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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">UNITED STATES</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">SECURITIES AND EXCHANGE COMMISSION</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Washington, D.C. 20549</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">FORM&nbsp;8-K</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">CURRENT REPORT</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">PURSUANT TO SECTION&nbsp;13 OR 15(d)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">OF THE SECURITIES EXCHANGE ACT OF 1934</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Date of Report (Date of earliest event reported):&#160; October 23, 2013</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">AVALONBAY COMMUNITIES,&nbsp;INC.</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">(Exact name of registrant as specified in its charter)</font></i></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Commission file number 1-12672</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Maryland</font></p>    </td>
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<p align="right" style="margin:0in .05in .0001pt 0in;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">77-0404318</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">(State or other jurisdiction of</font></i></p>    </td>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">(I.R.S.   Employer&nbsp;</font></i></p>    </td>
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<p style="margin:0in 0in .0001pt;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">incorporation or organization)</font></i></p>    </td>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">Identification   No.)</font></i></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Ballston Tower</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">671 N. Glebe Rd, Suite&nbsp;800</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Arlington, Virginia 22203</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">&#160;(Address of principal executive offices)(Zip code)</font></i></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">(703) 329-6300</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">(Registrant&#146;s telephone number, including area code)</font></i></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">&nbsp;</font></i></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="1" face="Times New Roman" style="font-size:8.0pt;font-style:italic;">(Former name, if changed since last report)</font></i></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.5pt;">o</font><font size="2" style="font-size:10.5pt;">&#160; Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.5pt;">o</font><font size="2" style="font-size:10.5pt;">&#160; Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.5pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.5pt;">o</font><font size="2" style="font-size:10.5pt;">&#160; Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b))</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.5pt;">o</font><font size="2" style="font-size:10.5pt;">&#160; Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
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<p style="margin:0in 0in .0001pt;text-align:justify;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 2.02.&#160; Results of Operations and Financial Condition.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On October 23, 2013, AvalonBay Communities,&nbsp;Inc. issued a press release announcing its financial results for the third quarter 2013.&#160; That release referred to certain attachments with supplemental information that were available on the Company&#146;s website.&#160; The full text of the press release, including the supplemental information and attachments referred to within the release, are furnished as Exhibit&nbsp;99.1 and Exhibit&nbsp;99.2 hereto.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 9.01.&#160; Financial Statements and Exhibits.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&nbsp; Exhibits.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press   Release of AvalonBay Communities,&nbsp;Inc. dated October 23, 2013, including   Attachments.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.2</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Supplemental   discussion of third quarter 2013 operating results (the &#147;Full Release&#148;) dated   October 23, 2013, including Attachments.</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIGNATURE</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be filed on its behalf by the undersigned hereunto duly authorized.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">AVALONBAY COMMUNITIES,&nbsp;INC.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated: October 23, 2013</font></p>    </td>
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<p style="margin:0in 0in .0001pt 35.3pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Thomas J. Sargeant</font></p>    </td>
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<p style="margin:0in 0in .0001pt 35.3pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Thomas J. Sargeant</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 35.3pt;text-indent:-10.1pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial Officer</font></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">Exhibit&nbsp;Index</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press   Release of AvalonBay Communities,&nbsp;Inc. dated October 23, 2013, including   Attachments.</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.2</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Supplemental   discussion of third quarter 2013 operating results (the &#147;Full Release&#148;) dated   October 23, 2013, including Attachments.</font></p>    </td>   </tr>  </table>
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{"company-data": {"conformed-name": "AVALONBAY COMMUNITIES INC", "cik": "0000915912", "assigned-sic": "6798", "irs-number": "770404318", "state-of-incorporation": "MD", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-12672", "film-number": "131166097"}, "business-address": {"street1": "671 N. GLEBE ROAD", "street2": "SUITE 800", "city": "ARLINGTON", "state": "VA", "zip": "22203", "phone": "7033296300"}, "mail-address": {"street1": "671 N. GLEBE ROAD", "street2": "STE 800", "city": "ARLINGTON", "state": "VA", "zip": "22203"}, "former-company": [{"former-conformed-name": "AVALON BAY COMMUNITIES INC", "date-changed": "19980618"}, {"former-conformed-name": "BAY APARTMENT COMMUNITIES INC", "date-changed": "19931208"}]}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):  October 23, 2013
AVALONBAY COMMUNITIES, INC.
(Exact name of registrant as specified in its charter)
Commission file number 1-12672
Maryland
77-0404318
(State or other jurisdiction of
(I.R.S.   Employer
incorporation or organization)
Identification   No.)
Ballston Tower
671 N. Glebe Rd, Suite 800
Arlington, Virginia 22203
(Address of principal executive offices)(Zip code)
(703) 329-6300
(Registrant's telephone number, including area code)
(Former name, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 2.02.  Results of Operations and Financial Condition.
On October 23, 2013, AvalonBay Communities, Inc. issued a press release announcing its financial results for the third quarter 2013.  That release referred to certain attachments with supplemental information that were available on the Company's website.  The full text of the press release, including the supplemental information and attachments referred to within the release, are furnished as Exhibit 99.1 and Exhibit 99.2 hereto.
Item 9.01.  Financial Statements and Exhibits.
(c)  Exhibits.
99.1
Press   Release of AvalonBay Communities, Inc. dated October 23, 2013, including   Attachments.
99.2
Supplemental   discussion of third quarter 2013 operating results (the "Full Release") dated   October 23, 2013, including Attachments.
[Remainder of page left blank intentionally]
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be filed on its behalf by the undersigned hereunto duly authorized.
AVALONBAY COMMUNITIES, INC.
Dated: October 23, 2013
By:
/s/ Thomas J. Sargeant
Thomas J. Sargeant
Chief Financial Officer
Exhibit Index
99.1
Press   Release of AvalonBay Communities, Inc. dated October 23, 2013, including   Attachments.
99.2
Supplemental   discussion of third quarter 2013 operating results (the "Full Release") dated   October 23, 2013, including Attachments.