EX-21.1 3 bxpbplp-20251231ex211.htm EX-21.1
Exhibit 21.1
All of the following are subsidiaries of both BXP, Inc. and Boston Properties Limited Partnership, except Boston Properties Limited Partnership is only a subsidiary of BXP, Inc.

Entity Name |  | State of Organization
17 Hartwell JV LLC |  | Delaware
100 Federal JV LLC |  | Delaware
100 Federal Subsidiary REIT LLC |  | Delaware
100 Federal TRS LLC |  | Delaware
101 Carnegie Center Associates |  | New Jersey
121 Broadway LLC |  | Delaware
125 Broadway LLC |  | Delaware
1265 Main Office JV LLC |  | Delaware
1265 Main Office Subsidiary LLC |  | Delaware
1330 Connecticut Fitness Center TRS LLC |  | Delaware
17M Associates L.P. |  | District of Columbia
191 Spring Street Trust |  | Massachusetts
200 Fifth Avenue JV LLC |  | Delaware
200 Fifth Owner LLC |  | Delaware
206 Associates Limited Partnership |  | New Jersey
210 Associates Limited Partnership |  | New Jersey
211 Associates Limited Partnership |  | New Jersey
250 Binney LLC |  | Delaware
290 Binney LLC |  | Delaware
290 Binney JV LLC |  | Delaware
290 Binney SubREIT LLC |  | Delaware
3HBXP LLC |  | Vermont
30 Shattuck Road LLC |  | Delaware
300 Binney JV LLC |  | Delaware
300 Binney SubREIT LLC |  | Delaware
300 Binney Services LLC |  | Delaware
360 PAS Holdco LLC |  | Delaware
360 PAS Owner LLC |  | Delaware
360 PAS Promote-C LP |  | Delaware
360 PAS Promote-G LP |  | Delaware
360 PAS REIT LLC |  | Delaware
399 Services LLC |  | Delaware
40-46 Harvard Street Trust |  | Massachusetts
500 North Capitol LLC |  | Delaware
500 North Capitol Venture LLC |  | Delaware
501 K Street LLC |  | Delaware
501 K Street Property Owner LLC |  | Delaware
601 Mass Fitness Center TRS LLC |  | Delaware
635 Mass Ave LLC |  | Delaware
767 Fifth Junior Mezz LLC |  | Delaware
767 Fifth Lender LLC |  | Delaware
767 Fifth Partners LLC |  | Delaware
767 Fifth Senior Mezz LLC |  | Delaware

Entity Name |  | State of Organization
767 Fifth TRS LLC |  | Delaware
767 Venture, LLC |  | Delaware
7750 Wisconsin Avenue LLC |  | Delaware
7750 Wisconsin Avenue Owner LLC |  | Delaware
880 Winter Street Cafe LLC |  | Delaware
890 Winter Street Cafe LLC |  | Delaware
90 Church Street Limited Partnership |  | Delaware
91 Hartwell Avenue Trust |  | Massachusetts
92 Hayden Avenue Trust |  | Massachusetts
ABXP Worldgate Investments LLC |  | Delaware
AJ Lot 2R Financing LLC |  | Delaware
AJ Lot 2R LLC |  | Delaware
AJ Lot 3R Financing LLC |  | Delaware
AJ Lot 3R LLC |  | Delaware
AJ Lot 8 LLC |  | Delaware
AM Worldgate Owner LLC |  | Delaware
Annapolis Junction NFM LLC |  | Delaware
Atlantic Wharf JV LLC |  | Delaware
Atlantic Wharf Subsidiary REIT LLC |  | Delaware
Block 4 LLC |  | Delaware
BNY Tower Associates LLC |  | Delaware
BNY Tower Holdings LLC |  | Delaware
BNYTA Amenity Operator LLC |  | Delaware
Boston Properties Limited Partnership |  | Delaware
Boston Properties LLC |  | Delaware
Boston Properties Services, LLC |  | Delaware
Boston Properties TRS, Inc. |  | Delaware
BP 10 CityPoint Cafe LLC |  | Delaware
BP 103 Fourth Avenue LLC |  | Delaware
BP 111 Huntington Ave LLC |  | Delaware
BP 1265 Main LLC |  | Delaware
BP 1330 Connecticut Avenue LLC |  | Delaware
BP 1333 New Hampshire Avenue LLC |  | Delaware
BP 140 Kendrick Street Cafe LLC |  | Delaware
BP 140 Kendrick Street LLC |  | Delaware
BP 140 Kendrick Street Property LLC |  | Delaware
BP 17 Hartwell LLC |  | Delaware
BP 201 Spring Street LLC |  | Delaware
BP 230 City Point Cafe LLC |  | Delaware
BP 347 Madison Associates, LLC |  | Delaware
BP 347 Madison Developer LLC |  | Delaware
BP 399 Park Avenue LLC |  | Delaware
BP 3HB Developer LLC |  | Delaware
BP 3HB Lender LLC |  | Delaware
BP 3HB Member LLC |  | Delaware
BP 500 North Capitol LLC |  | Delaware
BP 501 K Street Member LLC |  | Delaware
BP 510 Madison Ave LLC |  | Delaware

