Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  O'Shea Kevin P.
 2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2013		 3. Issuer Name and Ticker or Trading Symbol
AVALONBAY COMMUNITIES INC [AVB]
(Last)
(First)
(Middle)
671 N. GLEBE ROAD, SUITE 800		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

ARLINGTON, VA 22203		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $.01 per share 2,726 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options (Right to Buy) 02/08/2008(2) 02/08/2017 Common Stock 3,166 (3) $ 143.34 D  
Employee Stock Options (Right to Buy) 02/11/2011(4) 02/11/2020 Common Stock 676 (3) $ 74.2 D  
Employee Stock Options (Right to Buy) 02/16/2012(5) 02/16/2021 Common Stock 1,371 (3) $ 115.83 D  
Employee Stock Options (Right to Buy) 02/16/2013(6) 02/16/2022 Common Stock 2,185 (3) $ 132.95 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
O'Shea Kevin P.
671 N. GLEBE ROAD
SUITE 800
ARLINGTON, VA 22203		       Executive Vice President  

Signatures

By Catherine T. White under Power of Attorney dated as of December 13, 2012 01/04/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Includes restricted shares granted under the Company's Stock Incentive Plan which are subject to vesting.
(2) These options were granted on 02/08/2007 and became exercisable in three equal installments beginning 02/08/2008.
(3) The reporting person holds a total of 7,398 options to purchase the issuer's common stock granted on various dates with varying exercise prices and vesting dates.
(4) These options were granted on 02/11/2010 and became exercisable in three equal installments beginning 02/11/2011.
(5) These options were granted on 02/16/2011 and became exercisable in three equal installments beginning 02/16/2012.
(6) These options were granted on 02/16/2012 and became exercisable in three equal installments beginning 02/16/2013.

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