Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
BLAIR BRYCE
   2. Issuer Name and Ticker or Trading Symbol
AVALONBAY COMMUNITIES INC [AVB] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO
(Last)
(First)
(Middle)
C/O AVALONBAY COMMUNITIES, INC., BALLSTON TOWER, 671 N. GLEBE ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
06/15/2011
(Street)

ARLINGTON, VA 22203		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $.01 per share 06/15/2011   M   105,550 A $ 96.19 371,310.4657 (1) D  
Common Stock, par value $.01 per share 06/15/2011   S   102,850 D $ 130.2833 (2) 268,460.4657 (1) D  
Common Stock, par value $.01 per share 06/15/2011   S   2,700 D $ 131.1074 (3) 265,760.4657 (1) D  
Common Stock, par value $.01 per share 06/16/2011   M   59,500 A $ 96.19 325,260.4657 (1) D  
Common Stock, par value $.01 per share 06/16/2011   S   59,500 D $ 130.1946 (4) 265,760.4657 (1) D  
Common Stock, par value $.01 per share 06/16/2011   A   67,679 A $ 0 (5) 333,439.4657 (1) D  
Common Stock, par value $.01 per share 06/16/2011   F   14,166 (6) D $ 128.73 319,273.4657 (1) D  
Common Stock, par value $.01 per share               310 (7) I Held in trust for children

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Right to Buy) $ 96.19 06/15/2011   M     105,550 02/09/2007(8) 02/09/2016 Common Stock 105,550 $ 0 (8) 89,539 (9) D  
Stock Options (Right to Buy) $ 96.19 06/16/2011   M     59,500 02/09/2007(8) 02/09/2016 Common Stock 59,500 $ 0 (8) 30,039 (10) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BLAIR BRYCE
C/O AVALONBAY COMMUNITIES, INC.
BALLSTON TOWER, 671 N. GLEBE ROAD
ARLINGTON, VA 22203		   X     CEO  

Signatures

 By Catherine T. White under Power of Attorney dated as of January 20 2009   06/17/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The amount of securities owned following the reported transaction reflects direct ownership of all shares of common stock, including restricted shares.
(2) The transaction was executed in multiple trades at prices ranging from $130.00 to $130.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(3) The transaction was executed in multiple trades at prices ranging from $131.00 to $131.18. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(4) The transaction was executed in multiple trades at prices ranging from $130.00 to $130.52. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(5) Reflects the settlement of Deferred Stock Awards granted under the Company's 1994 Stock Option and Incentive Plan in the form of shares of restricted and unrestricted stock following the June 16, 2011, determination by the Compensation Committee of the Company's Board of Directors that goals had been fully achieved under the Company's three year 2008 Performance Plan.
(6) Reflects withholding of shares by the Company to cover tax withholding obligations due on receipt of unrestricted stock.
(7) No transaction is reported. Reflects shares held in trust for children.
(8) The options exercised were included in options granted under the issuer's stock option and incentive plan on February 9, 2006, which become exercisable in three annual installments beginning on February 9, 2007.
(9) Following the reported transaction, the reporting person held a total of 500,097 options to purchase the issuer's common stock granted on various dates and with varying exercise prices and vesting dates.
(10) Following the reported transaction, the reporting person holds a total of 440,597 options to purchase the issuer's common stock granted on various dates and with varying exercise prices and vesting dates.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.