Entity Name |  | State of Organization
BP 510 Madison HC LLC |  | Delaware
BP 510 Madison LLC |  | Delaware
BP 599 Lexington Avenue LLC |  | Delaware
BP 767 Fifth LLC |  | Delaware
BP 888 Boylston LLC |  | Delaware
BP 99 Third Avenue LLC |  | Delaware
BP AW Garage LLC |  | Delaware
BP AW Retail LLC |  | Delaware
BP AW Tower Office LLC |  | Delaware
BP AW Waterfront Office LLC |  | Delaware
BP AWRR Trustee I LLC |  | Delaware
BP AWRR Trustee II LLC |  | Delaware
BP AWTO Trustee I LLC |  | Delaware
BP AWTO Trustee II LLC |  | Delaware
BP AWTO Trustee III LLC |  | Delaware
BP Bay Colony Cafe LLC |  | Delaware
BP Bay Colony HC LLC |  | Delaware
BP Bay Colony Holdings LLC |  | Delaware
BP Bay Colony LLC |  | Delaware
BP Bedford Street Cafe LLC |  | Delaware
BP Belvidere LLC |  | Delaware
BP Cambridge Center Residential LLC |  | Delaware
BP CGC II Retail Operator LLC |  | Delaware
BP CityPoint Association Member LLC |  | Delaware
BP Crane Meadow, L.L.C. |  | Delaware
BP East Garage LLC |  | Delaware
BP EC1 Holdings LLC |  | Delaware
BP EC2 Holdings LLC |  | Delaware
BP EC3 Holdings LLC |  | Delaware
BP EC4 Holdings LLC |  | Delaware
BP Federal Street LLLC |  | Delaware
BP Five CC LLC |  | Delaware
BP Four CC LLC |  | Delaware
BP Fourth Avenue Cafe LLC |  | Delaware
BP Fourth Avenue, LLC |  | Delaware
BP Hancock LLC |  | Delaware
BP Hancock Parking LLC |  | Delaware
BP Hartwell Avenue Cafe LLC |  | Delaware
BP Hayden Avenue Cafe LLC |  | Delaware
BP Hotel JV Member LLC |  | Delaware
BP Hotel LLC |  | Delaware
BP II LLC |  | Delaware
BP III LLC |  | Delaware
BP Jones Road Cafe LLC |  | Delaware
BP Kingstowne Office Building K LLC |  | Delaware
BP Kingstowne Office Building T LLC |  | Delaware
BP Kingstowne Theatre LLC |  | Delaware
BP LOP LLC |  | Delaware

