LIMITED POWER OF ATTORNEY
FOR
SECTION 16(a) FILINGS

          Know all by these presents, that the undersigned hereby
constitutes and appoints each of Douglas T. Linde, William J. Wedge,
Kelli A. DiLuglio and Arthur S. Flashman, signing singly, to be the
undersigned's true and lawful attorney-in-fact to: (1) execute for and
on behalf of the undersigned, in the undersigned's capacity as an
officer, director and/or stockholder of Boston Properties, Inc. (the
"Company"), Forms 3, 4, and 5 and amendments thereto in accordance with
Section 16(a) of the Securities Exchange Act of 1934 and the rules
thereunder; (2) do and perform any and all acts for and on behalf of
the undersigned which may be necessary or desirable to complete and
execute any such Form 3, 4, or 5 and any amendments thereto and timely
file such forms with the United States Securities and Exchange
Commission (the "SEC") and any stock exchange or similar authority,
including, but not limited to, taking any actions necessary or
desirable in connection with effectuating electronic filings; and (3)
take any other action of any type whatsoever which, in the opinion of
such attorney-in-fact, may be necessary or desirable in connection with
the foregoing authority, it being understood that the documents
executed by such attorney-in-fact on behalf of the undersigned pursuant
to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of
the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by
virtue of this Power of Attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange
Act of 1934.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with
respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.   This
Power of Attorney may be filed with the SEC as a confirming statement
of the authority granted herein.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this  15th     day of May, 2003.

/s/ William M. Daley
Signed

Print Name
William M. Daley