Exhibit 21
Entity NameState of Organization
650 N. Glebe, LLCDelaware
Frederick Crossing Associates, L.C.Virginia
Frederick Crossing Retail Associates, L.C.Virginia
Real Estate Management, Inc.Maryland
Trade Rock Manager, Inc.Delaware
Washington Metro, Inc.Maryland
Washington Parking, Inc.Maryland
WashREIT 1220 19th St Grantor Trust Ownership LLCDelaware
WashREIT 1220 19th St Trustee LLCDelaware
WashREIT 1776 G St Grantor Trust Ownership LLCDelaware
WashREIT 1776 G St Trustee LLCDelaware
WashREIT 1901 Pennsylvania Ave Grantor Trust Ownership LLCDelaware
WashREIT 1901 Pennsylvania Ave Trustee LLCDelaware
WashREIT 3801 Connecticut Ave Trust Ownership LLCDelaware
WashREIT 3801 Connecticut Ave Trust Trustee LLCDelaware
WashREIT 515 King St LLCDelaware
WashREIT 860 South LLCDelaware
WashREIT 900 Dwell LLCDelaware
WashREIT Alexandria LLCDelaware
WashREIT Arlington Tower LLCDelaware
WashREIT Bradlee Shopping Center LLCDelaware
WashREIT Bull Run LLCDelaware
WashREIT Carlyle LLCDelaware
WashREIT Centre at Hagerstown LLCDelaware
WashREIT Chevy Chase Metro Center Grantor Trust Ownership LLCDelaware
WashREIT Chevy Chase Metro Center Trustee LLCDelaware
WashREIT Courthouse Square LLCDelaware
WashREIT Dulles LLCDelaware
WashREIT Frederick County Square LLCDelaware
WashREIT Germantown LLCDelaware
WashREIT Landmark LLCDelaware
WashREIT Leesburg LLCDelaware
WashREIT McNair Farms LLCDelaware
WashREIT Monument II LLCDelaware
WashREIT OP LLCDelaware
WashREIT OP Sub DC LLCDelaware
WashREIT Oxford LLCDelaware
WashREIT Park Adams Apartments LLCDelaware
WashREIT Randolph Shopping Center LLCDelaware
WashREIT Riverside Apartments LLCDelaware
WashREIT Riverside LLCDelaware
WashREIT Roosevelt Towers LLCDelaware
WashREIT Shoppes at Foxchase LLCDelaware
WashREIT Takoma Park Shopping Center LLCDelaware
WashREIT Trove Apartments LLCDelaware
WashREIT Virginia Lender LLCDelaware
WashREIT Watergate 600 OP LP (f/k/a WashREIT HW LP)Delaware
WashREIT Watkins Mill LLCDelaware



Entity NameState of Organization
WashREIT Wellington Apartments LLCDelaware
WashREIT Wellington LLCDelaware
WashREIT Westminster Shopping Center LLCDelaware
WashREIT Wheaton Park Shopping Center LLCDelaware
WRIT-2445 M, LLCDelaware
WRIT-Kenmore, LLCDelaware
WRIT 1140 CT LLCDelaware
WRIT 1227 25th Street LLCDelaware
WRIT 1775 EYE STREET LLCDelaware
WRIT 8283 Greensboro Drive LLCDelaware
WRIT ANC LLCDelaware
WRIT Crimson On Glebe Member LLCDelaware
WRIT Fairgate LLCDelaware
WRIT Frederick Crossing Associates, Inc.Maryland
WRIT Frederick Crossing Land, LLCDelaware
WRIT Frederick Crossing Lease, LLCDelaware
WRIT GATEWAY OVERLOOK LLCDelaware
WRIT Limited PartnershipDelaware
WRIT Olney Village Center LLCDelaware
WRIT PARAMOUNT LLCDelaware
WRIT SPRING VALLEY LLCDelaware
WRIT Yale West LLCDelaware