AvalonBay Communities, Inc. (NYSE: ) is a member of the S&P 500, a publicly traded real estate investment trust headquartered in Arlington, VA. The company develops, redevelops, acquires and manages more than 170 apartment communities in United States markets that are defined as high barrier-to-entry. AvalonBay Communities Inc. maintains regional, administrative, and/or specialty offices in or near the following cities: San Jose, CA; San Francisco, CA; Shelton, CT; Boston, MA; Chicago, IL; Newport Beach, CA; New York, NY; Woodbridge, NJ; Virginia Beach, VA; and Seattle, WA.  Wikipedia