SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULE 13d-1(b) (c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                               (Amendment No. __)*

                        Franklin Street Properties Corp.
          ------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
          ------------------------------------------------------------
                         (Title of Class of Securities)

                                    35471F102
          ------------------------------------------------------------
                                 (CUSIP Number)

                                  June 1, 2003
          ------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

  |_|   Rule 13d-1(b)
  |X|   Rule 13d-1(c)
  |_|   Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



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CUSIP No.    35471F102              SCHEDULE 13G             Page 1 of 4 pages
-----------------------------                            -----------------------

--------------------------------------------------------------------------------
 1.    Names of Reporting Persons
       I.R.S. Identification No. of above persons (entities only)

       Dennis J. McGillicuddy
--------------------------------------------------------------------------------
  2.   Check the Appropriate Box if a Member of a Group*
                                                                         (a) |_|

                                                                         (b) |_|
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  3.   SEC Use Only


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  4.   CITIZENSHIP OR PLACE OF ORGANIZATION

       Florida
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                   5.   Sole Voting Power

                        404,499.00
                   -------------------------------------------------------------
                   6.   Shared Voting Power

                        0
                   -------------------------------------------------------------
                   7.   Sole Dispositive Power

                        404,499.00
                   -------------------------------------------------------------
                   8.   Shared Dispositive Power

                        2,163,224.04
--------------------------------------------------------------------------------
 9.   Aggregate Amount Beneficially Owned by Each Reporting Person

      2,567,723.04
--------------------------------------------------------------------------------
10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
      EXCLUDES CERTAIN SHARES*
                                                                             |X|
--------------------------------------------------------------------------------
11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      5.17%
--------------------------------------------------------------------------------
12.   TYPE OF REPORTING PERSON*

      IN
--------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



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CUSIP No.    35471F102              SCHEDULE 13G              Page 2 of 4 pages
-----------------------------                            -----------------------

--------------------------------------------------------------------------------
ITEM 1(a).   NAME OF ISSUER:

             Franklin Street Properties Corp.
--------------------------------------------------------------------------------
ITEM 1(b).   ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

             401 Edgewater Place, Suite 200, Wakefield, MA  01880
--------------------------------------------------------------------------------
ITEM 2(a).   NAME OF PERSON FILING:

             Dennis J. McGillicuddy
--------------------------------------------------------------------------------
ITEM 2(b).   ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:

             5111 Ocean Boulevard, Suite C, Sarasota, FL  34242
--------------------------------------------------------------------------------
ITEM 2(c).   CITIZENSHIP:

             Florida
--------------------------------------------------------------------------------
ITEM 2(d).   TITLE OF CLASS OF SECURITIES:

             Common Stock
--------------------------------------------------------------------------------
ITEM 2(e).   CUSIP NUMBER:

             35471F102
--------------------------------------------------------------------------------
ITEM 3.      IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), or
             13d-2(b) or (c), CHECK WHETHER THE PERSON FILING IS A:

             (a) |_|  Broker or Dealer registered under Section 15 of the
                      Exchange Act.

             (b) |_|  Bank as defined in Section 3(a)(6) of the Exchange Act.

             (c) |_|  Insurance Company as defined in Section 3(a)(19) of the
                      Exchange Act.

             (d) |_|  Investment company registered under Section 8 of the
                      Investment Company Act of 1940.

             (e) |_|  An investment adviser in accordance with Rule
                      13d-1(b)(1)(ii)(E);

             (f) |_|  An employee benefit plan or endowment fund in accordance
                      with Rule 13d-1(b)(1)(ii)(F);

             (g) |_|  A parent holding company or control person in accordance
                      with Rule 13d-1(b)(1)(ii)(G);

             (h) |_|  A savings association as defined in Section 3(b) of the
                      Federal Deposit Insurance Act;

             (i) |_|  A church plan that is excluded from the definition of an
                      investment company under section 3(c)(14) of the
                      Investment Company Act of 1940;

             (j) |_|  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

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CUSIP No.    35471F102              SCHEDULE 13G              Page 3 of 4 pages
-----------------------------                            -----------------------

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ITEM 4.      OWNERSHIP*

            Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

             (a) Amount beneficially owned:                         2,567,723.04
                                                                  --------------

             (b) Percent of Class:                                         5.17%
                                                                  --------------

             (c) Number of shares as to which such person has:

                 (i)   Sole power to vote or to direct the vote       404,499.00
                                                                  --------------

                 (ii)  Shared power to vote or to direct the vote              0
                                                                  --------------

                 (iii) Sole power to dispose or direct the
                       disposition of                                 404,499.00
                                                                  --------------
                 (iv)  Shared power to dispose or direct the
                       disposition of                               2,163,224.04
                                                                  --------------

      * The holdings reported by Mr. McGillicuddy herein are stated as of June
1, 2003. Mr. McGillicuddy's percentage ownership is based on approximately
49,630,338 shares of the Company's common stock outstanding as of June 1, 2003.

--------------------------------------------------------------------------------
ITEM 5.     OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

            If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following |_|.
--------------------------------------------------------------------------------
ITEM 6.    OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
           PERSON.

           Not Applicable.
--------------------------------------------------------------------------------
ITEM 7.    IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
           THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

           Not Applicable.
--------------------------------------------------------------------------------
ITEM 8.    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

           Not Applicable.
--------------------------------------------------------------------------------
ITEM 9.    NOTICE OF DISSOLUTION OF GROUP.

           Not Applicable.
--------------------------------------------------------------------------------
ITEM 10.   CERTIFICATIONS.

           Not Applicable.
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CUSIP No.    35471F102              SCHEDULE 13G              Page 4 of 4 pages
-----------------------------                            -----------------------

                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                               June 10, 2003
                                 -------------------------------------------
                                                   (Date)

                                         /s/ Dennis J. McGillicuddy
                                 -------------------------------------------
                                                (Signature)

                                           Dennis J. McGillicuddy
                                 -------------------------------------------
                                                (Name/Title)