SEC Schedule, Article 12-28, Real Estate and Accumulated Depreciation

12 Months Ended

Dec. 31, 2024

SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]

SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block]

Item 15. Exhibits and Financial Statement Schedules.

(a) Financial Statement Schedule


BXP, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
Property Name	Type	Location	Encumbrances			Original				Costs Capitalized Subsequent to Acquisition		Land and Improvements		Building and Improvements		Land Held for Development		Development and Construction in Progress		Total		Accumulated Depreciation		Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)

						Land		Building
767 Fifth Avenue (the General Motors Building)	Office	New York, NY	$	2,291,498		$	1,796,252	$	1,532,654	$	393,520	$	1,796,252	$	1,926,174	$	—	$	—	$	3,722,426	$	567,621	1968/2019	2013	(1)
Prudential Center	Office	Boston, MA	—			92,077		948,357		833,604		115,632		1,758,406		—		—		1,874,038		821,046		1965/1993/2002/2016-2017/2024	1998/1999/2000	(1)
Embarcadero Center	Office	San Francisco, CA	—			179,697		847,410		570,259		195,986		1,401,380		—		—		1,597,366		829,400		1970/1989	1998-1999	(1)
399 Park Avenue	Office	New York, NY	—			339,200		700,358		419,566		354,107		1,105,017		—		—		1,459,124		522,555		1961/2018	2002	(1)
601 Lexington Avenue	Office	New York, NY	990,529			241,600		494,782		568,356		289,639		1,015,099		—		—		1,304,738		398,796		1977/1997/2021	2001	(1)
200 Clarendon Street and Garage	Office	Boston, MA	—			219,543		667,884		288,694		257,203		918,918		—		—		1,176,121		370,980		1976	2010	(1)
Salesforce Tower	Office	San Francisco, CA	—			200,349		946,205		7,655		200,349		953,860		—		—		1,154,209		188,376		2018	2013	(1)
250 West 55th Street	Office	New York, NY	—			285,263		603,167		51,331		285,263		654,498		—		—		939,761		215,386		2014	2007	(1)
100 Federal Street	Office	Boston, MA	—			131,067		435,954		138,639		131,067		574,593		—		—		705,660		189,447		1971-1975/2017	2012	(1)
7 Times Square (formerly Times Square Tower)	Office	New York, NY	—			165,413		380,438		149,990		169,193		526,648		—		—		695,841		264,411		2004	2000	(1)
Madison Centre	Office	Seattle, WA	—			104,641		564,336		5,126		104,641		569,462		—		—		674,103		56,212		2017	2022	(1)
Carnegie Center	Office	Princeton, NJ	—			142,666		316,856		184,814		94,243		491,116		58,977		—		644,336		279,961		1983-2016	1998/1999/2000/2007/2014/2017/2019	(1)
Santa Monica Business Park	Office	Los Angeles, CA	198,021			46,360		410,421		177,576		210,471		423,775		111		—		634,357		18,660		1976-1980	2023	(1)
Reston Next	Office	Reston, VA	—			35,549		525,277		5,860		2,901		563,785		—		—		566,686		51,052		2022	1998	(1)
Atlantic Wharf	Office	Boston, MA	—			63,988		454,537		42,166		63,988		496,703		—		—		560,691		195,192		2011	2007	(1)
2100 Pennsylvania Avenue	Office	Washington, DC	—			185,203		324,206		4,433		185,203		328,639		—		—		513,842		34,319		2023	N/A	(1)
599 Lexington Avenue	Office	New York, NY	—			81,040		100,507		269,410		87,852		363,105		—		—		450,957		212,251		1986	1997	(1)
Fountain Square	Office	Reston, VA	—			56,853		306,298		56,795		56,853		363,093		—		—		419,946		125,277		1986-1990	2012	(1)
510 Madison Avenue	Office	New York, NY	—			103,000		253,665		37,287		103,000		290,952		—		—		393,952		111,209		2012	2010	(1)
325 Main Street	Office	Cambridge, MA	—		(2)	21,596		312,492		42,325		21,596		354,817		—		—		376,413		25,113		2022	1997	(1)
680 Folsom Street	Office	San Francisco, CA	—			72,545		219,766		12,577		72,545		232,343		—		—		304,888		87,930		2014	2012	(1)
145 Broadway	Office	Cambridge, MA	—			121		273,013		26,980		23,367		276,747		—		—		300,114		43,888		2019	1997	(1)
2200 Pennsylvania Avenue	Office	Washington, DC	—			—		183,541		116,540		101,734		198,347		—		—		300,081		75,450		2011	2008	(1)
South of Market and Democracy Tower	Office	Reston, VA	—			13,603		237,479		31,096		13,687		268,491		—		—		282,178		118,780		2008-2009	2003	(1)
Bay Colony Corporate Center	Office	Waltham, MA	—			18,789		148,451		95,025		18,789		238,765		4,711		—		262,265		118,253		1985-1989	2011	(1)
535 Mission Street	Office	San Francisco, CA	—			40,933		148,378		6,325		40,934		154,702		—		—		195,636		50,973		2015	2013	(1)


