Exhibit

Exhibit 21.1

SUBSIDIARY LIST (BY JURISDICTION)

California



	San Francisco Bay Partners II, Ltd.

Connecticut



	Bronxville West, LLC
	Forestbroad LLC
	Smithtown Galleria Associates Limited Partnership
	Town Close Associates Limited Partnership

Delaware



	1100 First DC, LLC
	1865 Broadway For-Sale, LLC
	1865 Broadway Retail, LLC
	Alameda Financing, L.P.
	AMP Apartments Subtenant, LLC
	AMP Apartments, LLC
	AMP Manager LLC
	API Emeryville Parkside LLC
	Archstone Bay Club Marina LP
	Archstone Camargue III LLC
	Archstone Carillon Point GP LLC
	Archstone Carillon Point LP
	Archstone Carillon Point REIT GP LLC
	Archstone Carillon Point REIT LP
	Archstone Communities LLC
	Archstone DC Master Holdings LLC
	Archstone DC One Holdings LLC
	Archstone Del Mar Station LLC
	Archstone Developer LLC
	Archstone East 33rd Street GP LLC
	Archstone East 33rd Street LP
	Archstone East 33rd Street Master Lessee GP LLC
	Archstone East 33rd Street Master Lessee LP
	Archstone East 33rd Street REIT GP LLC
	Archstone East 33rd Street REIT LP
	Archstone East 39th Street (Nominee) GP LLC
	Archstone East 39th Street (Nominee) LP
	Archstone East 39th Street Holdings GP LLC
	Archstone East 39th Street Holdings LP
	Archstone East 39th Street Land LLC
	Archstone East 39th Street Principal GP LLC
	Archstone East 39th Street Principal LP



	Archstone Grosvenor Tower GP LLC
	Archstone Grosvenor Tower LP
	Archstone Grosvenor Tower REIT GP LLC
	Archstone Grosvenor Tower REIT LP
	Archstone HoldCO CM LLC
	Archstone Huntington Beach College Park LLC
	Archstone Huntington Beach Member LLC
	Archstone Legacy Place GP LLC
	Archstone Legacy Place LP
	Archstone Legacy Place REIT GP LLC
	Archstone Legacy Place REIT LP
	Archstone Lexington Apartments GP LLC
	Archstone Lexington Apartments LP
	Archstone Lincoln Towers LLC
	Archstone Long Beach GP LLC
	Archstone Long Beach LP
	Archstone Marina Bay GP LLC
	Archstone Marina Bay LP
	Archstone Marina Bay Nominee LP
	Archstone Marina Bay REIT GP LLC
	Archstone Marina Bay REIT LP
	Archstone Master Property Holdings LLC
	Archstone Memorial Heights Villages I LLC
	Archstone Multifamily Partners AC Asset Manager LLC
	Archstone Multifamily Partners AC CM LLC
	Archstone Multifamily Partners AC Funding GP LLC
	Archstone Multifamily Partners AC Funding LP
	Archstone Multifamily Partners AC GP LLC
	Archstone Multifamily Partners AC Investor I LLC
	Archstone Multifamily Partners AC Investor II LLC
	Archstone Multifamily Partners AC JV Asset Manager LLC
	Archstone Multifamily Partners AC JV CM LLC
	Archstone Multifamily Partners AC JV GP LLC
	Archstone Multifamily Partners AC JV Investor I LLC
	Archstone Multifamily Partners AC JV LP
	Archstone Multifamily Partners AC LP
	Archstone Multifamily Series II LLC
	Archstone Multifamily Series III LLC
	Archstone Multifamily Series IV LLC
	Archstone North Braeswood GP LLC
	Archstone North Braeswood LP
	Archstone North Capitol Hill 2 GP LLC
	Archstone North Capitol Hill 2 LP
	Archstone North Capitol Hill GP LLC
	Archstone North Capitol Hill LP
	Archstone Northcreek LLC



