1920 L Street: 1920 L Street Northwest
Office in Washington, DC, DC · 1920 L Street Northwest · 20036
At a glance
1920 L Street: 1920 L Street Northwest is a 158,638-square-foot office building in Washington, DC. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 91 out of 100 (grade A), a site energy-use intensity of 38.9 kBtu/ft² and 469 tCO₂e of greenhouse-gas emissions. That score is higher than 91% of the 774 scored office buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 91 (band A) |
| Site EUI | 38.9 kBtu/ft² |
| Source EUI | 86.0 kBtu/ft² |
| GHG emissions | 469 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 1,200,108 kWh |
| Natural gas | 20,726 therms |
| Water use | 801 kgal |
| Gross floor area | 158,638 sq ft |
| Source record | dc:PM9960918:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 91 | +1 | 38.9 kBtu/ft² | 469 tCO₂e |
| 2023 | 90 | +6 | 38.8 kBtu/ft² | 479 tCO₂e |
| 2022 | 84 | ±0 | 43.7 kBtu/ft² | 520 tCO₂e |
| 2021 | 84 | -1 | 42.8 kBtu/ft² | 540 tCO₂e |
| 2020 | 85 | -3 | 46.7 kBtu/ft² | 449 tCO₂e |
| 2019 | 88 | 44.9 kBtu/ft² | 563 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
ZG 1920 L STREET LLC
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Location
- Address
- 1920 L Street Northwest
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20036
- Coordinates
- 38.90350, -77.04448
Within ~1 km
Nearby benchmarked buildings
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- Ross Hall Groupscore —
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- Columbia Plaza All Bldgsscore 30
Multifamily Housing · 942,990 sq ft
- Lafayette Centrescore 74
Office · 908,482 sq ft
See also: most efficient in Washington, DC · biggest emitters
How does 1920 L Street: 1920 L Street Northwest compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. 1920 L Street: 1920 L Street Northwest's ENERGY STAR score of 91 compares with an average of 70 across the 774 that report a score; it scores higher than 91% of them and lower than 7%. Its site EUI of 38.9 kBtu/ft² is about 30% 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 41% below the group average of 5.0 kgCO₂e/ft².
At 158,638 sq ft, it is about 27% below the average floor area of 216,135 sq ft for those buildings. 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 1920 L Street: 1920 L Street Northwest's energy performance changed over time?
BuildingCensus holds 6 Washington, DC disclosures for 1920 L Street: 1920 L Street Northwest, covering report years 2019–2024. Its ENERGY STAR score went from 88 in 2019 to 91 in 2024 (+3 points). Site EUI moved from 44.9 kBtu/ft² (2019) to 38.9 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 563 tCO₂e to 469 tCO₂e over the same span (down 17%).
What does an ENERGY STAR score of 91 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 91 means the building performs better than about 91% of its national peers. BuildingCensus bands the score into report-card grades; 91 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In Washington, DC, 47% of scored buildings are at 75 or above.
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. 1920 L Street: 1920 L Street Northwest's 38.9 kBtu/ft² across 158,638 sq ft works out to about 6.2 billion Btu (1,809 MWh-equivalent) in 2024. Its source EUI of 86.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,200,108 kWh of electricity, 20,726 therms of natural gas and 801 thousand gallons of water for the year.
Which law requires 1920 L Street: 1920 L Street Northwest to report its energy use?
1920 L Street: 1920 L Street Northwest 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:PM9960918:2024). 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
- 1220 12th Street SE· 158,053 sq ft · score 94 (A)
- 1735 New York Avenue· 157,955 sq ft · EUI 48.6 kBtu/ft²
- 2001 Pennsylvania Ave· 157,666 sq ft · score 42 (D)
- Van ness square· 156,493 sq ft · score 74 (B)
- 1101 14th street· 156,467 sq ft · score 75 (B)
- NAS Bldg· 155,397 sq ft · score 52 (D)
- 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 1920 L Street: 1920 L Street Northwest's energy grade?
1920 L Street: 1920 L Street Northwest scores 91 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1920 L Street: 1920 L Street Northwest use?
Its 2024 site energy-use intensity was 38.9 kBtu/ft² (86.0 kBtu/ft² source) across 158,638 sq ft, including 1,200,108 kWh of electricity and 20,726 therms of natural gas.
What are 1920 L Street: 1920 L Street Northwest's carbon emissions?
1920 L Street: 1920 L Street Northwest reported 469 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is 1920 L Street: 1920 L Street Northwest?
1920 L Street: 1920 L Street Northwest is in Washington, DC 20036. Its coordinates are 38.90350, -77.04448 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 1920 L Street: 1920 L Street Northwest and when was it built?
1920 L Street: 1920 L Street Northwest has 158,638 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as office.
Is 1920 L Street: 1920 L Street Northwest 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, “1920 L Street: 1920 L Street Northwest, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/1920-l-street-1920-l-street-northwest-7adb1e2e (data as of July 9, 2026).