BXP, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
Property Name	Type	Location	Encumbrances		Original		Costs Capitalized Subsequent to Acquisition	Land and Improvements	Building and Improvements	Land Held for Development	Development and Construction in Progress	Total	Accumulated Depreciation	Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)

					Land	Building
Mountain View Research Park	Office	Mountain View, CA	—		95,066	68,373	21,315	95,066	89,688	—	—	184,754	37,048	1977-1981/2007-2013	2013	(1)
Reservoir Place	Office	Waltham, MA	—		18,605	104,124	55,829	20,108	158,450	—	—	178,558	91,828	1955/1987/2017	1997/1998	(1)
140 Kendrick Street	Office	Needham, MA	—		18,095	66,905	72,615	19,092	138,523	—	—	157,615	52,387	2000/2023	2004	(1)
901 New York Avenue	Office	Washington, DC	201,692		65,808	72,970	13,225	65,808	86,195	—	—	152,003	4,253	2004	2024	(1)
1330 Connecticut Avenue	Office	Washington, DC	—		25,982	82,311	39,773	27,135	120,931	—	—	148,066	58,777	1984/2018	2004	(1)
One Freedom Square	Office	Reston, VA	—		9,929	84,504	47,580	11,293	130,720	—	—	142,013	73,356	2000	2003	(1)
Two Freedom Square	Office	Reston, VA	—		13,930	77,739	46,236	15,420	122,485	—	—	137,905	50,676	2001	2003	(1)
One and Two Reston Overlook	Office	Reston, VA	—		16,456	66,192	49,596	16,179	116,065	—	—	132,244	64,247	1999	2000	(1)
Kingstowne Towne Center	Office	Alexandria, VA	—		18,021	109,038	4,296	18,062	113,293	—	—	131,355	57,756	2003-2006	2007	(1)
Weston Corporate Center	Office	Weston, MA	—		25,753	92,312	1,630	25,854	93,841	—	—	119,695	44,575	2010	2001	(1)
Discovery Square	Office	Reston, VA	—		11,198	71,782	33,904	12,533	104,351	—	—	116,884	62,220	2001	2003	(1)
Shady Grove Innovation District	Office	Rockville, MD	—		52,030	64,212	(284)	26,834	35,014	54,110	—	115,958	5,526	1968-1985	2021	(1)
355 Main Street	Office	Cambridge, MA	594,869		18,863	53,346	41,772	21,173	92,808	—	—	113,981	39,649	1981/1996/2013	2006	(1)
17Fifty Presidents Street	Office	Reston, VA	—		—	113,362	162	—	113,524	—	—	113,524	21,016	2020	2013	(1)
10 CityPoint	Office	Waltham, MA	—		1,953	85,752	7,023	2,288	92,440	—	—	94,728	26,693	2016	1997	(1)
Waltham Weston Corporate Center	Office	Waltham, MA	—		10,385	60,694	22,745	11,097	82,727	—	—	93,824	48,609	2003	1999	(1)
90 Broadway	Office	Cambridge, MA	—	(2)	19,104	52,078	22,168	20,785	72,565	—	—	93,350	33,396	1983/1998/2013	2006	(1)
Sumner Square	Office	Washington, DC	—		624	28,745	60,966	27,441	62,894	—	—	90,335	29,739	1985	1999	(1)
230 CityPoint	Office	Waltham, MA	—		13,189	49,823	25,075	13,807	74,280	—	—	88,087	41,800	1992	2005	(1)
77 CityPoint	Office	Waltham, MA	—		13,847	60,383	10,648	14,023	70,855	—	—	84,878	30,750	2008	2001	(1)
20 CityPoint	Office	Waltham, MA	—		4,887	72,764	7,072	4,887	79,836	—	—	84,723	16,456	2020	2007	(1)
Wisconsin Place	Office	Chevy Chase, MD	—		—	53,349	26,100	—	79,449	—	—	79,449	31,223	2009	2004	(1)
2440 West El Camino Real	Office	Mountain View, CA	—		16,741	51,285	6,565	16,741	57,850	—	—	74,591	23,427	1987/2003	2011	(1)
Reston Corporate Center	Office	Reston, VA	—		9,135	50,857	4,489	10,148	54,333	—	—	64,481	35,620	1984	1998	(1)
890 Winter Street	Office	Waltham, MA	—		13,913	28,557	19,104	13,913	47,661	—	—	61,574	9,397	1999	2019	(1)
255 Main Street	Office	Cambridge, MA	—		134	25,110	33,766	548	58,462	—	—	59,010	45,819	1987	1997	(1)
University Place	Office	Cambridge, MA	—		—	37,091	15,149	4,145	48,095	—	—	52,240	38,992	1985	1998	(1)
Capital Gallery	Office	Washington, DC	—		4,725	29,565	10,374	8,662	36,002	—	—	44,664	25,075	1981/2006	2007	(1)
North First Business Park	Office	San Jose, CA	—		23,398	13,069	6,116	23,378	19,205	—	—	42,583	17,852	1981	2007	(1)
150 Broadway	Office	Cambridge, MA	—		850	25,042	15,749	1,323	40,318	—	—	41,641	20,185	1999	1997	(1)
105 Broadway	Office	Cambridge, MA	—		1,299	12,943	12,723	2,395	24,570	—	—	26,965	18,114	1990	1997	(1)
Lexington Office Park	Office	Lexington, MA	—		998	1,426	19,738	1,263	19,233	1,666	—	22,162	17,298	1982	1997	(1)
The Point	Office	Waltham, MA	—		6,395	10,040	546	6,492	10,489	—	—	16,981	2,969	2015	2007	(1)
690 Folsom Street	Office	San Francisco, CA	—		3,219	11,038	1,877	3,219	12,915	—	—	16,134	4,723	2015	2012	(1)
Avant Retail	Office	Reston, VA	—		1,499	6,647	2,577	1,499	9,224	—	—	10,723	3,885	2014	2010	(1)