	Archstone Oak Creek I LLC
	Archstone Oak Creek II LLC
	Archstone Oakwood Arlington LLC
	Archstone Oakwood Toluca Hills LLC
	Archstone Old Town Pasadena LLC
	Archstone Parallel Residual JV 2, LLC
	Archstone Parallel Residual JV, LLC
	Archstone Parkland Gardens LLC
	Archstone Property Holdings GP LLC
	Archstone Property Holdings LLC
	Archstone Redmond Campus LLC
	Archstone Residual JV, LLC
	Archstone San Bruno III LLC
	Archstone San Bruno III-B LLC
	Archstone San Mateo Holdings LLC
	Archstone Smith Corporate Holdings LLC
	Archstone Studio 4041 GP LLC
	Archstone Studio 4041 LP
	Archstone Studio 4041 REIT GP LLC
	Archstone Studio 4041 REIT LP
	Archstone Sunnyvale GP LLC
	Archstone Sunnyvale LP
	Archstone Sunnyvale REIT GP LLC
	Archstone Sunnyvale REIT LP
	Archstone Texas Land Holdings LLC
	Archstone Thousand Oaks LLC
	Archstone Trademark JV, LLC
	Archstone Tysons Corner LLC
	Archstone Venice GP LLC
	Archstone Venice LP
	Archstone Venice REIT GP LLC
	Archstone Venice REIT LP
	Archstone Westbury (Nominee) GP LLC
	Archstone Westbury (Nominee) LP
	Archstone Westbury GP LLC
	Archstone Westbury Holdings GP LLC
	Archstone Westbury Holdings LP
	Archstone Westbury LP
	Archstone Westbury Principal GP LLC
	Archstone Westbury Principal LP
	Archstone-Smith Unitholder Services LLC
	Aria at Laurel Hill, LLC
	Arlington Square Financing, LLC
	ASN 50th Street LLC
	ASN Bear Hill LLC
	ASN Calabasas I LLC



	ASN Calabasas II LLC
	ASN La Jolla Colony LLC
	ASN Lake Mendota Investments LLC
	ASN Long Beach LLC
	ASN Los Feliz LLC
	ASN Meadows at Russett I LLC
	ASN Meadows at Russett II LLC
	ASN Monument Park LLC
	ASN Mountain View LLC
	ASN Pasadena LLC
	ASN Quincy LLC
	ASN Redmond Lakeview LLC
	ASN Redmond Park LLC
	ASN San Jose LLC
	ASN Tanforan Crossing I LLC
	ASN Tanforan Crossing II LLC
	ASN Thousand Oaks Plaza LLC
	ASN Walnut Ridge LLC
	ASN Warner Center LLC
	ASN Woodland Hills East LLC
	AVA Arts District, L.P.
	AVA Capitol Hill, LLC
	AVA Ninth, L.P.
	Avalon 210 Wall, LLC
	Avalon 55 Ninth, LLC
	Avalon 850 Boca, LLC
	Avalon Alderwood Phase I, LLC
	Avalon Anaheim Stadium, L.P.
	Avalon Arboretum, L.P.
	Avalon Arlington Acquisition, LLC
	Avalon at 318 I Street, LLC
	Avalon at Ballston, LLC
	Avalon at Diamond Heights, L.P.
	Avalon at Florham Park, LLC
	Avalon at Mission Bay III, L.P.
	Avalon at Pacific Bay, L.P.
	Avalon at Providence Park, LLC
	Avalon at Stratford, LLC
	Avalon Baker Ranch, L.P.
	Avalon Ballard, LLC
	Avalon Belltown, LLC
	Avalon Brea Place, LLC
	Avalon Brea Place Member, LLC
	Avalon Brea Place (Phase I), LLC
	Avalon Burlington, LLC
	Avalon Chino Hills, L.P.



	Avalon Columbia Pike, LLC
	Avalon Columbus Circle, LLC
	Avalon Denver West, LLC
	Avalon DownREIT V, L.P.
	Avalon Dublin Station II, L.P.
	Avalon Encino, L.P.
	Avalon Exeter, LLC
	Avalon Fair Lakes, LLC
	Avalon Fairfax City, LLC
	Avalon Fashion Valley, L.P.
	Avalon Framingham, LLC
	Avalon Glendora, L.P.
	Avalon Gold, LLC
	Avalon Great Neck, LLC
	Avalon Green II, LLC
	Avalon Grosvenor, L.P.
	Avalon Harbor East, LLC
	Avalon Hoboken, LLC
	Avalon Hoboken TRS, LLC
	Avalon Hoboken JV, LLC
	Avalon Hollywood GP, LLC
	Avalon Hollywood, L.P.
	Avalon Hunt Valley, LLC
	Avalon II Maryland Value II, L.P.
	Avalon II Maryland Value III, L.P.
	Avalon II Maryland Value IV, L.P.
	Avalon II New Jersey Value II, L.P.
	Avalon Irvine III, L.P.
	Avalon Irvine, L.P.
	Avalon Laurel, LLC
	Avalon Marlborough, LLC
	Avalon Milazzo, L.P.
	Avalon Mission Oaks, L.P.
	Avalon Monrovia, LLC
	Avalon Morningside Fee, LLC
	Avalon Morrison Park, L.P.
	Avalon Mosaic II, LLC
	Avalon Mosaic, LLC
	Avalon Nashua, LLC
	Avalon New Canaan, LLC
	Avalon New Jersey Value II, LLC
	Avalon Newport, L.P.
	Avalon Norden Place, LLC
	Avalon North Creek, LLC
	Avalon Oak Road, L.P.
	Avalon Oak Road GP, LLC



