United Dominion Realty, L.P. operates as a self-administered real estate investment trust (REIT). It owns, acquires, renovates, develops, redevelops, and manages apartment communities in select markets in the United States. As of March 31, 2011, the company’s consolidated apartment portfolio included 172 communities located in 10 states and the District of Columbia, with a total of 48,553 completed apartment homes, which are held through operating partnerships. It also has ownership interest in 26 operating communities containing 5,748 apartment homes and 11 land parcels with the potential to develop approximately 2,300 additional apartment homes through unconsolidated joint ventures.
UDR is real estate trust that owns, acquires, renovates, develops and manages apartment communities nationwide. It operates through its subsidiaries, which include two operating partnerships, Heritage Communities L.P. and Union Dominion Realty, L.P and RE3, a subsidiary which focuses on development, land entitlement and short-term hold investments.