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, Eric G. Kevorkian,

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  2nd     day of May, 2005.



/s/ Zoe Baird

Signed



Print Name

Zoe Baird