
<PAGE>
 
                                                                   EXHIBIT 23.5

                [LETTERHEAD OF COLLIERS PINKARD APPEARS HERE] 

November 24, 1997
 
Boston Properties, Inc.
8 Arlington Street
Boston, MA 02116
 
Attention: David R. Barrett, Senior Vice President
 
Dear Mr. Barrett
 
In connection with the second public offering of common stock by Boston
Properties, Inc., we hereby consent to the use of our name in the Registration
Statement on Form S-11 to be filed with the Securities and Exchange Commission
as the source of the information we have provided to you and to the
incorporation by reference of this consent in any abbreviated registration
statement in connection with the Company's Common Stock pursuant to Rule
452(b) under the Securities Act.
 
Sincerely,
 
David R. Frederick
COO/Principal
