<SEC-DOCUMENT>0001213900-15-002323.txt : 20150331
<SEC-HEADER>0001213900-15-002323.hdr.sgml : 20150331
<ACCEPTANCE-DATETIME>20150331161346
ACCESSION NUMBER:		0001213900-15-002323
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20141231
FILED AS OF DATE:		20150331
DATE AS OF CHANGE:		20150331

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22563
		FILM NUMBER:		15739342

	BUSINESS ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		16TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 520-6218

	MAIL ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		16TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	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>10-K/A
<SEQUENCE>1
<FILENAME>f10k2014a1_sgblocksinc.htm
<DESCRIPTION>FORM 10-K/A
<TEXT>
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<P STYLE="font: 1pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 10-K</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Amendment No. 1)</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
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    <TD COLSPAN="2" STYLE="text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Wingdings"><B>x</B></FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif"> ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 28%; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="width: 72%; text-align: center; line-height: 115%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp; For the fiscal year ended<B> December 31, 2014</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: center; line-height: 115%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp; OR</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: center; line-height: 115%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Wingdings">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif"> TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">For the transition period from ____________
to ____________&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">Commission file number:&nbsp;&nbsp;000-22563</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SG BLOCKS, INC.</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">(Exact name of registrant as specified
in its charter)</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 50%; border-bottom: black 1.5pt solid; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Delaware</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 3%; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 47%; border-bottom: black 1.5pt solid; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>95-4463937</B></FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(State or other jurisdiction of</FONT></TD>
    <TD STYLE="vertical-align: bottom; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(I.R.S. Employer</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">incorporation or organization)</FONT></TD>
    <TD STYLE="vertical-align: bottom; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Identification No.)</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-bottom: black 1.5pt solid; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>3 Columbus Circle, 16th Floor, New York, NY</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1.5pt solid; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>10019</B></FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Address of principal executive offices)</FONT></TD>
    <TD STYLE="vertical-align: bottom; text-align: center; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Zip Code)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(212) 520-6218</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">(Registrant&rsquo;s telephone number,
including area code)</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">Securities registered pursuant to Section
12(b) of the Act: None</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">Securities registered pursuant to Section
12(g) of the Act:&nbsp;Common Stock, par value $.01 per share</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.55in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">x</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.55in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">x</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and
(2) has been subject to such filing requirements for the past 90 days.</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.55in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
&nbsp;</FONT><FONT STYLE="font-family: Wingdings">x</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File
required to be submitted and posted pursuant to Rule 405 of Regulation S-T (&sect; 232.405 of this chapter) during the preceding
12 months (or for such shorter period that the registrant was required to submit and post such files).</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0 0 0 0.55in; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
&nbsp;</FONT><FONT STYLE="font-family: Wingdings">x</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;No&nbsp;
</FONT><FONT STYLE="font-family: Wingdings">o</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.55in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Indicate
by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be
contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part
III of this Form 10-K or any amendment to this Form 10-K.&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting
company. See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer&rdquo; and &ldquo;smaller reporting
company&rdquo; in Rule 12b-2 of the Exchange Act.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 40%; padding-left: 0.55in; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Large accelerated filer&nbsp;&nbsp;</FONT><FONT STYLE="font: 10pt Wingdings">o</FONT></TD>
    <TD STYLE="width: 34%; line-height: 115%">&nbsp;</TD>
    <TD STYLE="width: 25%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Accelerated filer&nbsp;&nbsp;</FONT><FONT STYLE="font: 10pt Wingdings">o</FONT></TD>
    <TD STYLE="width: 1%; line-height: 115%">&nbsp;</TD></TR>
<TR>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD></TR>
<TR>
    <TD COLSPAN="2" STYLE="text-indent: 0.55in; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Non-accelerated filer&nbsp;&nbsp;</FONT><FONT STYLE="font: 10pt Wingdings">o</FONT><FONT STYLE="font: 10pt Times New Roman, Times, Serif"> (Do not check if a smaller reporting company)</FONT></TD>
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Smaller reporting company&nbsp;&nbsp;</FONT><FONT STYLE="font: 10pt Wingdings">x</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Indicate by check
mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).&nbsp;</P>

