POA DOCUMENT

LIMITED POWER OF ATTORNEY FOR AVALONBAY COMMUNITIES, INC.
SECTION 16(a)
FILINGS


Know all by these presents, that the undersigned's hereby
constitutes and appoints each of Thomas J. Sargeant, Joanne M. Lockridge,
and Edward M. Schulman, signing singly, 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
AvalonBay Communities, 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 or amendment
thereto and timely file such form with the United States Securities and
Exchange Commission (the "SEC") and any stock exchange or similar
authority; 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.


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 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
long required to file Forms 3, 4, and 5 with respect to the undersigned's
holdings of and transaction in securities of 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 1st day of March, 2005.





/s/ J.
Richard Morris
Signature



_____J. Richard
Morris______________
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