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  <xs:element name="CountyLineMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CountyLineMember"/>
  <xs:element name="CpfGp20191LlcMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CpfGp20191LlcMember"/>
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  <xs:element name="CycleAIMIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_CycleAIMIncMember"/>
  <xs:element name="DBoralCapitalLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DBoralCapitalLLCMember"/>
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  <xs:element name="HotelHospitalityOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_HotelHospitalityOneMember"/>
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  <xs:element name="MayTwoThousandTwentyFourPrivatePlacementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MayTwoThousandTwentyFourPrivatePlacementMember"/>
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  <xs:element name="MrMcLarenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_MrMcLarenMember"/>
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  <xs:element name="NoteBNotePayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoteBNotePayableMember"/>
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  <xs:element name="NoteENotePayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoteENotePayableMember"/>
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  <xs:element name="NoteKNotePayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_NoteKNotePayableMember"/>
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  <xs:element name="OilsAndGasMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OilsAndGasMember"/>
  <xs:element name="OneEightZeroZeroDiagonalNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_OneEightZeroZeroDiagonalNoteMember"/>
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  <xs:element name="PawnFundingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PawnFundingMember"/>
  <xs:element name="PayrollAndRelatedExpensesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PayrollAndRelatedExpensesMember"/>
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  <xs:element name="ProsperityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ProsperityMember"/>
  <xs:element name="PurchasePriceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_PurchasePriceMember"/>
  <xs:element name="ReverseStockSplitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ReverseStockSplitMember"/>
  <xs:element name="SGDevCorpMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SGDevCorpMember"/>
  <xs:element name="SaddlebackRoofingIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SaddlebackRoofingIncMember"/>
  <xs:element name="SecondAssetPurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SecondAssetPurchaseAgreementMember"/>
  <xs:element name="SecuritiesPurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SecuritiesPurchaseAgreementMember"/>
  <xs:element name="SeptemberStockSplitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SeptemberStockSplitMember"/>
  <xs:element name="SeriesAWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SeriesAWarrantMember"/>
  <xs:element name="SeriesBWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SeriesBWarrantMember"/>
  <xs:element name="SgBuildingBlocksIncAndSgEchoLlcMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SgBuildingBlocksIncAndSgEchoLlcMember"/>
  <xs:element name="SgBuildingBlocksIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SgBuildingBlocksIncMember"/>
  <xs:element name="SgDevelopmentCorpMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SgDevelopmentCorpMember"/>
  <xs:element name="SgEchoLlcMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SgEchoLlcMember"/>
  <xs:element name="SgbDevelopmentCorpMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SgbDevelopmentCorpMember"/>
  <xs:element name="ShermanOilCompanyLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ShermanOilCompanyLLCMember"/>
  <xs:element name="StockSplitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_StockSplitMember"/>
  <xs:element name="SubscriptionRevenueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SubscriptionRevenueMember"/>
  <xs:element name="TwoThousandSixteenPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_TwoThousandSixteenPlanMember"/>
  <xs:element name="TysadcoPartnersLlcMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_TysadcoPartnersLlcMember"/>
  <xs:element name="TyscadoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_TyscadoMember"/>
  <xs:element name="WarrantInducementAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantInducementAgreementMember"/>
  <xs:element name="WarrantOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantOneMember"/>
  <xs:element name="WarrantThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantThreeMember"/>
  <xs:element name="WarrantTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WarrantTwoMember"/>
  <xs:element name="WinchesterLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WinchesterLLCMember"/>
  <xs:element name="WithinOneYearMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_WithinOneYearMember"/>
  <xs:element name="AssetsAndLiabilitiesEffectedInDeconsolidationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_AssetsAndLiabilitiesEffectedInDeconsolidationAbstract"/>
  <xs:element name="ConstructionBacklogAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ConstructionBacklogAbstract"/>
  <xs:element name="ScheduleOfBacklogOfSignedConstructionAndEngineeringContractsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_ScheduleOfBacklogOfSignedConstructionAndEngineeringContractsAbstract"/>
  <xs:element name="SeparationAndDistributionOfBusinessAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_SeparationAndDistributionOfBusinessAbstract"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="sgbx_DocumentAndEntityInformationAbstract"/>
</xs:schema>
