BuildingCensus

Most efficient large buildings in Montgomery County

Top 100 ENERGY STAR scores among buildings over 50,000 sq ft under Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21). Flip side: least efficient →

Top 100 by ENERGY STAR score

#BuildingCityScoreSite EUIFloor area
1The Astrid (As147)Montgomery CountyA10024.0 kBtu/ft²510,000 sq ft
2The Fairways North At Leisure WorldMontgomery CountyA10031.4 kBtu/ft²499,741 sq ft
3The Wisconsin CondominiumsMontgomery CountyA10028.8 kBtu/ft²431,838 sq ft
4The FitzMontgomery CountyA10028.5 kBtu/ft²399,780 sq ft
5Rollins Park IiMontgomery CountyA10033.4 kBtu/ft²394,729 sq ft
6Creekside Of Leisure WorldMontgomery CountyA10024.0 kBtu/ft²390,085 sq ft
7Wentworth House Apartments (Wp55)Montgomery CountyA10038.8 kBtu/ft²388,270 sq ft
8The Greens I At Leisure World B1Montgomery CountyA10024.4 kBtu/ft²385,738 sq ft
9The Greens I At Leisure World B2Montgomery CountyA10023.9 kBtu/ft²385,557 sq ft
10The Greens At Leisure World Ii-B3Montgomery CountyA10023.6 kBtu/ft²375,379 sq ft
11The Greens At Leisure World Ii-B4Montgomery CountyA10026.4 kBtu/ft²375,236 sq ft
12Kenwood Place CondominiumMontgomery CountyA10032.6 kBtu/ft²359,540 sq ft
13Harwood Flats (Ha018)Montgomery CountyA10020.5 kBtu/ft²335,923 sq ft
14Barlow BuildingMontgomery CountyA10058.0 kBtu/ft²312,229 sq ft
15Griffis EdgemoorMontgomery CountyA10029.5 kBtu/ft²246,221 sq ft
16Takoma OverlookMontgomery CountyA10037.9 kBtu/ft²242,629 sq ft
17Blvd Ansel (Ns048)Montgomery CountyA10040.1 kBtu/ft²231,668 sq ft
18Governor Square Apartments (Go020)Montgomery CountyA10070.1 kBtu/ft²227,222 sq ft
19The Terano (Tn31)Montgomery CountyA10027.6 kBtu/ft²196,000 sq ft
20Metro Park Ii (Fs & Nnn): 7520,24,48,& 64 Standish PlaceMontgomery CountyA10016.2 kBtu/ft²172,705 sq ft
21257 Congressional LaneMontgomery CountyA10038.8 kBtu/ft²166,471 sq ft
22259 Congressional LaneMontgomery CountyA10038.7 kBtu/ft²166,000 sq ft
23Solaire 7077 WoodmontMontgomery CountyA10025.7 kBtu/ft²159,393 sq ft
24Stonehall CondominiumMontgomery CountyA10026.6 kBtu/ft²136,224 sq ft
25Silver Spring Retirement Residence Llc Dba Wilshire EstatesMontgomery CountyA10040.1 kBtu/ft²130,577 sq ft
268737 Colesville Road, LlcMontgomery CountyA1006.6 kBtu/ft²127,289 sq ft
27Bethesda Place ApartmentsMontgomery CountyA10028.2 kBtu/ft²126,420 sq ft
28Battery Lane (4998)Montgomery CountyA10027.6 kBtu/ft²121,513 sq ft
29Condominium Residences Ii Of FallsgroveMontgomery CountyA10027.2 kBtu/ft²115,328 sq ft
30Turnberry Courts Building 2Montgomery CountyA10032.8 kBtu/ft²107,608 sq ft
31Bauer Park ApartmentsMontgomery CountyA10027.8 kBtu/ft²104,781 sq ft
32Villa Cortese Building 5Montgomery CountyA10030.2 kBtu/ft²98,478 sq ft
3310770 Columbia PikeMontgomery CountyA10027.2 kBtu/ft²94,931 sq ft