	Avalon Ocean Avenue, L.P.
	Avalon Ossining, LLC
	Avalon Overlake, LLC
	Avalon Overlake Phase II, LLC
	Avalon Park Crest, LLC
	Avalon Piscataway, LLC
	Avalon Potomac Yard, LLC
	Avalon Princeton, LLC
	Avalon Public Market, L.P.
	Avalon Public Market Parcel C, LLC
	Avalon Queen Anne, LLC
	Avalon Rancho Vallecitos, L.P.
	Avalon Riverview I, LLC
	Avalon Riverview North, LLC
	Avalon Rockwell & Lanes, LLC
	Avalon Roseland, LLC
	Avalon Run, LLC
	Avalon San Dimas, L.P.
	Avalon Shelton III, LLC
	Avalon Shipyard, LLC
	Avalon Somers, LLC
	Avalon Stuart, LLC
	Avalon Studio 77, L.P.
	Avalon Teaneck, LLC
	Avalon Towers Bellevue, LLC
	Avalon Towson, LLC
	Avalon Union City, L.P.
	Avalon University District, LLC
	Avalon Upper Falls Limited Partnership
	Avalon Upper Falls, LLC
	Avalon Villa Bonita, L.P.
	Avalon Villa San Dimas, L.P.
	Avalon Vista, L.P.
	Avalon Walnut Creek II, L.P.
	Avalon Walnut Creek II GP, LLC
	Avalon Watch, LLC
	Avalon West Chelsea, LLC
	Avalon West Hollywood, L.P.
	Avalon West Long Branch, LLC
	Avalon White Plains II, LLC
	Avalon Willoughby West, LLC
	Avalon Wilshire, L.P.
	Avalon Winbrook Redevelopment, LLC
	Avalon Woodland Hills, L.P.
	Avalon WP I, LLC
	Avalon WP II, LLC



	Avalon WP III, LLC
	Avalon WP IV, LLC
	Avalon WP V, LLC
	Avalon WP VI, LLC
	Avalon Yonkers ATI Site, LLC
	Avalon Yonkers Sun Sites, LLC
	AvalonBay Capital Management II, LLC
	AvalonBay Fund II Subsidiary GP, LLC
	AvalonBay Trade Zone Village, LLC
	AvalonBay Value Added Fund II Feeder, L.P.
	AvalonBay Value Added Fund II, L.P.
	AvalonBay Value Added REIT II, L.P.
	AVB 1865 Broadway, LLC
	AVB Albemarle, LLC
	AVB Balboa, LLC
	AVB Bloomfield Station Urban Renewal, LLC
	AVB Boonton Bondholder, LLC
	AVB Brandywine Member, LLC
	AVB Broadway Developer, LLC
	AVB Broadway Member, LLC
	AVB Consulate, LLC
	AVB Del Rey, L.P.
	AVB Glover Park, LLC
	AVB La Mesa GP LLC
	AVB La Mesa II GP LLC
	AVB La Mesa II LP
	AVB La Mesa LP
	AVB Legacy DownREIT, LLC
	AVB Manager II, LLC
	AVB Maple Leaf Apartments GP, LLC
	AVB Maple Leaf Apartments Limited Partnership
	AVB Maple Leaf REIT, LLC
	AVB Market Common, LLC
	AVB NP II JV GP, LLC
	AVB NP II JV Investor, LLC
	AVB Opera Warehouse GP, LLC
	AVB Opera Warehouse TRS, LLC
	AVB Opera Warehouse, L.P.
	AVB Princeton Homes, LLC
	AVB Residual Parallel II, LLC
	AVB Santa Monica on Main GP LLC
	AVB Santa Monica on Main LP
	AVB Simi Valley GP LLC
	AVB Simi Valley LP
	AVB Southwest Berkeley GP LLC
	AVB Southwest Berkeley LP



