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, based on my knowledge, that:

        (1)  The Company's periodic report on Form 10-Q for the period ended September 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.

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Exhibit 99.2