Most efficient large buildings in Washington, DC

Top 100 ENERGY STAR scores among buildings over 50,000 sq ft under Clean and Affordable Energy Act / BEPS. Flip side: least efficient →

Top 100 by ENERGY STAR score

#	Building	City	Score	Site EUI	Floor area
1	McLean Gardens	Washington, DC	A100	24.9 kBtu/ft²	955,548 sq ft
2	McLean Gardens	Washington, DC	A100	23.5 kBtu/ft²	844,830 sq ft
3	Howard University Hospital Complex	Washington, DC	A100	73.2 kBtu/ft²	712,485 sq ft
4	Van Ness East Condominium	Washington, DC	A100	35.3 kBtu/ft²	453,583 sq ft
5	Quebec House South	Washington, DC	A100	34.9 kBtu/ft²	453,380 sq ft
6	The Kennedy Warren Apartments	Washington, DC	A100	22.2 kBtu/ft²	443,594 sq ft
7	Vista at Wingate	Washington, DC	A100	17.0 kBtu/ft²	426,944 sq ft
8	Clara Barton Condo Building	Washington, DC	A100	6.5 kBtu/ft²	341,643 sq ft
9	Embassy Suites Georgetown	Washington, DC	A100	26.5 kBtu/ft²	306,123 sq ft
10	AC Washington DC	Washington, DC	A100	37.2 kBtu/ft²	303,144 sq ft
11	The Glover House A, B, C	Washington, DC	A100	20.8 kBtu/ft²	262,841 sq ft
12	Village at McLean Gardens	Washington, DC	A100	3.5 kBtu/ft²	240,120 sq ft
13	2101 Connecticut Ave Coop	Washington, DC	A100	36.3 kBtu/ft²	236,646 sq ft
14	Parkway Overlook II LP	Washington, DC	A100	13.6 kBtu/ft²	236,239 sq ft
15	Bethune Annex (3B)	Washington, DC	A100	18.8 kBtu/ft²	225,000 sq ft
16	Spingarn High School	Washington, DC	A100	0.6 kBtu/ft²	225,000 sq ft
17	The Fairfax at Embassy Row	Washington, DC	A100	28.1 kBtu/ft²	217,504 sq ft
18	The Wyoming Condominium	Washington, DC	A100	37.5 kBtu/ft²	217,172 sq ft
19	Arbor View	Washington, DC	A100	20.0 kBtu/ft²	212,702 sq ft
20	The Lexicon Condominiums	Washington, DC	A100	32.0 kBtu/ft²	204,797 sq ft
21	4801 Connecticut Ave NW	Washington, DC	A100	6.9 kBtu/ft²	202,347 sq ft
22	Conway Center: Conway Center	Washington, DC	A100	—	197,197 sq ft
23	Edgewood	Washington, DC	A100	26.2 kBtu/ft²	195,002 sq ft
24	The Vanguard Building	Washington, DC	A100	58.2 kBtu/ft²	190,874 sq ft
25	Meridian Hill Hall	Washington, DC	A100	10.1 kBtu/ft²	182,516 sq ft
26	Bond Building	Washington, DC	A100	14.7 kBtu/ft²	177,436 sq ft
27	Crestview Condominiums	Washington, DC	A100	6.5 kBtu/ft²	165,105 sq ft
28	Lafayette at Penn Quarter Condo	Washington, DC	A100	1.1 kBtu/ft²	161,624 sq ft
29	Parc Riverside	Washington, DC	A100	20.5 kBtu/ft²	156,000 sq ft
30	Centennial Village	Washington, DC	A100	9.8 kBtu/ft²	152,670 sq ft
31	Village Tower at McLean Gardens	Washington, DC	A100	38.2 kBtu/ft²	151,318 sq ft
32	Village Tower at McLean Gardens	Washington, DC	A100	22.9 kBtu/ft²	151,318 sq ft
33	Highland Park II	Washington, DC	A100	20.1 kBtu/ft²	148,440 sq ft
34	Highland Park II	Washington, DC	A100	21.5 kBtu/ft²	148,440 sq ft