BXP, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
Property Name	Type	Location	Encumbrances		Original		Costs Capitalized Subsequent to Acquisition	Land and Improvements	Building and Improvements	Land Held for Development	Development and Construction in Progress	Total	Accumulated Depreciation	Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)

					Land	Building
17 Hartwell Avenue	Office	Lexington, MA	—		26	150	9,206	65	6,175	3,142	—	9,382	3,831	1968	1997	(1)
32 Hartwell Avenue	Office	Lexington, MA	—		168	1,943	6,394	314	8,191	—	—	8,505	3,291	1968/1979/1987	1997	(1)
453 Ravendale Drive	Office	Mountain View, CA	—		5,477	1,090	1,286	5,477	2,376	—	—	7,853	1,300	1977	2012	(1)
125 Broadway	Life Sciences	Cambridge, MA	—		126,364	433,662	5,580	126,364	439,242	—	—	565,606	38,051	2000	2022	(1)
180 CityPoint	Life Sciences	Waltham, MA	—		10,908	211,883	—	10,908	211,883	—	—	222,791	6,212	2024	2006	(1)
300 Binney Street	Life Sciences	Cambridge, MA	—		18,080	51,262	148,974	18,080	200,236	—	—	218,316	7,923	2024	2009	(1)
880 Winter Street	Life Sciences	Waltham, MA	—		15,597	37,255	95,615	15,597	132,870	—	—	148,467	18,179	1998/2022	2019	(1)
200 West Street	Life Sciences	Waltham, MA	—		16,148	24,983	77,709	16,813	101,670	357	—	118,840	33,730	1999/2021	1997	(1)
153 & 211 Second Avenue	Life Sciences	Waltham, MA	—		33,233	55,940	2,352	33,233	58,292	—	—	91,525	7,583	1964-2006	2021	(1)
103 CityPoint	Life Sciences	Waltham, MA	—		4,672	77,515	—	4,672	77,515	—	—	82,187	569	2024	2007	(1)
250 Binney Street	Life Sciences	Cambridge, MA	—		110	4,483	3,593	273	7,913	—	—	8,186	7,473	1983	1997	(1)
33 Hayden Avenue	Life Sciences	Lexington, MA	—		266	3,234	11,502	425	14,577	—	—	15,002	10,250	1979	1997	(1)
92-100 Hayden Avenue	Life Sciences	Lexington, MA	—		594	6,748	1,817	778	8,381	—	—	9,159	7,456	1985	1997	(1)
The Skylyne	Residential	Oakland, CA	—		—	239,077	1,792	—	240,869	—	—	240,869	26,207	2020	N/A	(1)
Signature at Reston	Residential	Reston, VA	—		27,076	190,580	2,980	27,076	193,560	—	—	220,636	32,887	2018	2013	(1)
Proto Kendall Square	Residential	Cambridge, MA	—		9,243	127,248	3,336	9,245	130,582	—	—	139,827	21,122	2018	2015	(1)
The Lofts at Atlantic Wharf	Residential	Boston, MA	—		3,529	54,891	2,598	3,529	57,489	—	—	61,018	20,108	2011	2007	(1)
Boston Marriott Cambridge	Hotel	Cambridge, MA	—		478	37,918	30,031	1,201	66,597	629	—	68,427	53,343	1986/2017	1997	(1)
Kendall Center Green Garage	Garage	Cambridge, MA	—	(2)	—	35,035	7,335	103	42,267	—	—	42,370	19,812	1984	2006	(1)
Kendall Center Yellow Garage	Garage	Cambridge, MA	—		1,256	15,697	1,674	1,434	17,193	—	—	18,627	8,248	2006	2004	(1)
290 Binney Street	Development	Cambridge, MA	—		—	—	575,958	1,054	—	—	574,904	575,958	—	N/A	1997	N/A
121 Broadway	Development	Cambridge, MA	—		—	—	102,843	—	—	—	102,843	102,843	—	N/A	1997	N/A
Reston Next Office Phase II	Development	Reston, VA	—		—	—	45,434	1,692	3,030	—	40,712	45,434	14	N/A	1998	N/A
