Exhibit 21.1

SUBSIDIARY LIST (BY JURISDICTION)

California

230 Bay Place, L.P.

Bay Rincon, L.P.

Foxchase Drive San Jose Partners II, L.P.

San Francisco Bay Partners II, Ltd.

San Francisco Bay Partners III, L.P.

Toyon Road San Jose Partners, L.P.

Connecticut

Bronxville West, LLC

Forestbroad LLC

Hollow Tree Road Development, LLC

Smithtown Galleria Associates Limited Partnership

Town Close Associates Limited Partnership

Town Grove, LLC

Delaware

4600 Eisenhower Avenue, LLC

AIV I, LLC

Avalon Arbor, LLC

Avalon Ballston II, L.P.

Avalon California Value I, LLC

Avalon Del Rey Apartments, LLC

Avalon DownREIT V, L.P.

Avalon Grosvenor, L.P.

Avalon Illinois Value I, LLC

Avalon Maryland Value I, LLC

Avalon New Rochelle II, LLC

Avalon Park Tower, LLC

Avalon Riverview I, LLC

Avalon Riverview II, LLC

Avalon Riverview III, LLC

Avalon Terrace LLC

Avalon Upper Falls Limited Partnership

Avalon Upper Falls, LLC

Avalon Washington Value Ravenswood, LLC

AvalonBay Redevelopment LLC

AvalonBay Value Added Fund, L.P.

Bay Countrybrook L.P.

Bay Pacific Northwest, L.P.

CVP I, LLC

CVP II, LLC

Chrystie Venture Partners, LLC

Downtown Manhattan Residential LLC

Glen Cove Development LLC

Glen Cove II Development LLC

Mission Bay Venture Partners, LLC

MVP I, LLC

Tyson’s West, LLC

District of Columbia

4100 Massachusetts Avenue Associates, L.P.

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Maryland

AVB Service Provider, Inc.

Avalon 4100 Massachusetts Avenue, Inc.

Avalon BFG, Inc.

Avalon Ballston II, Inc.

Avalon Chase Glen, Inc.

Avalon Chase Grove, Inc.

Avalon at Chestnut Hill, Inc.

Avalon Cohasset, Inc.

Avalon Collateral, Inc.

Avalon Commons, Inc.

Avalon Decoverly, Inc.

Avalon Development Services, Inc.

Avalon DownREIT V, Inc.

Avalon Fairway Hills I Associates

Avalon Fairway Hills II Associates

Avalon Fairway II, Inc.

Avalon Grosvenor LLC

Avalon Mills, Inc.

Avalon Oaks West, Inc.

Avalon Oaks, Inc.

Avalon Promenade, Inc.

Avalon Rock Spring Associates, LLC

Avalon Sharon, Inc.

Avalon Town Green II, Inc.

Avalon Town Meadows, Inc.

Avalon Town View, Inc.

Avalon University Station I, LLC

Avalon University Station II, LLC

Avalon Upper Falls Limited Dividend Corporation

Avalon Village North, Inc.

Avalon Village South, Inc.

Avalon Wilson Blvd, Inc.

Avalon at Great Meadow, Inc.

Avalon at St. Clare, Inc.

AvalonBay Arna Valley, Inc.

AvalonBay Capital Management, Inc.

AvalonBay Construction Services, Inc.

AvalonBay Grosvenor, Inc.

AvalonBay Ledges, Inc.

AvalonBay NYC Development, Inc.

AvalonBay Orchards, Inc.

AvalonBay Parking, Inc.

AvalonBay Services I, Inc.

AvalonBay Services II, Inc.

AvalonBay Traville, LLC

AvalonBay Value Added Fund, Inc.

Bay Asset Group, Inc.

Bay Development Partners, Inc.

Bay GP, Inc.

Bay Waterford, Inc.

JP Construction in Milford, Inc.

Juanita Construction, Inc.

Georgia Avenue, Inc.

Lexington Ridge-Avalon, Inc.

Shady Grove Road Development, LLC

Shady Grove Road Property, LLC

Traville Senior Living, LLC

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Massachusetts

AvalonBay BFG Limited Partnership

New Jersey

Quakerbridge Road Development, LLC

Town Cove II Jersey City Urban Renewal, Inc.

Town Cove Jersey City Urban Renewal, Inc.

Town Run Associates

Virginia

Arna Valley View Limited Partnership

Avalon Decoverly Associates Limited Partnership

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