Exhibit 32.3

Certification of President

Pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Terreno Realty Corporation (the “Company”), hereby certifies, to his knowledge, that:

(i) the accompanying Annual Report on Form 10-K of the Company for the year ended December 31, 2015 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: February 10, 2016

/s/ Michael A. Coke

President