AvalonBay Communities, Inc. is a real estate investment trust, which engages in the development, acquisition, ownership, and operation of multifamily communities. It operates through the following segments: Same Store, Other Stabilized, and Development or Redevelopment. The Same Store segment refers to the operating communities that were owned and had stabilized occupancy. The Other Stabilized segment includes all other complete communities that have stabilized occupancy. The Development or Redevelopment segment consists of communities that are under construction. The company was founded by Gilbert M. Meyer in 1978 and is headquartered in Arlington, VA.