725 12th Street	Development	Washington, DC	—		26,997	8,369	522	—	—	—	35,888	35,888	—	1992	2024	N/A
Reston Next Retail	Development	Reston, VA	—		—	—	10,293	—	—	—	10,293	10,293	—	N/A	1998	N/A
343 Madison Avenue	Land	New York, NY	—		—	—	240,226	140,558	—	99,668	—	240,226	—	N/A	2023	N/A
777 Harrison Street	Land	San Francisco, CA	—		144,647	—	28,366	—	47	172,966	—	173,013	39	N/A	2020	N/A
Back Bay Station Master Plan	Land	Boston, MA	—		—	—	103,908	24,808	—	79,100	—	103,908	—	N/A	N/A	N/A
3625-3635 Peterson Way	Land	Santa Clara, CA	—		63,206	—	5,185	—	—	68,391	—	68,391	—	N/A	2016	N/A
North First Master Plan	Land	San Jose, CA	—		35,004	—	4,600	—	—	39,604	—	39,604	—	N/A	2007	N/A
Plaza at Almaden	Land	San Jose, CA	—		—	—	38,163	—	—	38,163	—	38,163	—	N/A	2006	N/A
CityPoint South Master Plan	Land	Waltham, MA	—		—	—	36,522	—	—	36,522	—	36,522	—	N/A	N/A	N/A
Springfield Metro Center	Land	Springfield, VA	—		—	—	19,913	—	—	19,913	—	19,913	—	N/A	2007	N/A
Reston Gateway Master Plan	Land	Reston, VA	—		—	—	17,199	—	—	17,199	—	17,199	—	N/A	1998	N/A
Kendall Center Master Plan	Land	Cambridge, MA	—		—	—	16,301	—	—	16,301	—	16,301	—	N/A	1997	N/A
Weston Quarry	Land	Weston, MA	—		—	—	1,252	—	—	1,252	—	1,252	—	N/A	2001	N/A


BXP, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
Property Name	Type	Location	Encumbrances			Original				Costs Capitalized Subsequent to Acquisition		Land and Improvements			Building and Improvements			Land Held for Development			Development and Construction in Progress		Total		Accumulated Depreciation		Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)

						Land		Building
Broad Run Business Park	Land	Loudoun County, VA	—			—		—		1,188		—			—			1,188			—		1,188		—		N/A	1998	N/A
Reston Overlook Master Plan	Land	Reston, VA	—			—		—		80		—			—			80			—		80		—		N/A	2000	N/A

			$	4,276,609	(3)	$	5,716,458	$	15,848,823	$	6,955,895	$	6,002,805	(4)	$	21,039,681	(5)	$	714,050	(6)	$	764,640	$	28,521,176	$	7,485,502

Note: Total Real Estate does not include Furniture, Fixtures and Equipment totaling approximately $57,136. Accumulated Depreciation does not include approximately $42,555 of accumulated depreciation related to Furniture, Fixtures and Equipment. Office type includes office, life sciences, and retail properties.

The aggregate cost and accumulated depreciation for tax purposes was approximately $25.9 billion and $6.4 billion, respectively.

(1)Depreciation of the buildings and improvements are calculated over lives ranging from the life of the lease to 40 years.

(2)This property is encumbered with the mortgage note shown at 355 Main Street.

(3)Includes unamortized deferred financing costs and fair value debt adjustment totaling approximately $(25.7) million.

(4)Includes Right of Use Assets - Finance Leases and Right of Use Assets - Operating Leases of approximately $349,314 and $334,767, respectively.

(5)Includes Right of Use Assets - Finance Leases of approximately $23,608.

(6)Includes pre-development costs.

