<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>4
<FILENAME>ex23-3.txt
<TEXT>
                                                                    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

</TEXT>
</DOCUMENT>