35	300 SEVENTH ST NY OWNER LLC	Washington, DC	A100	20.7 kBtu/ft²	145,187 sq ft
36	Severna on K: Severna on K	Washington, DC	A100	15.9 kBtu/ft²	140,086 sq ft
37	4707 Connecticut Avenue Condominiums	Washington, DC	A100	23.3 kBtu/ft²	137,066 sq ft
38	Shay - East (sh162)	Washington, DC	A100	19.2 kBtu/ft²	136,734 sq ft
39	Schuyler Arms, A Condominium	Washington, DC	A100	35.0 kBtu/ft²	127,257 sq ft
40	Courtyard Marriott Convention Center	Washington, DC	A100	29.3 kBtu/ft²	122,548 sq ft
41	The Aspen	Washington, DC	A100	22.5 kBtu/ft²	110,954 sq ft
42	Hyde-Addison Elementary School	Washington, DC	A100	1.2 kBtu/ft²	110,100 sq ft
43	Saxony Cooperative Apartments, Inc.	Washington, DC	A100	26.4 kBtu/ft²	110,000 sq ft
44	Northumberland Apartments Inc	Washington, DC	A100	16.8 kBtu/ft²	109,361 sq ft
45	Hampton Apartments East	Washington, DC	A100	19.6 kBtu/ft²	109,256 sq ft
46	Atlantic Gardens	Washington, DC	A100	39.5 kBtu/ft²	105,512 sq ft
47	Millenium	Washington, DC	A100	11.2 kBtu/ft²	105,457 sq ft
48	Kalorama Place	Washington, DC	A100	6.8 kBtu/ft²	102,541 sq ft
49	Winchester Underwood Coop	Washington, DC	A100	25.6 kBtu/ft²	95,802 sq ft
50	Jemal's Citadel, LLC	Washington, DC	A100	25.3 kBtu/ft²	94,433 sq ft
51	John Lewis Elementary School	Washington, DC	A100	9.2 kBtu/ft²	91,389 sq ft
52	Maryland Condominium	Washington, DC	A100	18.8 kBtu/ft²	89,420 sq ft
53	Wah Luck House	Washington, DC	A100	39.2 kBtu/ft²	89,000 sq ft
54	Selenium, LLC	Washington, DC	A100	16.4 kBtu/ft²	86,675 sq ft
55	Cook Hall	Washington, DC	A100	14.0 kBtu/ft²	83,444 sq ft
56	Kimball Elementary (under construction)	Washington, DC	A100	1.2 kBtu/ft²	83,400 sq ft
57	(R0840) - The Westmoreland Cooperative (2122 California St NW)	Washington, DC	A100	11.2 kBtu/ft²	82,830 sq ft
58	DC4011 - NORTH CAPITOL MEDICAL CENTER	Washington, DC	A100	16.6 kBtu/ft²	81,333 sq ft
59	(NEW) Saint Nicholas Condominium	Washington, DC	A100	33.6 kBtu/ft²	79,421 sq ft
60	Raymond Elementary School	Washington, DC	A100	2.5 kBtu/ft²	79,080 sq ft
61	Park Morton	Washington, DC	A100	33.4 kBtu/ft²	78,225 sq ft
62	Park Ellison Apartments (pr434)	Washington, DC	A100	22.1 kBtu/ft²	77,386 sq ft
63	Boron	Washington, DC	A100	22.6 kBtu/ft²	75,706 sq ft
64	The Worland Condominium	Washington, DC	A100	18.6 kBtu/ft²	74,791 sq ft
65	The Windermere	Washington, DC	A100	19.7 kBtu/ft²	74,232 sq ft
66	Anacostia Service Center	Washington, DC	A100	1.0 kBtu/ft²	72,000 sq ft
67	4106-0811	Washington, DC	A100	—	70,880 sq ft
68	Georgetown North Condo	Washington, DC	A100	10.2 kBtu/ft²	70,000 sq ft
69	Urban Village	Washington, DC	A100	6.7 kBtu/ft²	69,263 sq ft
70	2376 Washington	Washington, DC	A100	177.7 kBtu/ft²	66,909 sq ft