BXP, Inc.

Real Estate and Accumulated Depreciation

December 31, 2024, 2023 and 2022

(dollars in thousands)

A summary of activity for real estate and accumulated depreciation is as follows:


	2024		2023		2022
Real Estate:
Balance at the beginning of the year	$	27,421,471	$	25,744,214	$	24,108,220
Additions to/improvements of real estate	1,210,558		1,811,036		2,228,000
Assets sold/written-off	(110,853)		(133,779)		(592,006)
Balance at the end of the year	$	28,521,176	$	27,421,471	$	25,744,214
Accumulated Depreciation:
Balance at the beginning of the year	$	6,841,404	$	6,260,992	$	5,848,183
Depreciation expense	754,951		714,191		646,020
Assets sold/written-off	(110,853)		(133,779)		(233,211)
Balance at the end of the year	$	7,485,502	$	6,841,404	$	6,260,992

Note: Real Estate and Accumulated Depreciation amounts do not include Furniture, Fixtures and Equipment.


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
						Original				Costs Capitalized Subsequent to Acquisition		Land and Improvements		Building and Improvements		Land Held for Development		Development and Construction in Progress		Total		Accumulated Depreciation		Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)
Property Name	Type	Location	Encumbrances			Land		Building
767 Fifth Avenue (the General Motors Building)	Office	New York, NY	$	2,291,498		$	1,796,252	$	1,532,654	$	393,520	$	1,796,252	$	1,926,174	$	—	$	—	$	3,722,426	$	567,621	1968/2019	2013	(1)
Prudential Center	Office	Boston, MA	—			92,077		948,357		774,547		100,533		1,714,448		—		—		1,814,981		800,074		1965/1993/2002/2016-2017/2024	1998/1999/2000	(1)
Embarcadero Center	Office	San Francisco, CA	—			179,697		847,410		507,972		180,419		1,354,660		—		—		1,535,079		806,969		1970/1989	1998-1999	(1)
399 Park Avenue	Office	New York, NY	—			339,200		700,358		359,958		339,200		1,060,316		—		—		1,399,516		501,229		1961/2018	2002	(1)
601 Lexington Avenue	Office	New York, NY	990,529			241,600		494,782		531,270		279,281		988,371		—		—		1,267,652		385,988		1977/1997/2021	2001	(1)
200 Clarendon Street and Garage	Office	Boston, MA	—			219,543		667,884		288,694		257,203		918,918		—		—		1,176,121		370,980		1976	2010	(1)
Salesforce Tower	Office	San Francisco, CA	—			200,349		946,205		7,655		200,349		953,860		—		—		1,154,209		188,376		2018	2013	(1)
250 West 55th Street	Office	New York, NY	—			285,263		603,167		51,331		285,263		654,498		—		—		939,761		215,386		2014	2007	(1)
100 Federal Street	Office	Boston, MA	—			131,067		435,954		138,639		131,067		574,593		—		—		705,660		189,447		1971-1975/2017	2012	(1)
Madison Centre	Office	Seattle, WA	—			104,641		564,336		5,126		104,641		569,462						674,103		56,212		2017	2022	(1)