34Even Hotel RockvilleMontgomery CountyA10022.8 kBtu/ft²90,930 sq ft
35Miramont Villas Condominium BMontgomery CountyA10022.0 kBtu/ft²83,818 sq ft
36Miramont Villas Condominium AMontgomery CountyA10024.2 kBtu/ft²83,818 sq ft
37Wheaton - ApogeeMontgomery CountyA10023.4 kBtu/ft²74,926 sq ft
38Villa Cortese Building 3Montgomery CountyA10028.9 kBtu/ft²73,633 sq ft
39Villa Cortese Building 2Montgomery CountyA10027.0 kBtu/ft²73,408 sq ft
40Villa Cortese Building 1Montgomery CountyA10025.2 kBtu/ft²72,491 sq ft
41Lakelands Ridge Condominium IiMontgomery CountyA10022.8 kBtu/ft²64,773 sq ft
42Lakelands Ridge Condominium IMontgomery CountyA10024.1 kBtu/ft²62,493 sq ft
43The Flats At Crown Condominium (B)Montgomery CountyA10021.3 kBtu/ft²60,860 sq ft
44King Farm 2 Phase 1 - 500 King FarmMontgomery CountyA10028.1 kBtu/ft²59,712 sq ft
45The Flats At Crown Condominium (A)Montgomery CountyA10022.1 kBtu/ft²57,370 sq ft
46Bradley House CondominiumMontgomery CountyA10015.3 kBtu/ft²57,319 sq ft
47Sandy Spring Village, LpMontgomery CountyA1009.8 kBtu/ft²55,790 sq ft
48Lakelands Ridge Condominium IvMontgomery CountyA10020.1 kBtu/ft²52,015 sq ft
492098 Gaither RoadMontgomery CountyA10013.0 kBtu/ft²51,220 sq ft
50Grosvenor Park 2Montgomery CountyA9939.8 kBtu/ft²669,545 sq ft
51National Institute For Allergy And Infectious DiseasesMontgomery CountyA9953.2 kBtu/ft²515,717 sq ft
52The Overlook At Leisure World, A CondominiumMontgomery CountyA9936.4 kBtu/ft²491,400 sq ft
53The Warwick (Wr024)Montgomery CountyA9944.0 kBtu/ft²459,353 sq ft
54Mallory Square - SimpsonMontgomery CountyA9923.3 kBtu/ft²426,518 sq ft
55Solaire 8200 DixonMontgomery CountyA9927.7 kBtu/ft²420,849 sq ft
56Camden WashingtonianMontgomery CountyA9928.9 kBtu/ft²396,821 sq ft
57Vantage Point East At Leisure WorldMontgomery CountyA9934.8 kBtu/ft²383,187 sq ft
58Turnberry Courts Building 3Montgomery CountyA9937.9 kBtu/ft²364,115 sq ft
59The Crossings At Olde TowneMontgomery CountyA9924.3 kBtu/ft²278,124 sq ft
60Melvin J. Berman Hebrew AcademyMontgomery CountyA9928.9 kBtu/ft²258,694 sq ft
61Kentlands Manor - 221 Booth St, Gaithersburg, Md 20878, UsaMontgomery CountyA9927.7 kBtu/ft²219,549 sq ft
62Walker HouseMontgomery CountyA9939.5 kBtu/ft²188,527 sq ft
63Metro Park I (R&D): 7600-84 Standish Pl.Montgomery CountyA9914.4 kBtu/ft²172,705 sq ft
64Copley At CrownMontgomery CountyA9934.6 kBtu/ft²163,569 sq ft
65Waverly HouseMontgomery CountyA9923.8 kBtu/ft²123,447 sq ft
66Willow Manor At Fair Hill Farm - Hoc At Willow Manor LlcMontgomery CountyA9920.6 kBtu/ft²114,635 sq ft
67Turnberry Courts Building 1Montgomery CountyA9935.4 kBtu/ft²114,297 sq ft
68101 Orchard Ridge DriveMontgomery CountyA9937.4 kBtu/ft²105,804 sq ft
69Takoma Phoenix CondominiumMontgomery CountyA9930.5 kBtu/ft²95,771 sq ft
7010315-Silver Spring-SolarMontgomery CountyA9926.5 kBtu/ft²93,200 sq ft
