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<link:definition>015 - Disclosure - Debt Issuance Costs</link:definition>
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<link:definition>024 - Disclosure - Stock Options and Grants</link:definition>
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<link:definition>025 - Disclosure - Commitments</link:definition>
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<link:definition>026 - Disclosure - Related Party Transactions</link:definition>
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<link:definition>028 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
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<link:definition>029 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
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<link:definition>030 - Disclosure - Accounts Receivable (Tables)</link:definition>
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<link:definition>032 - Disclosure - Inventory (Tables)</link:definition>
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<link:definition>033 - Disclosure - Equipment (Tables)</link:definition>
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<link:definition>034 - Disclosure - Debt Issuance Costs (Tables)</link:definition>
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<link:definition>036 - Disclosure - Income Taxes (Tables)</link:definition>
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<link:definition>037 - Disclosure - Construction Backlog (Tables)</link:definition>
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<link:definition>038 - Disclosure - Warrants (Tables)</link:definition>
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<link:definition>039 - Disclosure - Stock Options and Grants (Tables)</link:definition>
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<link:definition>040 - Disclosure - Liquidity and Financial Condition (Details)</link:definition>
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<link:definition>041 - Disclosure - Summary of Significant Accounting Policies (Details)</link:definition>
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<link:definition>042 - Disclosure - Summary of Significant Accounting Policies (Details 1)</link:definition>
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<link:definition>043 - Disclosure - Summary of Significant Accounting Policies (Details Textual)</link:definition>
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<link:definition>044 - Disclosure - Accounts Receivable (Details)</link:definition>
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<link:definition>046 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts (Details 1)</link:definition>
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<link:definition>047 - Disclosure - Inventory (Details)</link:definition>
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<link:definition>048 - Disclosure - Equipment (Details)</link:definition>
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<link:definition>049 - Disclosure - Equipment (Details Textual)</link:definition>
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<link:definition>050 - Disclosure - Debt Issuance Costs (Details)</link:definition>
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<link:definition>051 - Disclosure - Debt Issuance Costs (Details Textual)</link:definition>
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<link:definition>052 - Disclosure - Related Party Notes Payable (Details)</link:definition>
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<link:definition>053 - Disclosure - Convertible Debentures (Details)</link:definition>
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<link:definition>054 - Disclosure - Convertible Debentures (Details 1)</link:definition>
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<link:definition>055 - Disclosure - Convertible Debentures (Details Textual)</link:definition>
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<link:definition>056 - Disclosure - Debtor in Possession Financing (Details Textual)</link:definition>
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<link:definition>057 - Disclosure - Income Taxes (Details)</link:definition>
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<link:definition>058 - Disclosure - Income Taxes (Details 1)</link:definition>
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<link:definition>059 - Disclosure - Income Taxes (Details 2)</link:definition>
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<link:definition>060 - Disclosure - Income Taxes (Details Textual)</link:definition>
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<link:definition>061 - Disclosure - Net Income (Loss) Per Share (Details)</link:definition>
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<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/ConstructionBacklogDetails" id="ConstructionBacklogDetails">
<link:definition>062 - Disclosure - Construction Backlog (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/Stockholdersequitydetails" id="Stockholdersequitydetails">
<link:definition>063 - Disclosure - Stockholders' Equity (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/WarrantsDetails" id="WarrantsDetails">
<link:definition>064 - Disclosure - Warrants (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/WarrantsDetails1" id="WarrantsDetails1">
<link:definition>065 - Disclosure - Warrants (Details 1)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/WarrantsDetailsTextual" id="WarrantsDetailsTextual">
<link:definition>066 - Disclosure - Warrants (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/StockOptionsandGrantsDetails" id="StockOptionsandGrantsDetails">
<link:definition>067 - Disclosure - Stock Options and Grants (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/StockOptionsandGrantsDetails1" id="StockOptionsandGrantsDetails1">
<link:definition>068 - Disclosure - Stock Options and Grants (Details 1)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/StockOptionsandGrantsDetailsTextual" id="StockOptionsandGrantsDetailsTextual">
<link:definition>069 - Disclosure - Stock Options and Grants (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/CommitmentsDetails" id="CommitmentsDetails">
<link:definition>070 - Disclosure - Commitments (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/RelatedPartyTransactionsDetails" id="RelatedPartyTransactionsDetails">
<link:definition>071 - Disclosure - Related Party Transactions (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.sgblocks.com/role/SubsequentEventsDetailsTextual" id="SubsequentEventsDetailsTextual">
<link:definition>072 - Disclosure - Subsequent Events (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:type="simple" xlink:href="sgbx-20151231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="sgbx-20151231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="sgbx-20151231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="sgbx-20151231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
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<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
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<element name="DescriptionOfConversionSharesAndExerciseOfManagementOptionsToExitFacility" id="sgbx_DescriptionOfConversionSharesAndExerciseOfManagementOptionsToExitFacility" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="WarrantLiabilities" id="sgbx_WarrantLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" />
<element name="ChangeInFairValueRelatedToIncreaseInWarrantsIssuedForAntiDilutiveAdjustment" id="sgbx_ChangeInFairValueRelatedToIncreaseInWarrantsIssuedForAntiDilutiveAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" />
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<element name="SummaryOfSignificantAccountingPoliciesLineItems" id="sgbx_SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
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<element name="MaturityDateOfRevolvingCreditPromissoryNoteAfterExtension" id="sgbx_MaturityDateOfRevolvingCreditPromissoryNoteAfterExtension" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
<element name="AmountBorrowedUnderRevolver" id="sgbx_AmountBorrowedUnderRevolver" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" />
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<element name="DeferredTaxAssetsDefaultPenalty" id="sgbx_DeferredTaxAssetsDefaultPenalty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
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<element name="RelatedPartyAccountsPayableAndAccruedExpenses" id="sgbx_RelatedPartyAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" />
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</schema>