7 Times Square (formerly Times Square Tower)	Office	New York, NY	—			165,413		380,438		112,011		159,694		498,168		—		—		657,862		250,824		2004	2000	(1)
Santa Monica Business Park	Office	Los Angeles, CA	198,021			46,360		410,421		177,482		210,471		423,681		111		—		634,263		18,660		1976-1980	2023	(1)
Carnegie Center	Office	Princeton, NJ	—			142,666		316,856		169,851		90,501		479,895		58,977		—		629,373		274,543		1983-2016	1998/1999/2000/2007/2014/2017/2019	(1)
Reston Next	Office	Reston, VA	—			35,549		525,277		5,860		2,901		563,785		—		—		566,686		51,052		2022	1998	(1)
Atlantic Wharf	Office	Boston, MA	—			63,988		454,537		42,166		63,988		496,703		—		—		560,691		195,192		2011	2007	(1)
2100 Pennsylvania Avenue	Office	Washington, DC	—			185,203		324,206		4,433		185,203		328,639		—		—		513,842		34,319		2023	N/A	(1)
599 Lexington Avenue	Office	New York, NY	—			81,040		100,507		242,168		81,040		342,675		—		—		423,715		202,504		1986	1997	(1)
Fountain Square	Office	Reston, VA	—			56,853		306,298		56,795		56,853		363,093		—		—		419,946		125,277		1986-1990	2012	(1)
510 Madison Avenue	Office	New York, NY	—			103,000		253,665		37,287		103,000		290,952		—		—		393,952		111,209		2012	2010	(1)
325 Main Street	Office	Cambridge, MA	—		(2)	21,596		312,492		42,132		21,403		354,817		—		—		376,220		25,113		2022	1997	(1)
680 Folsom Street	Office	San Francisco, CA	—			72,545		219,766		12,577		72,545		232,343		—		—		304,888		87,930		2014	2012	(1)
2200 Pennsylvania Avenue	Office	Washington, DC	—			—		183,541		116,540		101,734		198,347		—		—		300,081		75,450		2011	2008	(1)
145 Broadway	Office	Cambridge, MA	—			121		273,013		26,777		23,164		276,747		—		—		299,911		43,888		2019	1997	(1)
South of Market and Democracy Tower	Office	Reston, VA	—			13,603		237,479		30,760		13,603		268,239		—		—		281,842		118,676		2008-2009	2003	(1)
Bay Colony Corporate Center	Office	Waltham, MA	—			18,789		148,451		95,025		18,789		238,765		4,711		—		262,265		118,253		1985-1989	2011	(1)
535 Mission Street	Office	San Francisco, CA	—			40,933		148,378		6,325		40,934		154,702		—		—		195,636		50,973		2015	2013	(1)
Mountain View Research Park	Office	Mountain View, CA	—			95,066		68,373		21,315		95,066		89,688		—		—		184,754		37,048		1977-1981/2007-2013	2013	(1)
Reservoir Place	Office	Waltham, MA	—			18,605		104,124		51,754		19,089		155,394		—		—		174,483		90,370		1955/1987/2017	1997/1998	(1)
140 Kendrick Street	Office	Needham, MA	—			18,095		66,905		68,625		18,095		135,530		—		—		153,625		50,959		2000/2023	2004	(1)
901 New York Avenue	Office	Washington, DC	201,692			65,808		72,970		13,225		65,808		86,195		—		—		152,003		4,253		2004	2024	(1)
1330 Connecticut Avenue	Office	Washington, DC	—			25,982		82,311		35,160		25,982		117,471		—		—		143,453		57,126		1984/2018	2004	(1)