Entity Name |  | State of Organization
BP Mall Road Cafe LLC |  | Delaware
BP Management, L.P. |  | Delaware
BP Market Square North GP LLC |  | Delaware
BP Mill Road Cafe LLC |  | Delaware
BP Navy Yard Member LLC |  | Delaware
BP Navy Yard TRS LLC |  | Delaware
BP New York LLC |  | Delaware
BP Office JV Member LLC |  | Delaware
BP Podium JV Member LLC |  | Delaware
BP Prospect Place LLC |  | Delaware
BP Prucenter Acquisition LLC |  | Delaware
BP Prucenter Development LLC |  | Delaware
BP Prucenter Exeter LLC |  | Delaware
BP Prucenter Fairfield LLC |  | Delaware
BP RB Developer LLC |  | Delaware
BP Realty New Jersey, LLC |  | New Jersey
BP Realty Washington LLC |  | Delaware
BP Reservoir Place Cafe LLC |  | Delaware
BP Reservoir Place Fitness LLC |  | Delaware
BP Reservoir Place LLC |  | Delaware
BP Residential JV Member LLC |  | Delaware
BP Reston Eastgate, LLC |  | Delaware
BP RTC Member LLC |  | Delaware
BP Russia Building LLC |  | Delaware
BP Russia Wharf LLC |  | Delaware
BP Services TRS LLC |  | Delaware
BP Seven Cambridge Center LLC |  | Delaware
BP Seventeen Cambridge Center LLC |  | Delaware
BP Spring Street Cafe LLC |  | Delaware
BP Supermarket LLC |  | Delaware
BP Third Avenue LLC |  | Delaware
BP Times Square Tower Mezzanine LLC |  | Delaware
BP West Street Cafe LLC |  | Delaware
BP Weston Quarry LLC |  | Delaware
BP Weston Quarry Residential LLC |  | Delaware
BP/CGCenter I LLC |  | Delaware
BP/CGCenter II LLC |  | Delaware
BP/CGCenter MM LLC |  | Delaware
BP/CRF 901 New York Avenue LLC |  | Delaware
BP/DC 767 Fifth LLC |  | Delaware
BP/DC Properties, Inc. |  | Maryland
BP/DC REIT LLC |  | Delaware
BP/M 3HB Owner LLC |  | Delaware
BP-AJ LLC |  | Delaware
BPI EC4 LLC |  | Delaware
BPLP SMBP GP LLC |  | Delaware
BPLP SMBP LP LLC |  | Delaware
BP-M 3HB Holdco LLC |  | Delaware

Entity Name |  | State of Organization
BP-M 3HB Mezz LLC |  | Delaware
BP-M 3HB Venture LLC |  | Delaware
BP-WP Project Developer Manager LLC |  | Delaware
BXP 171 Dartmouth LLC |  | Delaware
BXP 17 Hartwell JV Member LLC |  | Delaware
BXP 180 CityPoint Cafe LLC |  | Delaware
BXP 17Fifty LLC |  | Delaware
BXP 200 Clarendon Amenity LLC |  | Delaware
BXP 200 Fifth LLC |  | Delaware
BXP 200 Fifth Management LLC |  | Delaware
BXP 2100M LLC |  | Delaware
BXP 2100 Penn LLC |  | Delaware
BXP 290 Binney Investor LLC |  | Delaware
BXP 300 Binney Investor LLC |  | Delaware
BXP 325 Main LLC |  | Delaware
BXP 360 Manager LLC |  | Delaware
BXP 343 Madison LLC |  | Delaware
BXP 360 Member LLC |  | Delaware
BXP 360 PAS Appointer LLC |  | Delaware
BXP 360 Promote GP LLC |  | Delaware
BXP 7750 Wisconsin Avenue LLC |  | Delaware
BXP Almaden Associates LP |  | Delaware
BXP Beach Cities LLC |  | Delaware
BXP 290 Coles Common LLC |  | Delaware
BXP 290 Coles Developer LLC |  | Delaware
BXP 290 Coles Preferred LLC |  | Delaware
BXP California GP LLC |  | Delaware
BXP Carnegie Owner LLC |  | Delaware
BXP Colorado Center Appointer LLC |  | Delaware
BXP Colorado Center Manager LLC |  | Delaware
BXP Colorado GP LLC |  | Delaware
BXP Colorado LP LLC |  | Delaware
BXP CP South LLC |  | Delaware
BXP EIP Flagship III LLC |  | Delaware
BXP EIP Investor LLC |  | Delaware
BXP Embarcadero Plaza LP |  | Delaware
BXP Folsom-Hawthorne LP |  | Delaware
BXP Gateway Developer LLC |  | Delaware
BXP Gateway Member LLC |  | Delaware
BXP Harrison LLC |  | Delaware
BXP Investments LLC |  | Delaware
BXP MacArthur LLC |  | Delaware
BXP Madison Centre I LLC |  | Delaware
BXP Madison Centre II LLC |  | Delaware
BXP Madison Centre Manager LLC |  | Delaware
BXP Mission 535 LP |  | Delaware
BXP NESolar One LLC |  | Delaware
BXP North First LP |  | Delaware

