EXHIBIT 21

     The Company has the following subsidiaries. Ashwood Commons, L.L.C., Ashwood Commons North LLC, Bellevue Plaza Development LLC, LPC Millenia Place Apartments LLC, LPC Mustang Park LLC, UDR Texas Ventures LLC, K/UDR Venture LLC are joint venture entities. United Dominion Realty, L.P. is a limited partnership with outside limited partners holding minimal percentage interests. The Company owns general and limited partnership interests in United Dominion Realty, L.P. constituting 97% of the aggregate partnership interest. All other entities are wholly owned.

				State of Incorporation
Subsidiary				or Organization
20 Lambourne LLC				Delaware
AAC Funding II, Inc.				Delaware
AAC Funding IV LLC				California
AAC Funding IV, Inc.				Delaware
AAC Funding Partnership II				Delaware
AAC Funding Partnership III				Delaware
AAC Seattle I, Inc.				Delaware
AAC Vancouver I, L.P.				Washington
AAC/FSC Crown Pointe Investors, LLC				Washington
AAC/FSC Hilltop Investors, LLC				Washington
AAC/FSC Seattle Properties, LLC				Delaware
Andover House LLC				Delaware
Andover Member 1 LLC				Delaware
Andover Member 2 LLC				Delaware
Arizona Properties, LLC				Virginia
ASR Investments Corporation				Maryland
ASR of Delaware LLC				Delaware
Ashwood Commons, L.L.C.				Washington
Ashwood Commons North LLC				Washington
Bellevue JV LLC				Delaware
Bellevue Plaza Development LLC				Delaware
CMP-1, LLC				Delaware
Calvert’s Walk LLC				Delaware
Circle Towers LLC				Delaware
Coastal Monterey Properties LLC				Delaware
Coit Road, L.P.				Delaware
Consolidated-Hampton, LLC				Maryland
Continental 146 Fund LLC				Wisconsin
Coronado South Apartments, L.P.				Delaware
DCO 1015 Grandview LP				Delaware
DCO 2400 14th Street LLC				Delaware
DCO 3033 Wilshire LLC				Delaware
DCO Addison at Brookhaven LP				Delaware
DCO Arbors at Lee Vista LLC				Delaware
DCO Bennett Development LP				Delaware
DCO Borgata LLC				Delaware
DCO Brookhaven Center LP				Delaware
DCO Brooks Apartments LP				Delaware
DCO Caroline Development LLC				Delaware
DCO Clipper Pointe LP				Delaware
DCO Garden Oaks LP				Delaware

				State of Incorporation
Subsidiary				or Organization
DCO Gessner Development LP				Delaware
DCO Glenwood Apartments GP LLC				Delaware
DCO Glenwood Apartments LP				Delaware
DCO Glenwood Urban LP				Delaware
DCO Greenbrook Apartments LP				Delaware
DCO Greenhaven LP				Delaware
DCO Highlands LLC				Delaware
DCO Holdings, Inc.				Delaware
DCO Holdings LP LLC				Delaware
DCO Mill Creek LP				Delaware
DCO Millenia LLC				Delaware
DCO Option 2 LLC				Delaware
DCO Pine Avenue LP				Delaware
DCO Realty, Inc.				Delaware
DCO Realty LP LLC				Delaware
DCO Realty Surprise LLC				Delaware
DCO Realty Woodlands LP				Delaware
DCO Riachi at One21 LP				Delaware
DCO Savoye LLC				Delaware
DCO Springhaven LP				Delaware
DCO Talisker LP				Delaware
Dominion Constant Friendship LLC				Delaware
DRA I, LLC				Delaware
DRA II, LLC				Delaware
DRA Texas, LP				Delaware
FMP Member, Inc.				Delaware
Fountainhead Apartments Limited Partnership				Ohio
Governour’s Square of Columbus Co. Ltd.				Ohio
HPI 2000 Post LP				Delaware
HPI 2161 Sutter LP				Delaware
HPI Canyon Oaks LP				Delaware
HPI Option 2 LLC				Delaware
Harding Park, Inc.				Delaware
Harding Park LP LLC				Delaware
Hawthorne Apartments LLC				Delaware
Heritage Communities L.P.				Delaware
Inlet Bay at Gateway, LLC				Delaware
Jamestown of St. Matthews Limited Partnership				Ohio
Jefferson at Marina del Rey, L.P.				Delaware
Jefferson JV LLC				Delaware
Lakeside Mill LLC				Delaware
Lakeside Port Orange LLC				Delaware
Lincoln TC II, L.P.				Delaware
LPC Millenia Place Apartments LLC				Delaware
LPC Mustang Park LLC				Delaware
LPC Plantation Apartments L.P.				Delaware
MacAlpine Place Apartment Partners, Ltd.				Florida
Mandalay on the Lake LP				Delaware
Milazzo Residences LLC				Delaware
Northbay Properties II, L.P.				California
Parker’s Landing Condominiums LLC				Delaware
Parker’s Landing Townhomes LLC				Delaware
Polo Park Apartments LLC				Delaware
Polo Park Manager LLC				Delaware
RE3, Inc.				Delaware
Ridgewood (I) Townhomes, LLC				Virginia