<P STYLE="font: 10pt/normal Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.55in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
&nbsp;</FONT><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">
No&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings">x</FONT></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">The aggregate market
value of the common stock held by non-affiliates of SG Blocks, Inc. as of June 30, 2014 was approximately $5,731,554.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">As of March 27,
2015, the issuer had a total of 42,918,927 shares of common stock outstanding.</P>




<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"></P>

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<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>EXPLANATORY NOTE</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 59.4pt">This Amendment
No.&nbsp;1 on Form 10-K/A (the &ldquo;Amendment&rdquo;) amends the Annual Report on Form&nbsp;10-K filed by SG Blocks, Inc. for
the fiscal year ended December&nbsp;31, 2014, originally filed with the SEC on March&nbsp;31, 2015 (the &ldquo;Original Filing&rdquo;).
The purpose of the Amendment is to file the Consent of Independent Registered Public Accounting Firm as Exhibit 23, which was inadvertently
not filed as an exhibit to the Original Filing.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"><B>ITEM 15.</B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>
EXHIBITS AND FINANCIAL STATEMENT SCHEDULES</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0"><B>(a)(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
CONSOLIDATED FINANCIAL STATEMENTS</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 59.4pt">Our financial statements
and the notes thereto, together with the report thereon of Marcum LLP dated March 30, 2015, are filed with the Original Filing.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0"><B>(a)(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EXHIBITS</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 59.4pt">The information required by this Item
is listed in the Exhibit Index of this Amendment.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 59.4pt">&nbsp;</P>




<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 10pt"></P>

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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">SIGNATURES</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 59.4pt">Pursuant to the
requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 59.4pt">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0">SG BLOCKS, INC.</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0">(Company)</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="width: 35%; border-bottom: black 1.5pt solid; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Paul M. Galvin</FONT></TD>
    <TD STYLE="width: 62%; text-align: right; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date: March 31, 2015</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; line-height: 115%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Paul M. Galvin</FONT></TD>
    <TD STYLE="vertical-align: top; line-height: 115%">&nbsp;</TD></TR>
</TABLE>
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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center"><B>INDEX TO EXHIBITS</B></P>

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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 59.4pt">The exhibit number,
description and sequential page number in the original copy of this document where exhibits can be found as follows:</P>

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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0"><B>EXHIBITS INDEX</B></P>