71White Oak CenterMontgomery CountyA9941.9 kBtu/ft²80,000 sq ft
72Kings Overlook Condominium IMontgomery CountyA9920.1 kBtu/ft²71,404 sq ft
73Sumner Village Condominium 2 (Building 12)Montgomery CountyA9921.2 kBtu/ft²71,324 sq ft
74Bailey’S Commons Condominium IiiMontgomery CountyA9927.0 kBtu/ft²70,826 sq ft
75515 Thayer Ave ApartmentsMontgomery CountyA9923.3 kBtu/ft²66,005 sq ft
76Kings Overlook Condominium IiMontgomery CountyA9921.1 kBtu/ft²63,371 sq ft
77Lakelands Ridge Condominium IiiMontgomery CountyA9926.0 kBtu/ft²61,636 sq ft
78Andrew Kim HouseMontgomery CountyA9929.8 kBtu/ft²56,419 sq ft
79Flats At Tower Oaks Condominium IiiMontgomery CountyA9926.1 kBtu/ft²55,100 sq ft
80Flats At Tower Oaks Condominium IiMontgomery CountyA9925.9 kBtu/ft²55,096 sq ft
81Flats At Tower Oaks Condominium IvMontgomery CountyA9924.8 kBtu/ft²54,772 sq ft
8255040-Five Star Premier Res-Chevy Chase - Dhc Alr ShopMontgomery CountyA9834.2 kBtu/ft²565,097 sq ft
83Hvpg - Rock CreekMontgomery CountyA9834.9 kBtu/ft²497,154 sq ft
84Topaz HouseMontgomery CountyA9843.9 kBtu/ft²426,271 sq ft
85Somerset House IiMontgomery CountyA9841.3 kBtu/ft²376,354 sq ft
86EscherMontgomery CountyA9828.1 kBtu/ft²361,946 sq ft
87The Carleton At Chevy ChaseMontgomery CountyA9836.9 kBtu/ft²273,951 sq ft
88Metro Park V: 7361 Calhoun PlMontgomery CountyA9828.8 kBtu/ft²230,032 sq ft
89(R0637) - Old Georgetown Village Condominium (11400-11410 Strand Dr.)(Campus)Montgomery CountyA9820.7 kBtu/ft²179,533 sq ft
90Momentum At Shady Grove: Momentum At Shady GroveMontgomery CountyA9821.3 kBtu/ft²170,432 sq ft
91The Elms At Clarksburg Village - EncoreMontgomery CountyA9831.7 kBtu/ft²136,810 sq ft
92200 Orchard Ridge DriveMontgomery CountyA9841.7 kBtu/ft²109,409 sq ft
93Madison Park Condominium Association Inc.Montgomery CountyA9831.8 kBtu/ft²101,853 sq ft
94Victory HavenMontgomery CountyA9823.4 kBtu/ft²76,040 sq ft
95Sumner Village Condominium 2 (Building 11)Montgomery CountyA9821.6 kBtu/ft²71,225 sq ft
96Orion CondominiumMontgomery CountyA9825.6 kBtu/ft²56,360 sq ft
97Strathmore Park At Grosvenor Condominium AMontgomery CountyA9830.2 kBtu/ft²55,400 sq ft
98Flats At Tower Oaks Condominium IMontgomery CountyA9826.3 kBtu/ft²54,788 sq ft
994720 Chevy Chase Drive CondominiumMontgomery CountyA9842.6 kBtu/ft²53,549 sq ft
100Veridian - 19234Montgomery CountyA9732.2 kBtu/ft²524,148 sq ft

Frequently asked questions

What is the most energy-efficient large building in Montgomery County?

The Astrid (As147) tops the list with an ENERGY STAR score of 100 among Montgomery County buildings over 50,000 sq ft in the latest Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) 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 . Source: Commercial Building Energy Benchmarking public disclosure.