Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

          The undersigned, James C. Mastandrea, Chairman and Chief Executive Officer of Whitestone REIT (the “Company”), certifies, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

     1. The Annual Report on Form 10-K of the Company for the year ended December 31, 2008 (“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 results of operations of the Company.

	/s/ James C. Mastandrea
	James C. Mastandrea
	Chairman and Chief Executive Officer
Date: March 16, 2009