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EXHIBIT 21.1
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SUBSIDIARY STATE OF INCORPORATION/ORGANIZATION
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No. 1 Times Square Development LLC Delaware
No. 5 Times Square Development LLC Delaware
17M Acquisition Subsidiary LLC Delaware
17M Associates District of Columbia
30 Shattuck Road LLC Delaware
40-46 Harvard Street Trust Massachusetts
90 Church Street Limited Partnership Delaware
91 Hartwell Avenue Trust Massachusetts
92 Hayden Avenue Trust Massachusetts
101 Carnegie Center Associates New Jersey
191 Spring Street Trust Massachusetts
206 Associates Limited Partnership New Jersey
210 Associates Limited Partnership New Jersey
211 Associates Limited Partnership New Jersey
500 Series LLC Delaware
Big Apple Associates Limited Partnership Delaware
Boston Properties, Inc. Delaware
Boston Properties Limited Partnership Delaware
Boston Properties LLC Delaware
Boston Properties Management, Inc. Delaware
Boston Properties TRS Inc. Delaware
BP 8th Avenue Associates LLC Delaware
BP 20 F Street Limited Partnership Delaware
BP 45th Associates LLC Delaware
BP 111 Huntington Ave LLC Delaware
BP 140 Kendrick Street LLC Delaware
BP 140 Kendrick Street Property LLC Delaware
BP 201 Spring Street LLC Delaware
BP 280 Park Avenue LLC Delaware
BP 280 Park Avenue Manager Corp. Delaware
BP 280 Park Avenue Mezzanine LLC Delaware
BP 399 Park Avenue LLC Delaware
BP II LLC Delaware
BP III LLC Delaware
BP Almaden Associates LLC Delaware
BP Belvidere LLC Delaware
BP Boylston Residential LLC Delaware
BP/CGCenter Acquisition Co. LLC Delaware
BP/CGCenter I LLC Delaware
BP/CGCenter II LLC Delaware
BP/CGCenter MM LLC Delaware
BP/CGCenter MM2 LLC Delaware
BP/CG Member I LLC Delaware
BP/CG Member II LLC Delaware
BP/CG Member III LLC Delaware
BP Crane Meadow L.L.C Delaware
BP/CRF 265 Franklin Street LLC Delaware
BP/CRF 265 Franklin Street Holdings LLC Delaware
BP/CRF 265 Franklin Street Manager Corp. Delaware
BP/CRF 265 Franklin Street Mezzanine LLC Delaware
BP/CRF 901 New York Avenue LLC Delaware
BP EC1 Holdings LLC Delaware
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BP EC2 Holdings LLC Delaware
BP EC3 Holdings LLC Delaware
BP EC4 Holdings LLC Delaware
BP EC West LLC Delaware
BP Fourth Avenue L.L.C Delaware
BP Gateway Center LLC Delaware
BP Hotel LLC Delaware
BP Lending LLC Delaware
BP Lex LLC Delaware
BP Management LP Delaware
BP OFR LLC Delaware
BP Prucenter Acquisition LLC Delaware
BP Prucenter Development LLC Delaware
BP Realty New Jersey LLC New Jersey
BP Reston Eastgate LLC Delaware
BP Supermarket LLC Delaware
BP Weston Quarry LLC Delaware
Broad Run Business Center Property Association Virginia
Cambridge Center North Trust Massachusetts
Cambridge Center West Associates Limited Partnership Massachusetts
Cambridge Center West Trust Massachusetts
Cambridge Group LLC Delaware
Candler Associates L.L.C. Maryland
Carnegie 214 Associates Limited Partnership New Jersey
Carnegie 504 Associates New Jersey
Carnegie 506 Associates New Jersey
Carnegie 508 Associates New Jersey
Carnegie 510 Associates L.L.C. Delaware
Carnegie Center Associates New Jersey
CRF Met Square LLC Delaware
Decoverly Two Limited Partnership Maryland
Decoverly Four Limited Partnership Maryland
Decoverly Five Limited Partnership Maryland
Decoverly Six Limited Partnership Maryland
Decoverly Seven Limited Partnership Maryland
Democracy Associates Limited Partnership Maryland
Democracy Financing LLC Delaware
Discovery Square L.L.C. Delaware
Downtown Boston Properties Trust Massachusetts
East Pratt Street Associates Limited Partnership Maryland
Elandzee Trust Massachusetts
Eleven Cambridge Center Trust Massachusetts
Embarcadero Center Associates California
Embarcadero Center, Inc. California
Four Embarcadero Center Venture California
Fourteen Cambridge Center Trust Massachusetts
Gateway Center LLC Delaware
Hayden Office Trust Massachusetts
IPX Inc. Vermont
Jones Road Development Associates LLC Delaware
Lexreal Associates Limited Partnership New York
LKE BP Fourth Avenue Limited Partnership Massachusetts
Mall Road Trust Massachusetts
Market Square North Associates Limited Partnership Delaware
MBZ-Lex Trust Massachusetts
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MGA Virginia 85-1 Limited Partnership Virginia
MGA Virginia 86-1 Limited Partnership Virginia
MGA Virginia 86-2 Limited Partnership Virginia
Montgomery Village Avenue Joint Venture Limited Maryland
Partnership
New Dominion Technology Corp. Delaware
New Dominion Technology Park LLC Delaware
New Dominion Technology Park II LLC Delaware
Ocean View Development Company Limited Partnership District of Columbia
One Cambridge Center Trust Massachusetts
One Embarcadero Center Venture California
One Freedom Square, L.L.C. Delaware
Pratt Street Financing, LLC Delaware
Princeton 202 Associates Limited Partnership New Jersey
Princeton Childcare Associates Limited Partnership New Jersey
Reston Corporate Center Limited Partnership Virginia
Reston Town Center Office Park Phase One Limited Virginia
Partnership
Reston VA 939, LLC Delaware
School Street Associates Limited Partnership District of Columbia
SCV Partners New Jersey
Skyline Holdings LLC Delaware
Southwest Market Limited Partnership District of Columbia
Square 36 Office Joint Venture District of Columbia
Square 407 Limited Partnership District of Columbia
Stony Brook Associates LLC Delaware
Ten Cambridge Center Trust Massachusetts
The Double B Partnership Massachusetts
The Metropolitan Square Associates LLC District of Columbia
Three Cambridge Center Trust Massachusetts
Three Embarcadero Center Venture California
Tower Oaks Financing LLC Delaware
Tracer Lane Trust II Massachusetts
Two Cambridge Center Trust Massachusetts
Two Freedom Square L.L.C. Delaware
Washingtonian North Associates Limited Partnership Maryland
Zee Bee Trust II Massachusetts
Zee Em Trust II Massachusetts
ZL Hotel Corp. Massachusetts
ZL Hotel LLC Delaware
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