Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of the Annual Report of Pillarstone Capital REIT (the “Company”) on Form 10-K/A for the period ending December 31, 2017 (the “Report”) with the Securities and Exchange Commission, I, James C. Mastandrea, Chairman of the Board, Chief Executive Officer and President and I, John J. Dee, Chief Financial Officer and Senior Vice President, of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and

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

		PILLARSTONE CAPITAL REIT
		By:	/s/ James C. Mastandrea
Date:	September 18, 2018		James C. Mastandrea Chairman, Chief Executive Officer and President

		PILLARSTONE CAPITAL REIT
		By:	/s/ John J. Dee
Date:	September 18, 2018		John J. Dee Chief Financial Officer and Senior Vice President