				State of Incorporation
Subsidiary				or Organization
St. Johns GP LLC				Delaware
Sierra Palms Condominiums LLC				Delaware
The Commons of Columbia, Inc.				Virginia
Town Square Commons, LLC				District of Columbia
Trilon Townhouses, LLC				District of Columbia
UDR Altamira Place LLC				Delaware
UDR Arboretum Apartments, L.P.				Delaware
UDR Arborview Associates Limited Partnership				Maryland
UDR Aspen Creek, LLC				Virginia
UDR California GP, LLC				Delaware
UDR California GP II, LLC				Delaware
UDR California Properties, LLC				Virginia
UDR Calvert, LLC				Delaware
UDR Calvert’s Walk Associates Limited Partnership				Maryland
UDR Calverts Walk GP, LLC				Delaware
UDR Carlsbad Apartments, L.P.				Delaware
UDR Carriage Homes, LLC				Delaware
UDR Crossroads, L.P.				Delaware
UDR Developers, Inc.				Virginia
UDR Eastern Residential, Inc.				Delaware
UDR Foxglove Associates L.L.C.				Maryland
UDR Harbor Greens, L.P.				Delaware
UDR Holdings, LLC				Virginia
UDR Huntington Vista, L.P.				Delaware
UDR, Inc.				Maryland
UDR Lakeline Villas LLC				Delaware
UDR Lakeside Mills, LLC				Virginia
UDR Legacy at Mayland LLC				Delaware
UDR Lincoln at Towne Square LLC				Delaware
UDR Lincoln at Towne Square II LLC				Delaware
UDR Los Alisos, LLC				Delaware
UDR Maryland Properties, LLC				Virginia
UDR Midlands Acquisition, LLC				Delaware
UDR Newport Beach North, L.P.				Delaware
UDR Ocean Villa Apartments, L.P.				Delaware
UDR of NC, Limited Partnership				North Carolina
UDR of Tennessee, L.P.				Virginia
UDR Ohio Properties, LLC				Virginia
UDR Okeeheelee LLC				Delaware
UDR Out-Performance III, LLC				Delaware
UDR Out-Performance IV, LLC				Delaware
UDR Out-Performance V, LLC				Delaware
UDR Pinebrook, L.P.				Delaware
UDR Presidential Greens, L.L.C.				Delaware
UDR Presidio, L.P.				Delaware
UDR Rancho Cucamonga, L.P.				Delaware
UDR Red Stone Ranch LLC				Delaware
UDR Ridgewood (II) Garden, LLC				Virginia
UDR River Terrace LLC				Delaware
UDR San Dimas Bonita Apartments, L.P.				Delaware
UDR San Dimas Canyon Apartments, L.P.				Delaware
UDR South Carolina Trust				Maryland
UDR Stone Canyon LLC				Delaware
UDR Texas Properties LLC				Delaware
UDR Texas Ventures LLC				Delaware
UDR The Bradford LLC				Delaware

				State of Incorporation
Subsidiary				or Organization
UDR The Cliffs LLC				Delaware
UDR The Crest, L.P.				Delaware
UDR The Legend at Park Ten LLC				Delaware
UDR The Mandolin LLC				Delaware
UDR The Meridian LLC				Delaware
UDR TX Fund LLC				Delaware
UDR Villa Venetia Apartments, L.P.				Delaware
UDR Virginia Properties, LLC				Virginia
UDR Wellington Place LLC				Delaware
UDR Western Residential, Inc.				Virginia
UDR Windjammer, L.P.				Delaware
UDR Woodland Apartments II, L.P.				Delaware
UDR Woodland GP, LLC				Delaware
UDR/K Venture Member LLC				Delaware
UDR/Pacific Los Alisos, L.P.				Delaware
UDRT of Delaware 4 LLC				Delaware
United Dominion Realty, L.P.				Delaware
University Park Property LLC				Delaware
Waterside Towers, L.L.C.				Delaware
Windemere at Sycamore Highlands, LLC				Delaware
Winterland San Francisco Partners				California
Woodlake Village, L.P.				California