Apartment Investment and Management Company (Aimco) is a self-administered and self-managed real estate investment trust (REIT). Aimco, through its subsidiaries, AIMCO-GP, Inc. and AIMCO-LP Trust, holds the ownership interests in the Aimco Operating Partnership. It operates through two segments: conventional real estate and affordable real estate. As of December 31, 2016, its real estate portfolio consisted of 189 apartment communities with 46,311 apartment homes. Aimco Operating Partnership conducts the Company's business, which is focused on the ownership, management, redevelopment and limited development of apartment communities located in the coastal and job growth markets of the United States. Its Conventional segment consists of apartment communities it classifies as Conventional Same Store and Conventional Non-Same Store. Its affordable portfolio consists primarily of apartment communities that it manages that are owned through low-income housing tax credit partnerships.