1120 Vermont Avenue NW
Office in Washington, DC, DC · 20005
At a glance
1120 Vermont Avenue NW is a 515,461-square-foot office building in Washington, DC, built in 1981. In its 2024 Washington, DC benchmarking disclosure it reported a site energy-use intensity of 35.5 kBtu/ft² and 1,558 tCO₂e of greenhouse-gas emissions.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 35.5 kBtu/ft² |
| Source EUI | 94.6 kBtu/ft² |
| GHG emissions | 1,558 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 4,946,193 kWh |
| Natural gas | 14,457 therms |
| Water use | 1,136 kgal |
| Gross floor area | 515,461 sq ft |
| Source record | dc:PM6244129:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 35.5 kBtu/ft² | 1,558 tCO₂e | |
| 2023 | — | 44.1 kBtu/ft² | 1,938 tCO₂e | |
| 2022 | — | 59.5 kBtu/ft² | 2,607 tCO₂e | |
| 2021 | 100 | ±0 | 64.2 kBtu/ft² | 3,061 tCO₂e |
| 2020 | 100 | ±0 | 67.1 kBtu/ft² | 3,298 tCO₂e |
| 2019 | 100 | +3 | 70.1 kBtu/ft² | 3,367 tCO₂e |
| 2018 | 97 | +27 | 77.7 kBtu/ft² | 3,733 tCO₂e |
| 2017 | 70 | 73.1 kBtu/ft² | 4,285 tCO₂e |
Compliance context
Clean and Affordable Energy Act / BEPS
DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
Ownership
1120 VERMONT AVE ASSOCIATES LLP
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Location
- Address
- 1120 Vermont Avenue NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20005
- Coordinates
- 38.90485, -77.03303
Within ~1 km
Nearby benchmarked buildings
- Midtown Centerscore 91
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- Hyatt Grand Washington DCscore 67
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- 1300 Buildingscore 95
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- NGS Headquartersscore 68
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- Columbia Squarescore 80
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See also: most efficient in Washington, DC · biggest emitters
How does 1120 Vermont Avenue NW compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. Its site EUI of 35.5 kBtu/ft² is about 36% below the average of 55.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 40% below the group average of 5.0 kgCO₂e/ft².
At 515,461 sq ft, it is about 138% above the average floor area of 216,135 sq ft for those buildings. It was built in 1981, 7 years later than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 1120 Vermont Avenue NW's energy performance changed over time?
BuildingCensus holds 8 Washington, DC disclosures for 1120 Vermont Avenue NW, covering report years 2017–2024. Its ENERGY STAR score went from 70 in 2017 to 100 in 2021 (+30 points); its best year on file was 2019, at 100. Site EUI moved from 73.1 kBtu/ft² (2017) to 35.5 kBtu/ft² (2024), a 51% decrease. Reported emissions went from 4,285 tCO₂e to 1,558 tCO₂e over the same span (down 64%).
What does a site EUI of 35.5 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 1120 Vermont Avenue NW's 35.5 kBtu/ft² across 515,461 sq ft works out to about 18.3 billion Btu (5,363 MWh-equivalent) in 2024. Its source EUI of 94.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,946,193 kWh of electricity, 14,457 therms of natural gas and 1,136 thousand gallons of water for the year.
Which law requires 1120 Vermont Avenue NW to report its energy use?
1120 Vermont Avenue NW reports under the Clean and Affordable Energy Act / BEPS, the legal basis of Washington, DC's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record dc:PM6244129:2024). DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.
More office buildings in Washington, DC
- AARP HQ· 514,474 sq ft · score 91 (A)
- 1201 - 1225 New York Avenue· 509,395 sq ft · score 83 (B)
- Franklin Court· 508,315 sq ft · score 79 (B)
- Potomac Center North· 508,250 sq ft · score 77 (B)
- Anthem Row· 505,753 sq ft · score 57 (C)
- 1120 Vermont Avenue· 505,443 sq ft · score 91 (A)
- Office buildings in Washington, DC· 899 benchmarked
- All Washington, DC benchmarked buildings· Clean and Affordable Energy Act / BEPS
- Most efficient large buildings in Washington, DC
- Least efficient large buildings in Washington, DC
- Biggest emitters in Washington, DC
Frequently asked questions
What is 1120 Vermont Avenue NW's energy grade?
1120 Vermont Avenue NW did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 35.5 kBtu/ft².
How much energy does 1120 Vermont Avenue NW use?
Its 2024 site energy-use intensity was 35.5 kBtu/ft² (94.6 kBtu/ft² source) across 515,461 sq ft, including 4,946,193 kWh of electricity and 14,457 therms of natural gas.
What are 1120 Vermont Avenue NW's carbon emissions?
1120 Vermont Avenue NW reported 1,558 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is 1120 Vermont Avenue NW?
1120 Vermont Avenue NW is in Washington, DC 20005. Its coordinates are 38.90485, -77.03303 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 1120 Vermont Avenue NW and when was it built?
1120 Vermont Avenue NW has 515,461 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1981 as its year built. It is classed as office.
Is 1120 Vermont Avenue NW covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2024 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Clean and Affordable Energy Act / BEPS.
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About this data
Source: Building Energy Benchmarking (Clean and Affordable Energy Act / BEPS), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1120 Vermont Avenue NW, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/1120-vermont-avenue-nw-3e617003 (data as of July 9, 2026).