Entity Name |  | State of Organization
BXP Peterson LP |  | Delaware
BXP Platform 16 GP LLC |  | Delaware
BXP Platform 16 LP LLC |  | Delaware
BXP Project 11 LLC |  | Delaware
BXP Ravendale LP |  | Delaware
BXP Research Park LP |  | Delaware
BXP Reston Next Developer LLC |  | Delaware
BXP Reston Next Member LLC |  | Delaware
BXP Safeco Plaza Appointer LLC |  | Delaware
BXP Safeco Plaza Manager LLC |  | Delaware
BXP Safeco Plaza Member LLC |  | Delaware
BXP Safeco Plaza Promote GP LLC |  | Delaware
BXP Second Ave LLC |  | Delaware
BXP Shady Grove Lot 5 LLC |  | Delaware
BXP Shady Grove Lot 6 LLC |  | Delaware
BXP Shady Grove Lot 7 LLC |  | Delaware
BXP Shady Grove Lot 8 LLC |  | Delaware
BXP Site K LLC |  | Delaware
BXP TB Development LP |  | Delaware
BXP Transbay Management LLC |  | Delaware
BXP Vault Owner LLC |  | Delaware
BXP VPPA One LLC |  | Delaware
BXP Waltham Woods LLC |  | Delaware
BXP West El Camino LP |  | Delaware
BXP Worldgate Developer LLC |  | Delaware
BXP Worldgate Member LLC |  | Delaware
CA-Colorado Center Limited Partnership |  | Delaware
CA-Colorado Center, L.L.C. |  | Delaware
CAB 290 Coles Holdco LLC |  | Delaware
CAB 290 Coles Manager LLC |  | Delaware
CAB 290 Coles Owner LLC |  | Delaware
CAB 290 Coles SubREIT LLC |  | Delaware
CAB 290 Coles TRS LLC |  | Delaware
CAB 290 Coles Venture LLC |  | Delaware
Cambridge Center North Trust |  | Massachusetts
Cambridge Center West Garage LLC |  | Delaware
Cambridge Center West Trust |  | Massachusetts
Carnegie 103 Associates, LLC |  | Delaware
Carnegie 214 Associates Limited Partnership |  | New Jersey
Carnegie 408 Associates, LLC |  | Delaware
Carnegie 504 Associates |  | New Jersey
Carnegie 506 Associates |  | New Jersey
Carnegie 508 Associates |  | New Jersey
Carnegie 510 Associates, L.L.C. |  | Delaware
Carnegie 804 Associates, LLC |  | Delaware
Carnegie Center Associates |  | New Jersey
Carnegie Center Cafes LLC |  | Delaware
Carnegie Center Fitness LLC |  | Delaware

Entity Name |  | State of Organization
Discovery Square, L.L.C. |  | Delaware
Downtown Boston Properties Trust |  | Massachusetts
Elandzee Trust |  | Massachusetts
Eleven Cambridge Center Trust |  | Massachusetts
Embarcadero Center Associates |  | California
Four Embarcadero Center Venture |  | California
Fourteen Cambridge Center Trust |  | Massachusetts
Gladden Properties LLC |  | Delaware
Harrison 759 LP |  | Delaware
Hayden Office Trust |  | Massachusetts
Hotel Tower Developer LLC |  | Delaware
Hotel Tower Owner GP, LLC |  | Delaware
Hotel Tower Owner, LP |  | Delaware
IXP, LLC |  | Vermont
JV 347 Madison LLC |  | Delaware
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
No. 1 Times Square Development LLC |  | Delaware
No. 5 Times Square Development LLC |  | Delaware
NY 510 Junior Mezz Lender LLC |  | Delaware
NYXP, LLC |  | Vermont
Ocean View Development Company Limited Partnership |  | District of Columbia
Office Tower Developer LLC |  | Delaware
Office Tower Owner GP, LLC |  | Delaware
Office Tower Owner, LP |  | Delaware
Office Venture LLC |  | Delaware
One Cambridge Center Trust |  | Massachusetts
One Embarcadero Center Venture |  | California
One Freedom Square, L.L.C. |  | Delaware
One Tower Center Cafe LLC |  | Delaware
Platform 16 Developer LLC |  | Delaware
Platform 16 Holdings LP |  | Delaware
Platform 16 Sub LLC |  | Delaware
Platform 16 LLC |  | Delaware
Podium Developer LLC |  | Delaware
Podium Owner GP, LLC |  | Delaware
Podium Owner, LP |  | Delaware
Podium Venture LLC |  | Delaware
PR II/BXP Reston Gateway LLC |  | Delaware
Princeton 202 Associates Limited Partnership |  | New Jersey
Princeton Childcare Associates Limited Partnership |  | New Jersey
Residential Tower Developer LLC |  | Delaware
Residential Tower Owner GP, LLC |  | Delaware
Residential Tower Owner, LP |  | Delaware

