EX-23.1 4 k02504exv23w1.txt CONSENT OF GRANT THORNTON LLP Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We have issued our reports dated March 16, 2006, accompanying the consolidated financial statements and schedule and management's assessment of the effectiveness of internal control over financial reporting included in the Annual Report of Sun Communities, Inc. on Form 10-K for the year ended December 31, 2005. We hereby consent to the incorporation by reference in the registration statements on Form S-3 (File No. 333-54718, File No. 333-86237, File No. 333-64271, File No. 333-14595, File No. 333-45273, File No. 333-72461, File No. 333-30462, File No. 333-72668, File No. 333-82392, File No. 333-19855, File No. 333-36541, File No. 333-1822 and File No. 333-96769) and on Form S-8 (File No. 333-11923, File No. 333-82479, File No. 333-76400, and File No. 333-76398) of Sun Communities, Inc. of our reports dated March 16, 2006 relating to the consolidated financial statements which appear in this Annual Report on Form 10-K. /S/ GRANT THORNTON LLP Southfield, Michigan March 16, 2006