2151 California Street NW
Multifamily Housing in Washington, DC, DC · 20008
At a glance
2151 California Street NW is a 30,144-square-foot multifamily housing building in Washington, DC, built in 1920. In its 2023 Washington, DC benchmarking disclosure it reported a site energy-use intensity of 39.3 kBtu/ft² and 87 tCO₂e of greenhouse-gas emissions.
Clean and Affordable Energy Act / BEPS · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 39.3 kBtu/ft² |
| Source EUI | 49.6 kBtu/ft² |
| GHG emissions | 87 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 47,648 kWh |
| Natural gas | 1,463 therms |
| Water use | 352 kgal |
| Gross floor area | 30,144 sq ft |
| Source record | dc:PM19906518:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 39.3 kBtu/ft² | 87 tCO₂e | |
| 2022 | 84 | 67.8 kBtu/ft² | 150 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
2151 CALIFORNIA ASSOCIATES LLC
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Location
- Address
- 2151 California Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20008
- Coordinates
- 38.91645, -77.04876
Within ~1 km
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How does 2151 California Street NW compare with other multifamily housing buildings in Washington, DC?
The latest disclosures cover 1,799 multifamily housing buildings in Washington, DC, out of 6,870 buildings citywide. Its site EUI of 39.3 kBtu/ft² is about 23% below the average of 51.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.9 kgCO₂e/ft² is about 24% below the group average of 3.8 kgCO₂e/ft².
At 30,144 sq ft, it is about 78% below the average floor area of 136,346 sq ft for those buildings. It was built in 1920, 45 years earlier than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 2151 California Street NW's energy performance changed over time?
BuildingCensus holds 2 Washington, DC disclosures for 2151 California Street NW, covering report years 2022–2023. Site EUI moved from 67.8 kBtu/ft² (2022) to 39.3 kBtu/ft² (2023), a 42% decrease. Reported emissions went from 150 tCO₂e to 87 tCO₂e over the same span (down 42%).
What does a site EUI of 39.3 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. 2151 California Street NW's 39.3 kBtu/ft² across 30,144 sq ft works out to about 1.2 billion Btu (347 MWh-equivalent) in 2023. Its source EUI of 49.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 47,648 kWh of electricity, 1,463 therms of natural gas and 352 thousand gallons of water for the year.
Which law requires 2151 California Street NW to report its energy use?
2151 California 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 2023 disclosure (source record dc:PM19906518:2023). 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 multifamily housing buildings in Washington, DC
- 5610 COLORADO AVE· 30,040 sq ft · score 46 (D)
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- 4339 Bowen Road South East· 30,000 sq ft · score 27 (D)
- The Roberta· 29,997 sq ft · score 43 (D)
- 2615-2619 42nd St. NW· 29,960 sq ft · score 66 (C)
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- Multifamily Housing buildings in Washington, DC· 1,799 benchmarked
- All Washington, DC benchmarked buildings· Clean and Affordable Energy Act / BEPS
- Most efficient large buildings in Washington, DC
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- Biggest emitters in Washington, DC
Frequently asked questions
What is 2151 California Street NW's energy grade?
2151 California Street NW did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 39.3 kBtu/ft².
How much energy does 2151 California Street NW use?
Its 2023 site energy-use intensity was 39.3 kBtu/ft² (49.6 kBtu/ft² source) across 30,144 sq ft, including 47,648 kWh of electricity and 1,463 therms of natural gas.
What are 2151 California Street NW's carbon emissions?
2151 California Street NW reported 87 tCO₂e of greenhouse-gas emissions (2.9 kgCO₂e/ft²) for 2023.
Where is 2151 California Street NW?
2151 California Street NW is in Washington, DC 20008. Its coordinates are 38.91645, -77.04876 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 2151 California Street NW and when was it built?
2151 California Street NW has 30,144 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.
Is 2151 California Street NW covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2023 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, “2151 California Street NW, Washington, DC — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/2151-california-street-nw-23ee3675 (data as of July 9, 2026).