Entity Name |  | State of Organization
Reston Corporate Center Limited Partnership |  | Virginia
Reston Gateway Condo A/B, LLC |  | Delaware
Reston Gateway Condo C, LLC |  | Delaware
Reston Gateway Condo D1, LLC |  | Delaware
Reston Gateway Condo D2, LLC |  | Delaware
Reston Gateway Condo D3, LLC |  | Delaware
Reston Streets LLC |  | Delaware
Reston Town Center JV LLC |  | Delaware
Reston Town Center Office Park Phase One Limited Partnership |  | Virginia
Reston Town Center Property LLC |  | Delaware
Reston VA 939, L.L.C. |  | Delaware
Rosecrans-Sepulveda Partners 4, LLC |  | Delaware
RTC Gift Card LLC |  | Delaware
Russia Building TRS LLC |  | Delaware
Safeco Plaza LLC |  | Delaware
Safeco Plaza Promote-G LP |  | Delaware
Safeco Plaza Promote-K LP |  | Delaware
Safeco Plaza REIT LLC |  | Delaware
School Street Associates Limited Partnership |  | District of Columbia
SCV Partners |  | New Jersey
SMBP LLC |  | Delaware
SMBP REIT LLC |  | Delaware
SMBP Venture LLC |  | Delaware
South of Market Garage LLC |  | Delaware
South of Market LLC |  | Delaware
South of Market Lot 16 LLC |  | Delaware
Springfield 6601 LLC |  | Delaware
Springfield Metro Center II, LLC |  | Delaware
Square 54 Office Fitness TRS LLC |  | Delaware
Square 54 Office Owner LLC |  | Delaware
Square 54 Residential Owner LLC |  | Delaware
Stony Brook Associates LLC |  | Delaware
Sub REIT 343 Madison LLC |  | Delaware
Ten Cambridge Center Trust |  | Massachusetts
The Atlantic Monthly Trust |  | Massachusetts
The Double B Trust |  | Massachusetts
Three Cambridge Center Trust |  | Massachusetts
Three Embarcadero Center Venture |  | California
Times Square Tower Associates LLC |  | Delaware
Tower Oaks Financing LLC |  | Delaware
Tracer Lane Trust II |  | Massachusetts
Transbay Tower Holdings LP |  | Delaware
Transbay Tower LP |  | Delaware
TST Amenities TRS LLC |  | Delaware
Two Cambridge Center Trust |  | Massachusetts
Two Freedom Square, L.L.C. |  | Delaware
View Boston Attraction LLC |  | Delaware
View Boston Attraction Owner LLC |  | Delaware

Entity Name |  | State of Organization
View Boston Icon I LLC |  | Delaware
View Boston Icon II LLC |  | Delaware
View Boston Improvements Lender LLC |  | Delaware
Washingtonian North Associates Limited Partnership |  | Maryland
Weston Quarry Café LLC |  | Delaware
Wisconsin Place Office LLC |  | Delaware
Wisconsin Place Office Manager LLC |  | Delaware
WP Project Developer LLC |  | Delaware
WP Trust |  | Massachusetts
Zee Bee Trust II |  | Massachusetts
Zee Em Trust II |  | Massachusetts