1050 Thomas Jefferson Street NW
Office in Washington, DC, DC · 20007
At a glance
1050 Thomas Jefferson Street NW is a 206,542-square-foot office building in Washington, DC, built in 1980. In its 2024 Washington, DC benchmarking disclosure it reported a site energy-use intensity of 38.5 kBtu/ft² and 699 tCO₂e of greenhouse-gas emissions.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 38.5 kBtu/ft² |
| Source EUI | 107.9 kBtu/ft² |
| GHG emissions | 699 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 2,333,427 kWh |
| Natural gas | 0 therms |
| Water use | 1,654 kgal |
| Gross floor area | 206,542 sq ft |
| Source record | dc:PM2590132:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 38.5 kBtu/ft² | 699 tCO₂e | |
| 2023 | — | 68.1 kBtu/ft² | 1,264 tCO₂e | |
| 2022 | 60 | -6 | 61.8 kBtu/ft² | 1,112 tCO₂e |
| 2021 | 66 | +3 | 55.9 kBtu/ft² | — |
| 2020 | 63 | +14 | 65.5 kBtu/ft² | — |
| 2019 | 49 | +3 | 83.4 kBtu/ft² | — |
| 2018 | 46 | -51 | 86.6 kBtu/ft² | — |
| 2017 | 97 | +17 | 44.0 kBtu/ft² | 1,008 tCO₂e |
| 2016 | 80 | +7 | 68.5 kBtu/ft² | 1,624 tCO₂e |
| 2015 | 73 | +17 | 75.4 kBtu/ft² | 2,084 tCO₂e |
| 2014 | 56 | -6 | 90.7 kBtu/ft² | 2,508 tCO₂e |
| 2013 | 62 | +2 | 80.0 kBtu/ft² | 2,092 tCO₂e |
| 2012 | 60 | 81.4 kBtu/ft² | 2,128 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
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 1050 Thomas Jefferson Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20007
- Coordinates
- 38.90349, -77.06040
Within ~1 km
Nearby benchmarked buildings
- 270310 - Washington Harbourscore 28
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- Watergate East, Inc.score 30
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- Four Seasons Washington, DCscore 54
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- Four Seasons Hotel Washington DCscore 56
Hotel · 459,534 sq ft
Mixed Use Property · 427,534 sq ft
- Watergate South Incscore 11
Multifamily Housing · 426,755 sq ft
See also: most efficient in Washington, DC · biggest emitters
How does 1050 Thomas Jefferson Street 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 38.5 kBtu/ft² is about 31% 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 3.4 kgCO₂e/ft² is about 32% below the group average of 5.0 kgCO₂e/ft².
At 206,542 sq ft, it is roughly in line with the average floor area of 216,135 sq ft for those buildings. It was built in 1980, 6 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 1050 Thomas Jefferson Street NW's energy performance changed over time?
BuildingCensus holds 13 Washington, DC disclosures for 1050 Thomas Jefferson Street NW, covering report years 2012–2024. Its ENERGY STAR score was 60 in both 2012 and 2022. Site EUI moved from 81.4 kBtu/ft² (2012) to 38.5 kBtu/ft² (2024), a 53% decrease. Reported emissions went from 2,128 tCO₂e to 699 tCO₂e over the same span (down 67%).
What does a site EUI of 38.5 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. 1050 Thomas Jefferson Street NW's 38.5 kBtu/ft² across 206,542 sq ft works out to about 8 billion Btu (2,330 MWh-equivalent) in 2024. Its source EUI of 107.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,333,427 kWh of electricity, 0 therms of natural gas and 1,654 thousand gallons of water for the year.
Which law requires 1050 Thomas Jefferson Street NW to report its energy use?
1050 Thomas Jefferson Street 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:PM2590132:2024). 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
- L&B 1775 Eye Street, LLC· 206,356 sq ft · score 84 (B)
- 1899 Pennsylvania Avenue· 205,933 sq ft · score 64 (C)
- 51 Louisiana Ave. NW· 205,580 sq ft · score 70 (B)
- 429 L'Enfant Plaza (L'Enfant Plaza Retail)· 203,729 sq ft · EUI 38.0 kBtu/ft²
- 499 S Capitol Street SW - Washington· 203,031 sq ft · score 56 (C)
- 1201 M Street· 202,273 sq ft · score 95 (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 1050 Thomas Jefferson Street NW's energy grade?
1050 Thomas Jefferson Street NW did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 38.5 kBtu/ft².
How much energy does 1050 Thomas Jefferson Street NW use?
Its 2024 site energy-use intensity was 38.5 kBtu/ft² (107.9 kBtu/ft² source) across 206,542 sq ft, including 2,333,427 kWh of electricity and 0 therms of natural gas.
What are 1050 Thomas Jefferson Street NW's carbon emissions?
1050 Thomas Jefferson Street NW reported 699 tCO₂e of greenhouse-gas emissions (3.4 kgCO₂e/ft²) for 2024.
Where is 1050 Thomas Jefferson Street NW?
1050 Thomas Jefferson Street NW is in Washington, DC 20007. Its coordinates are 38.90349, -77.06040 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 1050 Thomas Jefferson Street NW and when was it built?
1050 Thomas Jefferson Street NW has 206,542 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is 1050 Thomas Jefferson Street 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, “1050 Thomas Jefferson Street NW, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/1050-thomas-jefferson-street-nw-a521bb3d (data as of July 9, 2026).