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<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: black 1.5pt solid">
        <P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0"><B>Exhibit</B></P>
        <P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0"><B>Number</B></P></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1.5pt solid; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Description of Exhibits</B></FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.1</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Merger Agreement and Plan of Reorganization, dated July 27, 2011, by and among CDSI Holdings Inc., CDSI Merger Sub, Inc., SG Blocks, Inc. and Certain Stockholders of SG Blocks, Inc. Incorporated herein by reference to Exhibit 2.01 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) with the Securities and Exchange Commission on August 2, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.1</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Amended and Restated Certificate of Incorporation of SG Blocks, Inc. (fka CDSI Holdings Inc.).&nbsp;&nbsp;Incorporated herein by reference to Exhibit 3.01 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on November 10, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.2</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Certificate of Amendment of the Amended and Restated Certificate of Incorporation of SG Blocks, Inc.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 3.1 to the Current Report on Form 8-K filed with the SEC on July 18, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.3</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Amended and Restated Bylaws of SG Blocks, Inc. (fka CDSI Holdings Inc.).&nbsp;&nbsp;Incorporated herein by reference to Exhibit 3.2 to the Company&rsquo;s Registration Statement on Form SB-2A filed on May 9, 2009.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.1</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Revolving Credit Promissory Note, dated as of March 26, 2009, by and between Vector Group Ltd., Lender, and CDSI Holdings Inc., as borrower.&nbsp;&nbsp;&nbsp;Incorporated herein by reference to Exhibit 4.1 to the Annual Report on Form 10-K for the year ended December 31, 2008.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.2</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Amendment, dated as of January 26, 2011, to the Revolving Credit Promissory Note between Vector Group Ltd., Lender, and CDSI Holdings Inc., as borrower. (4)&nbsp;&nbsp;Incorporated herein by reference to Exhibit 4.1 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on January 27, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.3</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Warrant issued by SG Blocks, Inc. to Ladenburg Thalmann &amp; Co. Inc. on November 4, 2011. Incorporated herein by reference to Exhibit 4.3 to the Company&rsquo;s Annual Report on Form 10-k for the fiscal year ended December 31, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.4</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Warrant issued by SG Blocks, Inc. to Ladenburg Thalmann &amp; Co. Inc. on March 28, 2012. Incorporated herein by reference to Exhibit 4.3 to the Company&rsquo;s Annual Report on Form 10-k for the fiscal year ended December 31, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.5</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">8% Original Issue Discount Secured Convertible Debentures issued to Hillair Capital Investments, L.P.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.2 to the Company&rsquo;s Current Report on Form 8-K, filed January 3, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.6</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Common Stock Purchase Warrant, dated December 27, 2012, granted to Hillair Capital Investments, L.P. Incorporated herein by reference to Exhibit 10.3 to the Company&rsquo;s Current Report on Form 8-K, filed January 3, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.7</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Original Issue Discount Secured Convertible Debentures issued to additional investors. Incorporated herein by reference to Exhibit 4.1 to the Company&rsquo;s Current Report on Form 8-K, filed January 14, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.8</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Common Stock Purchase Warrants issued to additional investors. Incorporated herein by reference to Exhibit 4.8 to the Company&rsquo;s Current Report on Form 8-K, filed January 14, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.9</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Original Issue Discount Secured Convertible Debentures issued to additional investors. Incorporated herein by reference to Exhibit 4.1 to the Company&rsquo;s Current Report on Form 8-K, filed April 30, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.10</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Common Stock Purchase Warrants issued to additional investors. Incorporated herein by reference to Exhibit 4.2 to the Company&rsquo;s Current Report on Form 8-K, filed April 30, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.11</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Original Issue Discount Senior Secured Convertible Debentures Due April 1, 2016, issued to investors pursuant to the Exchange Agreement, dated April 10, 2014, between the Company and such investors.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 4.11 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.12</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Common Stock Purchase Warrants issued to investors pursuant to the Exchange Agreement, dated April 10, 2014, between the Company and such investors.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 4.12 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.13</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Original Issue Discount Senior Secured Convertible Debentures issued to investors pursuant to the Securities Purchase Agreement, dated April 10, 2014, between the Company and such investors.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 4.13 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.14</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Common Stock Purchase Warrants issued to investors pursuant to the Securities Purchase Agreement, dated April 10, 2014, between the Company and such investors. Incorporated herein by reference to Exhibit 4.14 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.1*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2011 Incentive Stock Plan, incorporated herein by reference to Exhibit 4.1 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) with the Securities and Exchange Commission on August 2, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.2</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Company Indemnification Agreement dated, November 7, 2011, between SG Blocks, Inc. and each of Paul Galvin, Joseph Tacopina, Stevan Armstrong, J. Scott Magrane, Christopher Melton, J. Bryant Kirkland III, Richard J. Lampen, Jennifer Strumingher, and Brian Wasserman.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.02 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on November 10, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.3*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Employment Agreement, dated October 26, 2010, between Paul Galvin and SG Building Blocks, Inc. (fka SG Blocks, Inc.).&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.03 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on November 10, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.4*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Employment Agreement, dated October 26, 2010, between Stevan Armstrong and SG Building Blocks, Inc. (fka SG Blocks, Inc.).&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.04 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on November 10, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.5*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Employment Agreement, dated October 26, 2010, between Jennifer Strumingher and SG Building Blocks, Inc. (fka SG Blocks, Inc.).&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.05 to the Current Report on Form 8-K as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on November 10, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.6*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Consulting Agreement, dated November 7, 2011 between SG Blocks, Inc., BAW Holdings Corp. and Brian Wasserman.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.06 to the Current Report on Form 8-K/A as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on December 20, 2011.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.7*</FONT></TD>
