<SEC-DOCUMENT>0001213900-21-035615.txt : 20210702
<SEC-HEADER>0001213900-21-035615.hdr.sgml : 20210702
<ACCEPTANCE-DATETIME>20210702170550
ACCESSION NUMBER:		0001213900-21-035615
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210528
FILED AS OF DATE:		20210702
DATE AS OF CHANGE:		20210702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Safina Joseph
		CENTRAL INDEX KEY:			0001320353

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38037
		FILM NUMBER:		211071302

	MAIL ADDRESS:	
		STREET 1:		1320 SEMINOLE DRIVE
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33304

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SG BLOCKS, INC.
		CENTRAL INDEX KEY:			0001023994
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
		IRS NUMBER:				954463937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		195 MONTAGUE STREET, 14TH FLOOR
		CITY:			BROOKLYN
		STATE:			NY
		ZIP:			11201
		BUSINESS PHONE:		(646) 240-4235

	MAIL ADDRESS:	
		STREET 1:		195 MONTAGUE STREET, 14TH FLOOR
		CITY:			BROOKLYN
		STATE:			NY
		ZIP:			11201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDSI HOLDINGS INC
		DATE OF NAME CHANGE:	19990114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PC411 INC
		DATE OF NAME CHANGE:	19961001
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-05-28</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001023994</issuerCik>
        <issuerName>SG BLOCKS, INC.</issuerName>
        <issuerTradingSymbol>SGBX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001320353</rptOwnerCik>
            <rptOwnerName>Safina Joseph</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SG BLOCKS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>17 STATE STREET, 19TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK,</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Joseph Safina</signatureName>
        <signatureDate>2021-07-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
