LIMITED POWER OF ATTORNEY 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, or each of them singly, to be the undersigned's true
and lawful attorney-in-fact to:

(1) prepare, execute in the undersigned's name an on the undersigned's
behalf, and submit to the U.S. Securities and Exchange Commission (the "SEC")
a Form ID, including amendments thereto, and any other documents necessary or
appropriate to obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by Section 16(a) of the
Securities Exchange Act of 1934 or any rule or regulation of the SEC;

(2) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer, director and/or stockholder of Boston Properties,
Inc. and Boston Properties Limited Partnership (together, 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;

(3) 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

(4) 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 November, 2007.

/s/ Michael E. LaBelle
Signed

Michael E. LaBelle
Print Name