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
					Original		Costs Capitalized Subsequent to Acquisition	Land and Improvements	Building and Improvements	Land Held for Development	Development and Construction in Progress	Total	Accumulated Depreciation	Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)
Property Name	Type	Location	Encumbrances		Land	Building
One Freedom Square	Office	Reston, VA	—		9,929	84,504	41,943	9,883	126,493	—	—	136,376	71,339	2000	2003	(1)
Two Freedom Square	Office	Reston, VA	—		13,930	77,739	40,024	13,866	117,827	—	—	131,693	48,454	2001	2003	(1)
Kingstowne Towne Center	Office	Alexandria, VA	—		18,021	109,038	4,132	18,021	113,170	—	—	131,191	57,705	2003-2006	2007	(1)
One and Two Reston Overlook	Office	Reston, VA	—		16,456	66,192	45,178	15,074	112,752	—	—	127,826	62,667	1999	2000	(1)
Weston Corporate Center	Office	Weston, MA	—		25,753	92,312	1,630	25,854	93,841	—	—	119,695	44,575	2010	2001	(1)
Shady Grove Innovation District	Office	Rockville, MD	—		52,030	64,212	(284)	26,834	35,014	54,110	—	115,958	5,526	1968-1985	2021	(1)
355 Main Street	Office	Cambridge, MA	594,869		18,863	53,346	41,474	21,098	92,585	—	—	113,683	39,544	1981/1996/2013	2006	(1)
17Fifty Presidents Street	Office	Reston, VA	—		—	113,362	162	—	113,524	—	—	113,524	21,016	2020	2013	(1)
Discovery Square	Office	Reston, VA	—		11,198	71,782	28,359	11,146	100,193	—	—	111,339	60,237	2001	2003	(1)
10 CityPoint	Office	Waltham, MA	—		1,953	85,752	6,862	2,127	92,440	—	—	94,567	26,693	2016	1997	(1)
90 Broadway	Office	Cambridge, MA	—	(2)	19,104	52,078	21,989	20,741	72,430	—	—	93,171	33,338	1983/1998/2013	2006	(1)
Waltham Weston Corporate Center	Office	Waltham, MA	—		10,385	60,694	19,758	10,350	80,487	—	—	90,837	47,541	2003	1999	(1)
Sumner Square	Office	Washington, DC	—		624	28,745	58,886	26,921	61,334	—	—	88,255	28,998	1985	1999	(1)
230 CityPoint	Office	Waltham, MA	—		13,189	49,823	23,458	13,403	73,067	—	—	86,470	41,224	1992	2005	(1)
77 CityPoint	Office	Waltham, MA	—		13,847	60,383	10,543	13,997	70,776	—	—	84,773	30,716	2008	2001	(1)
20 CityPoint	Office	Waltham, MA	—		4,887	72,764	7,072	4,887	79,836	—	—	84,723	16,456	2020	2007	(1)
Wisconsin Place	Office	Chevy Chase, MD	—		—	53,349	26,100	—	79,449	—	—	79,449	31,223	2009	2004	(1)
2440 West El Camino Real	Office	Mountain View, CA	—		16,741	51,285	6,565	16,741	57,850	—	—	74,591	23,427	1987/2003	2011	(1)
Reston Corporate Center	Office	Reston, VA	—		9,135	50,857	1,878	9,496	52,374	—	—	61,870	34,685	1984	1998	(1)
890 Winter Street	Office	Waltham, MA	—		13,913	28,557	19,104	13,913	47,661	—	—	61,574	9,397	1999	2019	(1)
255 Main Street	Office	Cambridge, MA	—		134	25,110	32,110	134	57,220	—	—	57,354	45,229	1987	1997	(1)
University Place	Office	Cambridge, MA	—		—	37,091	13,699	4,145	46,645	—	—	50,790	37,845	1985	1998	(1)
North First Business Park	Office	San Jose, CA	—		23,398	13,069	6,093	23,372	19,188	—	—	42,560	17,845	1981	2007	(1)
Capital Gallery	Office	Washington, DC	—		4,725	29,565	5,712	6,128	33,874	—	—	40,002	24,060	1981/2006	2007	(1)
150 Broadway	Office	Cambridge, MA	—		850	25,042	13,744	822	38,814	—	—	39,636	19,464	1999	1997	(1)
105 Broadway	Office	Cambridge, MA	—		1,299	12,943	10,617	1,868	22,991	—	—	24,859	17,361	1990	1997	(1)
Lexington Office Park	Office	Lexington, MA	—		998	1,426	18,974	1,072	18,660	1,666	—	21,398	17,028	1982	1997	(1)
The Point	Office	Waltham, MA	—		6,395	10,040	546	6,492	10,489	—	—	16,981	2,969	2015	2007	(1)
690 Folsom Street	Office	San Francisco, CA	—		3,219	11,038	1,877	3,219	12,915	—	—	16,134	4,723	2015	2012	(1)
Avant Retail	Office	Reston, VA	—		1,499	6,647	2,577	1,499	9,224	—	—	10,723	3,885	2014	2010	(1)
17 Hartwell Avenue	Office	Lexington, MA	—		26	150	9,049	26	6,057	3,142	—	9,225	3,774	1968	1997	(1)
32 Hartwell Avenue	Office	Lexington, MA	—		168	1,943	5,808	168	7,751	—	—	7,919	3,080	1968/1979/1987	1997	(1)
453 Ravendale Drive	Office	Mountain View, CA	—		5,477	1,090	1,286	5,477	2,376	—	—	7,853	1,300	1977	2012	(1)
125 Broadway	Life Sciences	Cambridge, MA	—		126,364	433,662	5,580	126,364	439,242	—	—	565,606	38,051	2000	2022	(1)
180 CityPoint	Life Sciences	Waltham, MA	—		10,908	211,883	—	10,908	211,883	—	—	222,791	6,212	2024	2006	(1)


