The Gatsby
Multifamily Housing in Washington, DC, DC · 1515 O STR NW · 20005
At a glance
The Gatsby is a 50,747-square-foot multifamily housing building at 1515 O STR NW in Washington, DC, built in 2001. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 70 out of 100 (grade B), a site energy-use intensity of 48.0 kBtu/ft² and 177 tCO₂e of greenhouse-gas emissions. That score is higher than 37% of the 1,618 scored multifamily housing buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 70 (band B) |
| Site EUI | 48.0 kBtu/ft² |
| Source EUI | 97.7 kBtu/ft² |
| GHG emissions | 177 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 402,164 kWh |
| Natural gas | 10,641 therms |
| Water use | 1,557 kgal |
| Gross floor area | 50,747 sq ft |
| Source record | dc:PM19508995:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 70 | +8 | 48.0 kBtu/ft² | 177 tCO₂e |
| 2023 | 62 | +3 | 48.2 kBtu/ft² | 179 tCO₂e |
| 2022 | 59 | 53.1 kBtu/ft² | 196 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
1515 O STREET LLC
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Location
- Address
- 1515 O STR NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20005
- Coordinates
- 38.90887, -77.03502
Within ~1 km
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- 9671n-Mayflower Renaissancescore 57
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See also: most efficient in Washington, DC · biggest emitters
How does The Gatsby 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. The Gatsby's ENERGY STAR score of 70 compares with an average of 72 across the 1,618 that report a score; it scores higher than 37% of them and lower than 62%. Its site EUI of 48.0 kBtu/ft² is roughly in line with 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 3.5 kgCO₂e/ft² is roughly in line with the group average of 3.8 kgCO₂e/ft².
At 50,747 sq ft, it is about 63% below the average floor area of 136,346 sq ft for those buildings. It was built in 2001, 36 years later 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 The Gatsby's energy performance changed over time?
BuildingCensus holds 3 Washington, DC disclosures for The Gatsby, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 70 in 2024 (+11 points). Site EUI moved from 53.1 kBtu/ft² (2022) to 48.0 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 196 tCO₂e to 177 tCO₂e over the same span (down 10%).
What does an ENERGY STAR score of 70 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 70 means the building performs better than about 70% of its national peers. BuildingCensus bands the score into report-card grades; 70 falls in band B — above median (70–84). It sits 5 points below 75, the threshold for ENERGY STAR certification. 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. The Gatsby's 48.0 kBtu/ft² across 50,747 sq ft works out to about 2.4 billion Btu (714 MWh-equivalent) in 2024. Its source EUI of 97.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 402,164 kWh of electricity, 10,641 therms of natural gas and 1,557 thousand gallons of water for the year.
Which law requires The Gatsby to report its energy use?
The Gatsby 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:PM19508995:2024). 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 multifamily housing buildings in Washington, DC
- 1365 Kennedy St NW (Madison Terrace)· 50,739 sq ft · score 78 (B)
- Wisteria Mansion Condominium· 50,691 sq ft · score 94 (A)
- Bruce Gardens· 50,636 sq ft · score 86 (A)
- The Griffin· 50,303 sq ft · score 92 (A)
- Rolling Terrace· 50,268 sq ft · score 65 (C)
- 1418-24 Somerset Pl NW· 50,048 sq ft · score 32 (D)
- 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
- Least efficient large buildings in Washington, DC
- Biggest emitters in Washington, DC
Frequently asked questions
What is The Gatsby's energy grade?
The Gatsby scores 70 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Gatsby use?
Its 2024 site energy-use intensity was 48.0 kBtu/ft² (97.7 kBtu/ft² source) across 50,747 sq ft, including 402,164 kWh of electricity and 10,641 therms of natural gas.
What are The Gatsby's carbon emissions?
The Gatsby reported 177 tCO₂e of greenhouse-gas emissions (3.5 kgCO₂e/ft²) for 2024.
Where is The Gatsby?
The Gatsby is at 1515 O STR NW, in Washington, DC 20005. Its coordinates are 38.90887, -77.03502 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is The Gatsby and when was it built?
The Gatsby has 50,747 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2001 as its year built. It is classed as multifamily housing.
Is The Gatsby 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, “The Gatsby, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/the-gatsby-a9ed36a5 (data as of July 9, 2026).