	AVB Statesman, LLC
	AVB Studio City GP LLC
	AVB Studio City III-A GP LLC
	AVB Studio City III-A LP
	AVB Studio City III-B GP LLC
	AVB Studio City III-B LP
	AVB Studio City III-C GP LLC
	AVB Studio City III-C LP
	AVB Studio City LP
	AVB Trademark, LLC
	AVB Tunlaw Gardens, LLC
	AVB Walnut Creek GP LLC
	AVB Walnut Creek LP
	AVB Walnut Creek Station GP LLC
	AVB Walnut Creek Station LP
	AVB Willow Glen GP LLC
	AVB Willow Glen LP
	Bay Countrybrook L.P.
	Bay Pacific Northwest, L.P.
	Bellevue Financing, LLC
	Bloomingdale Urban Renewal, LLC
	Boonton Urban Renewal, LLC
	Bowery Place I Low-Income Operator, LLC
	Bowery Place I Manager, LLC
	BPR Sudbury Development LLC
	Briarwood Borrower, LLLP
	Capital Mezz LLC
	CG-N Affordable LLC
	CG-N Affordable Manager LLC
	CG-S Affordable LLC
	CG-S Affordable Manager LLC
	Clinton Green North, LLC
	Clinton Green South, LLC
	Clinton Green Theatre, LLC
	Courthouse Hill LLC
	Crescent Financing, LLC
	Crest Financing, L.P.
	CVP II, LLC
	CVP III, LLC
	Darien Financing, LLC
	Dermont Clinton Green, LLC
	Eaves Artesia, L.P.
	Eaves Burlington, LLC
	Edgewater Financing, LLC
	El Paseo Drive Land LLC
	Fairfax Towers Financing, L.P.



	Garden City Apartments, LLC
	Garden City SF, LLC
	Garden City Townhomes, LLC
	Glen Cove Development LLC
	Glen Cove II Development LLC
	Hayes Valley, L.P.
	La Brea Gateway LLC
	Lake Mendota Investments LLC
	Laurel Hill Private Sewer Treatment Facility, LLC
	Legacy Holdings JV, LLC
	Lexford Properties, L.P.
	Maplewood Urban Renewal, LLC
	Mark Pasadena Financing, L.P.
	Market Common Apartment Retail, LLC
	Mission Bay North Financing, L.P.
	MVP I, LLC
	Newcastle Construction Management, LLC
	Newcastle For Sale, LLC
	Newcastle Joint Venture, LLC
	Newcastle Multifamily Rental, LLC
	North Bergen Residential Urban Renewal, LLC
	North Bergen Retail Urban Renewal, LLC
	North Point Apartments GP LLC
	North Point Apartments Limited Partnership
	North Point Holdings GP LLC
	North Point Holdings LP
	North Point II Apartments, LLC
	North Point II JV, LP
	North Point II REIT, LLC
	North Point REIT LLC
	Norwalk Retail, LLC
	OEC Holdings LLC
	PHVP I GP, LLC
	PHVP I, LP
	Pleasant Hill Manager, LLC
	Pleasant Hill Transit Village Associates LLC
	Quincy Avalon, LLC
	Reservoir Community Partners, LLC
	Ridgefield Park Urban Renewal, LLC
	Roselle Park Urban Renewal, LLC
	Roselle Park VP, LLC
	Run East II Financing, LLC
	San Bruno III Financing, L.P.
	Saugus Avalon, LLC
	Shady Grove Road Financing, LLC
	Sheepshead Bay Road Lender, LLC