    <TD STYLE="line-height: 115%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Option Grant Letter for Employees, entered into between SG Blocks, Inc. and each of Paul Galvin, Stevan Armstrong and Jennifer Strumingher.</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; padding-bottom: 1.5pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.8*</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Option Grant Letter for Non-Employee Directors and Consultants, entered into between SG Blocks, Inc. and each of Joseph Tacopina, J. Scott Magrane, Christopher Melton, J. Bryant Kirkland III, Richard J. Lampen, and Brian Wasserman.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.9**</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Collaboration and Supply Agreement, dated July 23, 2007, between SGBlocks, LLC (now known as SG Building, Inc.) and ConGlobal Industries, Inc.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.7 to the Current Report on Form 8-K/A as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on January 13, 2012.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.10</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Subscription/Registration Rights Agreement between the Company and each of J. Bryant Kirkland III, effective as of May 24, 2012; and Christopher Melton and Brian A. Wasserman, effective as of March 27, 2012. Incorporated herein by reference to Exhibit 10.7 to the Current Report on Form 8-K/A as filed by SG Blocks, Inc. (fka CDSI Holdings Inc.) on May 31, 2012.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.10</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Subsidiary Guarantee, dated December 27, 2012. Incorporated herein by reference to Exhibit 10.4 to the Company&rsquo;s Current Report on Form 8-K, filed January 3, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.11</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Security Agreement, dated December 27, 2012. Incorporated herein by reference to Exhibit 10.5 to the Company&rsquo;s Current Report on Form 8-K, filed January 3, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.12</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Securities Purchase Agreement, dated December 27, 2012 between the Company and Hillair Investments, L.P. Incorporated herein by reference to Exhibit 10.1 to the Company&rsquo;s Current Report on Form 8-K, filed January 3, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.13</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Addendum to Securities Purchase Agreement issued to additional investors. Incorporated herein by reference to Exhibit 10.1 to the Company&rsquo;s Current Report on Form 8-K, filed April 30, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.14</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Addendum to Security Agreement issued to additional investors. Incorporated herein by reference to Exhibit 10.2 to the Company&rsquo;s Current Report on Form 8-K, filed April 30, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.15</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form Securities Purchase Agreement, dated December 27, 2012 between the Company and Hillair Investments, L.P. Incorporated (as amended) herein by reference to Exhibit 10.1 to the Company&rsquo;s Quarterly Report on Form 10-Q, filed November 14, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.16</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Securities Exchange Agreement, dated April 10, 2014, between the Company and investors party thereto.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.16 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.17</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Securities Purchase Agreement, dated April 10, 2014, between the Company and investors party thereto.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.17 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.18</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Subsidiary Guarantee, dated April 10, 2014, by SG Building Blocks, Inc. in favor of investors party to the Securities Purchase Agreement, dated April 10, 2014. Incorporated herein by reference to Exhibit 10.18 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: #CCEEFF">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.19</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Form of Security Agreement, dated April 10, 2014, between the Company and investors party thereto. Incorporated herein by reference to Exhibit 10.19 to the Annual Report on Form 10-K filed with the SEC on April 15, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.21*</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2014 Incentive Stock Plan.&nbsp;&nbsp;Incorporated herein by reference to Exhibit 10.1 to the Current Report on Form 8-K filed with the SEC on July 18, 2014, as amended.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">21.1#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">List of Subsidiaries.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">23+</FONT></TD>
    <TD COLSPAN="2">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Consent Of Independent Registered Public Accounting Firm.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">31.1+</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Certification by Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">31.2+</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Certification by Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">32#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Certification by Chief Executive Officer and Chief Financial Officer pursuant to section 906 of the Sarbanes-Oxley Act of 2002.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.INS#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Instance Document.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.SCH#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Taxonomy Extension Schema Document.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.CAL#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Taxonomy Extension Calculation Linkbase Document.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.DEF#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Taxonomy Extension Definition Linkbase Document.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.LAB#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Taxonomy Extension Label Linkbase Document.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">101.PRE#</FONT></TD>
    <TD COLSPAN="2" STYLE="line-height: 115%">&nbsp;</TD>
    <TD STYLE="text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">XBRL Taxonomy Extension Presentation Linkbase Document.</FONT></TD></TR>
<TR STYLE="background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 4px">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">*</FONT></TD>
    <TD STYLE="width: 97%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Includes compensatory plan or arrangement.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">**</FONT></TD>
    <TD STYLE="width: 97%; text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Filed with confidential portions omitted pursuant to request for confidential treatment.&nbsp;&nbsp;The omitted portions have been separately filed with the SEC.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">+</FONT></TD>
    <TD STYLE="width: 97%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Transmitted herewith.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 2%; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">#</FONT></TD>
    <TD STYLE="line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Previously filed or furnished, as applicable, as an exhibit to the Company&rsquo;s Annual Report on Form 10-K filed with the SEC on March 31, 2015. </FONT></TD></TR>
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<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"></P>



