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                                                                    EXHIBIT 99.2

                        CORPORATE OFFICE PROPERTIES TRUST

                  CERTIFICATION BY THE CHIEF FINANCIAL OFFICER
          RELATING TO A PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS


     I, Roger A. Waesche, Jr., Chief Financial Officer of Corporate Office
Properties Trust, a Maryland real estate investment trust (the "Company"),
hereby certify that:

     (1)  The Company's periodic report on Form 10-Q for the period ended June
30, 2002 (the "Form 10-Q") fully complies with the requirements of Section 13(a)
of the Securities Exchange Act of 1934, as amended; and

     (2)  The information contained in the Form 10-Q fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

                                      * * *


/s/ Roger A Waesche, Jr
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Roger A. Waesche, Jr.
Chief Financial Officer
Date: August 13, 2002
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