    <SEC-DOCUMENT>0001213900-21-037369-index.html : 20210719
    <SEC-HEADER>0001213900-21-037369.hdr.sgml : 20210719
    <ACCEPTANCE-DATETIME>20210719080053
    ACCESSION NUMBER:		0001213900-21-037369
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		33
    CONFORMED PERIOD OF REPORT:	20210714
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210719
    DATE AS OF CHANGE:		20210719

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38037
    		FILM NUMBER:		211096882

    	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>8-K
    <SEQUENCE>1
    <FILENAME>ea144301-8k_sgblocksinc.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: ea144301-8k_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>ea144301ex10-1_sgblocksinc.htm
    <DESCRIPTION>REAL ESTATE LIEN NOTE, DATED JULY 14, 2021, IN THE PRINCIPAL AMOUNT OF $2,000,000
    <TEXT>
    Document 2 - file: ea144301ex10-1_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>3
    <FILENAME>ea144301ex10-2_sgblocksinc.htm
    <DESCRIPTION>DEED OF TRUST, DATED JULY 14, 2021
    <TEXT>
    Document 3 - file: ea144301ex10-2_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.3
    <SEQUENCE>4
    <FILENAME>ea144301ex10-3_sgblocksinc.htm
    <DESCRIPTION>ASSIGNMENT OF LEASES AND RENTS, DATED JULY [8], 2021
    <TEXT>
    Document 4 - file: ea144301ex10-3_sgblocksinc.htm

    </DOCUMENT>
    <DOCUMENT>
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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: ex10-1_001.jpg

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    <SEQUENCE>6
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: ex10-1_002.jpg

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
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    Document 7 - file: ex10-1_003.jpg

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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: ex10-1_004.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: ex10-1_005.jpg

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    <SEQUENCE>10
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: ex10-1_006.jpg

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    <SEQUENCE>11
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    Document 11 - file: ex10-2_001.jpg

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    Document 12 - file: ex10-2_002.jpg

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    Document 13 - file: ex10-2_003.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 14 - file: ex10-2_004.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: ex10-2_005.jpg

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    Document 16 - file: ex10-2_006.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: ex10-2_007.jpg

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    <SEQUENCE>18
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    <DESCRIPTION>GRAPHIC
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    Document 18 - file: ex10-2_008.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 19 - file: ex10-2_009.jpg

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    <FILENAME>ex10-2_010.jpg
    <DESCRIPTION>GRAPHIC
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    Document 20 - file: ex10-2_010.jpg

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    <FILENAME>ex10-2_011.jpg
    <DESCRIPTION>GRAPHIC
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    Document 21 - file: ex10-2_011.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 22 - file: ex10-3_001.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 23 - file: ex10-3_002.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 24 - file: ex10-3_003.jpg

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    <SEQUENCE>25
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: ex10-3_004.jpg

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    <SEQUENCE>26
    <FILENAME>ex10-3_005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: ex10-3_005.jpg

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    <SEQUENCE>27
    <FILENAME>ex10-3_006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: ex10-3_006.jpg

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    <SEQUENCE>28
    <FILENAME>ex10-3_007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: ex10-3_007.jpg

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    <FILENAME>ex10-3_008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: ex10-3_008.jpg

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    <SEQUENCE>30
    <FILENAME>ex10-3_009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: ex10-3_009.jpg

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    <DOCUMENT>
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    <SEQUENCE>31
    <FILENAME>ex10-3_010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: ex10-3_010.jpg

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    <SEQUENCE>32
    <FILENAME>ex10-3_011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: ex10-3_011.jpg

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    <DOCUMENT>
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    <SEQUENCE>33
    <FILENAME>ex10-3_012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: ex10-3_012.jpg

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