    <SEC-DOCUMENT>0001213900-20-010946-index.html : 20200505
    <SEC-HEADER>0001213900-20-010946.hdr.sgml : 20200505
    <ACCEPTANCE-DATETIME>20200505061720
    ACCESSION NUMBER:		0001213900-20-010946
    CONFORMED SUBMISSION TYPE:	S-1/A
    PUBLIC DOCUMENT COUNT:		8
    FILED AS OF DATE:		20200505
    DATE AS OF CHANGE:		20200505

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		S-1/A
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237682
    		FILM NUMBER:		20846737

    	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>S-1/A
    <SEQUENCE>1
    <FILENAME>ea121316-s1a1_sgblocksinc.htm
    <DESCRIPTION>AMENDMENT NO.1 TO FORM S-1
    <TEXT>
    Document 1 - file: ea121316-s1a1_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-1.3
    <SEQUENCE>2
    <FILENAME>ea121316ex1-3_sgblocksinc.htm
    <DESCRIPTION>FORM OF UNDERWRITING AGREEMENT
    <TEXT>
    Document 2 - file: ea121316ex1-3_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.14
    <SEQUENCE>3
    <FILENAME>ea121316ex4-14_sgblocksinc.htm
    <DESCRIPTION>FORM OF REPRESENTATIVE'S WARRANT
    <TEXT>
    Document 3 - file: ea121316ex4-14_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>4
    <FILENAME>ea121316ex5-1_sgblocksinc.htm
    <DESCRIPTION>LEGAL OPINION OF GRACIN & MARLOW, LLP
    <TEXT>
    Document 4 - file: ea121316ex5-1_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>5
    <FILENAME>ea121316ex23-1_sgblocksinc.htm
    <DESCRIPTION>CONSENT OF WHITLEY PENN LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    <TEXT>
    Document 5 - file: ea121316ex23-1_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: image_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ex99-1_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: ex99-1_001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>