<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"><B>&nbsp;</B></P>

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<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>f10k2014a1ex23_sgblocksinc.htm
<DESCRIPTION>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM S CONSENT
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<P STYLE="margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Exhibit
23</B></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif; text-transform: uppercase">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif; text-transform: uppercase">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif; text-transform: uppercase"><U>Independent
Registered Public Accounting Firm&rsquo;s Consent</U></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">We
consent to the incorporation by reference in the Registration Statement of SG Blocks, Inc. and Subsidiaries on Form S-8<B> </B>(FILE
NO. 333-201469) of our report which includes an explanatory paragraph as to the Company&rsquo;s ability to continue as a going
concern, dated March 30, 2015,<B><SUP> </SUP></B> with respect to our audits of the consolidated financial statements of SG Blocks,
Inc. and Subsidiaries as of December 31, 2014 and 2013 and for the years then ended, which report is included in this Annual Report
on Form 10-K/A of SG Blocks, Inc. and Subsidiaries for the year ended December 31, 2014 to be filed on or about March 31, 2015.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Marcum
<FONT STYLE="font-variant: small-caps">llp</FONT></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Marcum <FONT STYLE="font-variant: small-caps">llp</FONT></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">New, York,
NY</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">March 31,
2015</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>



<P STYLE="margin: 0"></P>

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>f10k2014a1ex31i_sgblocksinc.htm
<DESCRIPTION>CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER
<TEXT>
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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right"><B>Exhibit 31.1</B></P>

<P STYLE="font: 12pt/normal Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">CERTIFICATION OF THE PRINCIPAL EXECUTIVE
OFFICER</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY
ACT OF 2002</P>

<P STYLE="font: 12pt/normal Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify">I, Paul M. Galvin, certify that:</P>

<P STYLE="font: 12pt/normal Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 6%; text-align: center; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 94%; text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of SG Blocks, Inc. for the year ended December 31, 2014; and</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0 0 0 9pt; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 6%; text-align: center; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 94%; text-align: justify; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0 0 0 9pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0 0 0 9pt; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">March 31, 2015</FONT></TD>
    <TD STYLE="width: 45%; border-bottom: black 1.5pt solid; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Paul M. Galvin</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="line-height: 115%; font-size: 11pt">&nbsp;</TD>
    <TD STYLE="line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name: Paul M. Galvin</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="line-height: 115%; font-size: 11pt">&nbsp;</TD>
    <TD STYLE="line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:&nbsp; Chief Executive Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 12pt/0.05pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>




<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right">&nbsp;</P>



</BODY>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>f10k2014a1ex31ii_sgblocksinc.htm
<DESCRIPTION>CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER
<TEXT>
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<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right"><B>Exhibit 31.2</B></P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: right; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">CERTIFICATION OF THE PRINCIPAL FINANCIAL
OFFICER</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: center">PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY
ACT OF 2002</P>

<P STYLE="font: 12pt/normal Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-align: justify">I, Brian Wasserman, certify that:</P>

<P STYLE="font: 12pt/normal Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; text-align: center; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 93%; text-align: justify; line-height: 115%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I have reviewed Amendment No. 1 to the Annual Report on Form 10-K/A of SG Blocks, Inc. for the year ended December 31, 2014; and</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0 0 0 9pt; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; text-align: center; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 93%; text-align: justify; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0 0 0 9pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 62%; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">March 31, 2015</FONT></TD>
    <TD STYLE="width: 38%; border-bottom: black 1.5pt solid; line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Brian Wasserman</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="line-height: 115%; font-size: 11pt">&nbsp;</TD>
    <TD STYLE="line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name: Brian Wasserman</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="line-height: 115%; font-size: 11pt">&nbsp;</TD>
    <TD STYLE="line-height: 115%; font-size: 11pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:&nbsp; Chief Financial Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>


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