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
					Original		Costs Capitalized Subsequent to Acquisition	Land and Improvements	Building and Improvements	Land Held for Development	Development and Construction in Progress	Total	Accumulated Depreciation	Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)
Property Name	Type	Location	Encumbrances		Land	Building
300 Binney Street	Life Sciences	Cambridge, MA	—		18,080	51,262	148,974	18,080	200,236	—	—	218,316	7,923	2024	2009	(1)
880 Winter Street	Life Sciences	Waltham, MA	—		15,597	37,255	95,615	15,597	132,870	—	—	148,467	18,179	1998/2022	2019	(1)
200 West Street	Life Sciences	Waltham, MA	—		16,148	24,983	75,048	16,148	99,674	357	—	116,179	32,778	1999/2021	1997	(1)
153 & 211 Second Avenue	Life Sciences	Waltham, MA	—		33,233	55,940	2,352	33,233	58,292	—	—	91,525	7,583	1964-2006	2021	(1)
103 CityPoint	Life Sciences	Waltham, MA	—		4,672	77,515	(2)	4,670	77,515	—	—	82,185	569	2024	2007	(1)
33 Hayden Avenue	Life Sciences	Lexington, MA	—		266	3,234	10,865	266	14,099	—	—	14,365	10,022	1979	1997	(1)
92-100 Hayden Avenue	Life Sciences	Lexington, MA	—		594	6,748	1,088	595	7,835	—	—	8,430	7,194	1985	1997	(1)
250 Binney Street	Life Sciences	Cambridge, MA	—		110	4,483	2,939	110	7,422	—	—	7,532	7,243	1983	1997	(1)
The Skylyne	Residential	Oakland, CA	—		—	239,077	1,792	—	240,869	—	—	240,869	26,207	2020	N/A	(1)
Signature at Reston	Residential	Reston, VA	—		27,076	190,580	2,980	27,076	193,560	—	—	220,636	32,887	2018	2013	(1)
Proto Kendall Square	Residential	Cambridge, MA	—		9,243	127,248	3,336	9,245	130,582	—	—	139,827	21,122	2018	2015	(1)
The Lofts at Atlantic Wharf	Residential	Boston, MA	—		3,529	54,891	2,598	3,529	57,489	—	—	61,018	20,108	2011	2007	(1)
Boston Marriott Cambridge	Hotel	Cambridge, MA	—		478	37,918	27,140	478	64,429	629	—	65,536	52,309	1986/2017	1997	(1)
Kendall Center Green Garage	Garage	Cambridge, MA	—	(2)	—	35,035	6,921	—	41,956	—	—	41,956	19,665	1984	2006	(1)
Kendall Center Yellow Garage	Garage	Cambridge, MA	—		1,256	15,697	962	1,256	16,659	—	—	17,915	7,997	2006	2004	(1)
290 Binney Street	Development	Cambridge, MA	—		—	—	575,542	638	—	—	574,904	575,542	—	N/A	1997	N/A
121 Broadway	Development	Cambridge, MA	—		—	—	102,843	—	—	—	102,843	102,843	—	N/A	1997	N/A
Reston Next Office Phase II	Development	Reston, VA	—		—	—	45,434	1,692	3,030	—	40,712	45,434	14	N/A	1998	N/A
725 12th Street	Development	Washington, DC	—		26,997	8,369	522	—	—	—	35,888	35,888	—	1992	2024	N/A
Reston Next Retail	Development	Reston, VA	—		—	—	10,293	—	—	—	10,293	10,293	—	N/A	1998	N/A
343 Madison Avenue	Land	New York, NY	—		—	—	240,226	140,558	—	99,668	—	240,226	—	N/A	2023	N/A
777 Harrison Street	Land	San Francisco, CA	—		144,647	—	28,366	—	47	172,966	—	173,013	39	N/A	2020	N/A
Back Bay Station Master Plan	Land	Boston, MA	—		—	—	103,908	24,808	—	79,100	—	103,908	—	N/A	N/A	N/A
3625-3635 Peterson Way	Land	Santa Clara, CA	—		63,206	—	5,185	—	—	68,391	—	68,391	—	N/A	2016	N/A
North First Master Plan	Land	San Jose, CA	—		35,004	—	4,600	—	—	39,604	—	39,604	—	N/A	2007	N/A
Plaza at Almaden	Land	San Jose, CA	—		—	—	38,163	—	—	38,163	—	38,163	—	N/A	2006	N/A
CityPoint South Master Plan	Land	Waltham, MA	—		—	—	36,522	—	—	36,522	—	36,522	—	N/A	N/A	N/A
Springfield Metro Center	Land	Springfield, VA	—		—	—	19,913	—	—	19,913	—	19,913	—	N/A	2007	N/A
Reston Gateway Master Plan	Land	Reston, VA	—		—	—	17,199	—	—	17,199	—	17,199	—	N/A	1998	N/A
Kendall Center Master Plan	Land	Cambridge, MA	—		—	—	16,301	—	—	16,301	—	16,301	—	N/A	1997	N/A
Weston Quarry	Land	Weston, MA	—		—	—	1,252	—	—	1,252	—	1,252	—	N/A	2001	N/A
Broad Run Business Park	Land	Loudoun County, VA	—		—	—	1,188	—	—	1,188	—	1,188	—	N/A	1998	N/A
Reston Overlook Master Plan	Land	Reston, VA	—		—	—	80	—	—	80	—	80	—	N/A	2000	N/A


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2024 (dollars in thousands)
						Original				Costs Capitalized Subsequent to Acquisition		Land and Improvements			Building and Improvements			Land Held for Development			Development and Construction in Progress		Total		Accumulated Depreciation		Year(s) Built/Renovated	Year(s) Acquired	Depreciable Lives (Years)
Property Name	Type	Location	Encumbrances			Land		Building
			$	4,276,609	(3)	$	5,716,458	$	15,848,823	$	6,589,630	$	5,908,096	(4)	$	20,768,125	(5)	$	714,050	(6)	$	764,640	$	28,154,911	$	7,355,327

The aggregate cost and accumulated depreciation for tax purposes was approximately $28.9 billion and $7.1 billion, respectively.