Exhibit 99.1

SG Blocks Announces Proposed Public Offering of Common Stock

July 29, 2019 04:01 PM Eastern Daylight Time

NEW YORK--(BUSINESS WIRE)--SG Blocks, Inc. (NASDAQ: SGBX), a leading designer, fabricator and innovator of container-based structures, today announced that it intends to offer and sell shares of its common stock in an underwritten public offering. SG Blocks expects to grant the underwriters a 45-day option to purchase additional shares of common stock offered in the public offering. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

SG Blocks intends to use the net proceeds from the proposed offering for working capital.

ThinkEquity, a division of Fordham Financial Management, Inc., is acting as representative of the underwriters in the offering.

A shelf registration statement on Form S-3 (File No. 333-228882) relating to the shares of common stock to be issued in the proposed offering was filed with the Securities and Exchange Commission (SEC) and is effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

A preliminary prospectus supplement and accompanying prospectus describing the terms of the proposed offering will be filed with the SEC. The securities may be offered only by means of a prospectus, including a prospectus supplement, forming a part of the effective registration statement. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to the securities being offered may also be obtained from ThinkEquity, a division of Fordham Financial Management, Inc., 17 State Street, 22nd Floor, New York, New York 10004, by telephone at (877) 436-3673, by email at prospectus@think-equity.com. Electronic copies of the preliminary prospectus supplement and accompanying prospectus will also be available on the SEC’s website at http://www.sec.gov.

Safe Harbor

This press release contains forward-looking statements regarding the proposed public offering and the intended use of proceeds from the offering. The offering is subject to market and other conditions and there can be no assurance as to whether or when the offering may be completed or as to the actual size or terms of the offering. Forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause actual results to differ materially, including those risks disclosed in under the caption “Risk Factors” in the preliminary prospectus supplement related to the offering and our Quarterly Report on Form 10-Q filed with the SEC on May 13, 2019, our Annual Report on Form 10-K filed with the SEC on March 29, 2019 and our other filings with the SEC. SG Blocks, Inc. cautions readers not to place undue reliance on any forward-looking statements and it does not undertake, and specifically disclaims any obligation, to update or revise such statements to reflect new circumstances or unanticipated events as they occur.

About SG Blocks, Inc.

SG Blocks, Inc. is a premier innovator in advancing and promoting the use of code-engineered cargo shipping containers for safe and sustainable construction. The firm offers a product that exceeds many standard building code requirements, and also supports developers, architects, builders and owners in achieving greener construction, faster execution, and stronger buildings of higher value. Each project starts with GreenSteel™, the structural core and shell of an SG Blocks building, and then customized to client specifications. For more information, visit www.sgblocks.com.

Forward-Looking Statements

Certain statements in this press release constitute "forward-looking statements" within the meaning of the federal securities laws. Words such as "may," "might," "will," "should," "believe," "expect," "anticipate," "estimate," "continue," "predict," "forecast," "project," "plan," "intend" or similar expressions, or statements regarding intent, belief, or current expectations, are forward-looking statements. While SG Blocks believes these forward-looking statements are reasonable, undue reliance should not be placed on any such forward-looking statements, which are based on information available to us on the date of this release. These forward-looking statements are based upon current estimates and assumptions and are subject to various risks and uncertainties, including without limitation those set forth in SG Blocks' filings with the Securities and Exchange Commission. Thus, actual results could be materially different. SG Blocks expressly disclaims any obligation to update or alter statements whether as a result of new information, future events or otherwise, except as required by law.

Contacts

Media

Rubenstein Public Relations

Christina Levin

Account Director 212-805-3029

clevin@rubensteinpr.com

or

Investor Relations

James Carbonara

Hayden IR (646)-755-7412

james@haydenir.com

Brett Maas

Hayden IR (646) 536-7331

brett@haydenir.com