	Sheepshead Bay Road Manager, LLC
	Sheepshead Bay Road Owner, LLC
	Sheepshead Bay Road Partner, LLC
	Sheepshead Bay Road PM, LLC
	Silicon Valley Financing, LLC
	Smith Property Holdings Ballston Place L.L.C.
	Smith Property Holdings Consulate L.L.C.
	Smith Property Holdings Crystal Towers L.P.
	Smith Property Holdings Five (D.C.) L.P.
	Smith Property Holdings One (D.C.) L.P.
	Smith Property Holdings Reston Landing L.L.C.
	Smith Property Holdings Seven L.P.
	Sudbury Land Avalon, LLC
	Tysons West, LLC
	Union Urban Renewal, LLC
	Valet Waste Holdings, Inc.
	Wesmont Station Licensee, LLC
	Wesmont Station Residential I Urban Renewal, LLC
	Wesmont Station Residential II Urban Renewal, LLC
	Wesmont Station Retail I Urban Renewal, LLC
	Wesmont Station Retail II Urban Renewal, LLC
	West Chelsea Transaction, LLC
	West Windsor Urban Renewal, LLC
	Wharton Urban Renewal, LLC
	Woodland Park REIT Holdings GP LLC
	Woodland Park REIT Holdings LP
	Woodland Park REIT LLC
	WP Apartments GP LLC
	WP Apartments LP

District of Columbia



	4100 Massachusetts Avenue Associates, L.P.

Maryland



	Archstone
	Archstone Inc.
	Archstone Multifamily Series I Trust
	AVA Arts District GP, Inc.
	Avalon 4100 Massachusetts Avenue, Inc.
	Avalon Acton, Inc.
	Avalon at Chestnut Hill, Inc.
	Avalon at Great Meadow, Inc.
	Avalon at St. Clare, Inc.
	Avalon BFG, Inc.
	Avalon Blue Hills, Inc.



	Avalon Canton, Inc.
	Avalon Chase Glen, Inc.
	Avalon Chase Grove, Inc.
	Avalon Chino Hills Manager, Inc.
	Avalon Cohasset, Inc.
	Avalon Collateral, Inc.
	Avalon Commons, Inc.
	Avalon DownREIT V, Inc.
	Avalon Fairway Hills I Associates
	Avalon Fairway Hills II Associates
	Avalon Fairway II, Inc.
	Avalon Glendora Manager, Inc.
	Avalon Grosvenor LLC
	Avalon Hayes Valley Manager, Inc.
	Avalon Hingham, Inc.
	Avalon Hingham PM, Inc.
	Avalon Mission Oaks Manager, Inc.
	Avalon Natick, Inc.
	Avalon Oaks, Inc.
	Avalon Oaks West, Inc.
	Avalon Promenade, Inc.
	Avalon Public Market GP, Inc.
	Avalon Sharon, Inc.
	Avalon Studio 77 GP, Inc.
	Avalon Symphony Woods, Inc.
	Avalon Twinbrook Station, Inc.
	Avalon Upper Falls Limited Dividend Corporation
	Avalon West Hollywood Manager, Inc.
	AvalonBay Assembly Row, Inc.
	AvalonBay Capital Management, Inc.
	AvalonBay Construction Services, Inc.
	AvalonBay Grosvenor, Inc.
	AvalonBay NYC Development, Inc.
	AvalonBay Orchards, Inc.
	AvalonBay Traville, LLC
	AVB Development Transactions, Inc.
	AVB Northborough, Inc.
	AVB Realty Management Services, Inc.
	AVB Service Provider, Inc.
	AVB Tysons Development, Inc.
	Bay Asset Group, Inc.
	Bay Development Partners, Inc.
	Bay GP, Inc.
	Brandywine Apartments of Maryland, LLC
	California Multiple Financing, Inc.
	California San Bruno III Financing, Inc.



	Easton Avalon, Inc.
	Georgia Avenue, Inc.
	Hingham Shipyard Avalon II, Inc.
	JP Construction in Milford, Inc.
	Juanita Construction, Inc.
	Lexington Ridge-Avalon, Inc.
	Norwood Avalon, Inc.
	Pomorum Holdings, Inc.
	Smith Realty Company
	Sudbury Avalon, Inc.

Massachusetts



	855 Broadway Licensee, LLC
	AvalonBay BFG Limited Partnership
	Hingham Shipyard East Property Owners Association, Inc.
	Smith Property Holdings Cronin’s Landing L.P.

New Jersey



	Town Cove Jersey City Urban Renewal, Inc.
	Town Run Associates

New York



	Avalon Huntington Former S Corp

Virginia



	Hillwood Square Mutual Association
	Pomorum Renters Insurance Agency, LLC

FOREIGN ENTITIES:



	Pomorum Insurance Company Ltd. (Bermuda)
	Pomorum Renters Insurance Company, Ltd. (Bermuda)