UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                         WASHINGTON, D.C. 20549

                              SCHEDULE 13G

               UNDER THE SECURITIES EXCHANGE ACT OF 1934
                     	      INITIAL FILING

AVALONBAY COMMUNITIES
(NAME OF ISSUER)
COMMON
(TITLE CLASS OF SECURITIES)
053484101
(CUSIP NUMBER)
09/30/2008
(DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)

CHECK THE APPROPRIATE BOX TO DESIGNATE THE RULE PURSUANT TO WHICH THIS
SCHEDULE IS FILED:

			(X)  RULE 13D-1(B)
			( )  RULE 13D-1(C)
			( )  RULE 13D-1(D)

*THE REMAINDER OF THIS COVER PAGE SHALL BE FILLED OUT FOR A
REPORTING PERSON'S INITIAL FILING ON THIS FORM WITH RESPECT TO THE
SUBJECT CLASS OF SECURITIES, AND FOR ANY SUBSEQUENT AMENDMENT
CONTAINING INFORMATION WHICH WOULD ALTER THE DISCLOSURES PROVIDED
IN A PRIOR COVER PAGE.

THE INFORMATION REQUIRED IN THE REMAINDER OF THIS COVER PAGE SHALL
NOT BE DEEMED TO BE "FILED" FOR THE PURPOSE OF SECTION 18 OF THE
SECURITIES EXCHANGE ACT OF 1934 ("ACT") OR OTHERWISE SUBJECT TO THE
LIABILITIES OF THAT SECTION OF THE ACT BUT SHALL BE SUBJECT TO ALL
OTHER PROVISIONS OF THE ACT (HOWEVER, SEE THE NOTES).




















CUSIP NO. 053484101			13G			 PAGE 2 OF 5 PAGES


1.  NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF PERSON
STATE STREET BANK AND TRUST COMPANY, ACTING IN VARIOUS FIDUCIARY
CAPACITIES.		04-1867445

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP.*

    NOT APPLICABLE                                   A __
                                                     B __
3.  SEC USE ONLY

4.  CITIZENSHIP OR PLACE OF ORGANIZATION

    BOSTON, MASSACHUSETTS

5.  SOLE VOTING POWER
    3,956,580 SHARES
6.  SHARED VOTING POWER
    0 SHARES
7.  SOLE DISPOSITIVE POWER
    0 SHARES
8.  SHARED DISPOSITIVE POWER
    3,956,580 SHARES
9.  AGGREGATED AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
    3,956,580 SHARES
10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
     SHARES*
     NOT APPLICABLE
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
     5.1%
12.  TYPE OF REPORTING PERSON*
     BK


 					13G        PAGE 3 OF 5 PAGES
ITEM 1.
  (A)  NAME OF ISSUER
 	  AVALONBAY COMMUNITIES INC

  (B)  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
       2900 EISENHOWER AVENUE, SUITE 300
	  ALEXANDRIA VA 22314

ITEM 2.

     (A)  NAME OF PERSON FILING
          STATE STREET BANK AND TRUST COMPANY, TRUSTEE


     (B)  ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE,
          RESIDENCE

          STATE STREET FINANCIAL CENTER
	 ONE LINCOLN STREET
	 BOSTON, MA 02111


     (C)  CITIZENSHIP

          BOSTON, MASSACHUSETTS

	(D)	TITLE CLASS OF SECURITIES
		COMMON

	(E)	CUSIP NUMBER
		053484101

ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B), OR
		13D-2(B), CHECK WHETHER THE PERSON FILING IS A:

     (B)  _X_  BANK AS DEFINED IN SECTION 3(A)(6) OF THE ACT



						13G		PAGE 4 OF 5 PAGES

ITEM 4. OWNERSHIP
(A)	AMOUNT BENEFICIALLY OWNED
3,956,580 SHARES

(B)	PERCENT OF CLASS
5.1%

  (C)  NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:
    (I)  SOLE POWER TO VOTE OR TO DIRECT THE VOTE OF
         3,956,580 SHARES
   (II)  SHARED POWER TO VOTE OR TO DIRECT THE VOTE OF
         0 SHARES
  (III)  SOLE POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF
         0 SHARES
   (IV)  SHARED POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF
         3,956,580 SHARES

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

          NOT APPLICABLE

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
          PERSON.

		NOT APPLICABLE

ITEM 7.  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY

          NOT APPLICABLE

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

          NOT APPLICABLE

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP

          NOT APPLICABLE


                          13G                PAGE 5 OF 5 PAGES

ITEM 10.  CERTIFICATION

          THE FOLLOWING CERTIFICATION SHALL BE INCLUDED IF THE
          STATEMENT IS FILED PURSUANT TO RULE 13D-1(B):

          BY SIGNING BELOW I CERTIFY THAT, TO THE BEST OF MY
KNOWLEDGE AND BELIEF, THE SECURITIES REFERRED TO ABOVE WERE
ACQUIRED IN THE ORDINARY COURSE OF BUSINESS AND WERE NOT ACQUIRED
FOR THE PURPOSE OF AND DO NOT HAVE THE EFFECT OF CHANGING OR
INFLUENCING THE CONTROL OF THE ISSUER OF SUCH SECURITIES AND WERE
NOT ACQUIRED IN CONNECTION WITH OR AS A PARTICIPANT IN ANY
TRANSACTION HAVING SUCH PURPOSES OR EFFECT.

     THIS REPORT IS NOT AN ADMISSION THAT STATE STREET BANK AND
TRUST COMPANY IS THE BENEFICIAL OWNER OF ANY SECURITIES COVERED BY
THIS REPORT, AND STATE STREET BANK AND TRUST COMPANY EXPRESSLY
DISCLAIMS BENEFICIAL OWNERSHIP OF ALL SHARES REPORTED HEREIN
PURSUANT TO RULE 13D-4.

                         SIGNATURE

     AFTER REASONABLE INQUIRY AND TO THE BEST OF MY KNOWLEDGE AND
BELIEF, I CERTIFY THAT THE INFORMATION SET FORTH IN THIS STATEMENT
IS TRUE, COMPLETE AND CORRECT.

17 NOVEMBER 2008
STATE STREET CORPORATION
STATE STREET BANK AND TRUST COMPANY,
TRUSTEE


/s/ JAYNE DONAHUE
EXECUTIVE VICE PRESIDENT