EX-23.3 4 ex23-3.txt Exhibit 23.3 Consent of Independent Auditors We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Form S-3) and related Prospectus of Franklin Street Properties Corp. for the registration of 25,000,091 shares of its common stock and to the incorporation by reference therein of our report dated February 6, 2004, with respect to the consolidated financial statements and schedule of Franklin Street Properties Corp. included in its Annual Report (Form 10-K) for the year ended December 31, 2003, filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP Boston, Massachusetts August 27, 2004