Exhibit 23.1

                   CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the incorporation by reference in the Registration
Statement on Form S-3 (No. 333-71807), Form S-3 (No. 333-60379), Form S-3 (No.
333-36740), and Form S-8 (No. 333-88711) of Corporate Office Properties Trust of
our report dated January 24, 2001 relating to the financial statements, which
appears in the Annual Report to Shareholders, which is incorporated in this
Annual Report on Form 10-K. We also consent to the incorporation by reference of
our report dated January 24, 2001 relating to the financial statement schedules,
which appears in this Form 10-K.


/s/ PricewaterhouseCoopers LLP

Baltimore, Maryland
March 15, 2001