71	Maury Elementary	Washington, DC	A100	10.0 kBtu/ft²	65,000 sq ft
72	1870 Wyoming Ave NW	Washington, DC	A100	27.0 kBtu/ft²	63,712 sq ft
73	B B 50 Florida	Washington, DC	A100	4.1 kBtu/ft²	61,698 sq ft
74	Crestview Condominiums	Washington, DC	A100	8.4 kBtu/ft²	60,748 sq ft
75	The Sanford Condominium (Saint Nicholas Condominium)	Washington, DC	A100	16.2 kBtu/ft²	59,312 sq ft
76	Connecticut Gardens	Washington, DC	A100	14.3 kBtu/ft²	58,745 sq ft
77	HUH Accounting Building	Washington, DC	A100	—	58,607 sq ft
78	Hacienda Cooperative	Washington, DC	A100	43.4 kBtu/ft²	57,624 sq ft
79	4106-0816	Washington, DC	A100	—	56,400 sq ft
80	2325 15th Street NW	Washington, DC	A100	21.8 kBtu/ft²	56,335 sq ft
81	Ellington Building	Washington, DC	A100	3.4 kBtu/ft²	55,474 sq ft
82	Capital East Apartment	Washington, DC	A100	13.3 kBtu/ft²	55,178 sq ft
83	Capital East Apartment (518)	Washington, DC	A100	12.0 kBtu/ft²	54,781 sq ft
84	Capital East - 518	Washington, DC	A100	9.3 kBtu/ft²	54,781 sq ft
85	Cavanaugh Court	Washington, DC	A100	12.2 kBtu/ft²	53,621 sq ft
86	Barclay II	Washington, DC	A100	18.6 kBtu/ft²	53,532 sq ft
87	The Verona	Washington, DC	A100	31.1 kBtu/ft²	52,680 sq ft
88	Frontiers East & West Condominia	Washington, DC	A100	3.7 kBtu/ft²	52,545 sq ft
89	Lonsdale Court Condominium	Washington, DC	A100	20.0 kBtu/ft²	52,345 sq ft
90	The Whyland Condo	Washington, DC	A100	20.4 kBtu/ft²	51,389 sq ft
91	4840 Fort Totten Drive North East	Washington, DC	A100	13.9 kBtu/ft²	50,921 sq ft
92	Two Independence Square	Washington, DC	A99	47.5 kBtu/ft²	634,947 sq ft
93	Square N515 (Mount Vernon Phase I)	Washington, DC	A99	26.6 kBtu/ft²	337,838 sq ft
94	P/S Lot 61 Associates LLC (Mount Vernon Phase II)	Washington, DC	A99	27.6 kBtu/ft²	336,540 sq ft
95	SoNYa (so087)	Washington, DC	A99	27.4 kBtu/ft²	332,518 sq ft
96	Highland Park I	Washington, DC	A99	23.6 kBtu/ft²	288,311 sq ft
97	Highland Park I	Washington, DC	A99	22.3 kBtu/ft²	288,311 sq ft
98	The Jamison (jm020)	Washington, DC	A99	32.1 kBtu/ft²	275,361 sq ft
99	Channel Square Apartments	Washington, DC	A99	62.4 kBtu/ft²	247,577 sq ft
100	Quebec House North	Washington, DC	A99	37.3 kBtu/ft²	243,054 sq ft

Frequently asked questions

What is the most energy-efficient large building in Washington, DC?

McLean Gardens tops the list with an ENERGY STAR score of 100 among Washington, DC buildings over 50,000 sq ft in the latest Clean and Affordable Energy Act / BEPS disclosure.

Why only large buildings?

Restricting the ranking to buildings over 50,000 sq ft keeps it meaningful — perfect scores are common among small buildings, while running a high score at scale is the real efficiency achievement.

Dataset updated July 2026 . Source: Building Energy Benchmarking public disclosure.