EXHIBIT 99.3


                         RECKSON ASSOCIATES REALTY CORP.
                                  EXHIBIT 99.3
              CERTIFICATION PURSUANT TO SECTION 1350 OF CHAPTER 63
                      OF TITLE 18 OF THE UNITED STATES CODE


I, Michael Maturo, Executive Vice President, Treasurer and Chief Financial
Officer of Reckson Associates Realty Corp. (the "Company"), certify pursuant to
section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

         1)       The Quarterly Report on Form 10-Q of the Company for the
                  quarterly period ended September 30, 2002 (the "Report") fully
                  complies with the requirements of Section 13(a) or 15(d) of
                  the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d));
                  and

         2)       The information contained in the Report fairly presents, in
                  all material respects, the financial condition and results of
                  operations of the Company.

Dated:  November 12, 2002

                                    By /s/ Michael Maturo
                                       -----------------------------------------
                                       Michael Maturo, Executive Vice President,
                                       Treasurer and Chief Financial Officer