Oak Street Preservation LLC
Multifamily Housing in Washington, DC, DC · 1456 Oak Street NW · 20010
At a glance
Oak Street Preservation LLC is a 43,396-square-foot multifamily housing building at 1456 Oak Street NW in Washington, DC, built in 1965. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 42.5 kBtu/ft² and 162 tCO₂e of greenhouse-gas emissions. That score is higher than 24% 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 | 57 (band C) |
| Site EUI | 42.5 kBtu/ft² |
| Source EUI | 119.1 kBtu/ft² |
| GHG emissions | 162 tCO₂e |
| GHG intensity | 3.7 kgCO₂e/ft² |
| Electricity | 541,002 kWh |
| Natural gas | 0 therms |
| Water use | 2,058 kgal |
| Gross floor area | 43,396 sq ft |
| Source record | dc:PM19869381:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 57 | +11 | 42.5 kBtu/ft² | 162 tCO₂e |
| 2023 | 46 | +10 | 43.7 kBtu/ft² | 171 tCO₂e |
| 2022 | 36 | 49.7 kBtu/ft² | 194 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
OAK STREET PRESERVATION LLC
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Location
- Address
- 1456 Oak Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20010
- Coordinates
- 38.93427, -77.03475
Within ~1 km
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See also: most efficient in Washington, DC · biggest emitters
How does Oak Street Preservation LLC 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. Oak Street Preservation LLC's ENERGY STAR score of 57 compares with an average of 72 across the 1,618 that report a score; it scores higher than 24% of them and lower than 75%. Its site EUI of 42.5 kBtu/ft² is about 17% 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 3.7 kgCO₂e/ft² is roughly in line with the group average of 3.8 kgCO₂e/ft².
At 43,396 sq ft, it is about 68% below the average floor area of 136,346 sq ft for those buildings. Its 1965 construction date is close to 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 Oak Street Preservation LLC's energy performance changed over time?
BuildingCensus holds 3 Washington, DC disclosures for Oak Street Preservation LLC, covering report years 2022–2024. Its ENERGY STAR score went from 36 in 2022 to 57 in 2024 (+21 points). Site EUI moved from 49.7 kBtu/ft² (2022) to 42.5 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 194 tCO₂e to 162 tCO₂e over the same span (down 16%).
What does an ENERGY STAR score of 57 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 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 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. Oak Street Preservation LLC's 42.5 kBtu/ft² across 43,396 sq ft works out to about 1.8 billion Btu (541 MWh-equivalent) in 2024. Its source EUI of 119.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 541,002 kWh of electricity, 0 therms of natural gas and 2,058 thousand gallons of water for the year.
Which law requires Oak Street Preservation LLC to report its energy use?
Oak Street Preservation LLC 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:PM19869381:2024). 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
- Sarah's Circle: Sarah's Circle - Building A· 43,246 sq ft · score 55 (C)
- Edgewood II (Edgewood Gardens)· 43,230 sq ft · score 79 (B)
- Greenleaf Addition· 43,200 sq ft · score 70 (B)
- Whitelaw· 43,179 sq ft · score 97 (A)
- 1055 HIGH CONDOMINIUM· 43,143 sq ft · EUI 50.4 kBtu/ft²
- Rocksboro· 43,124 sq ft · score 75 (B)
- Multifamily Housing buildings in Washington, DC· 1,799 benchmarked
- All Washington, DC benchmarked buildings· Clean and Affordable Energy Act / BEPS
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- Biggest emitters in Washington, DC
Frequently asked questions
What is Oak Street Preservation LLC's energy grade?
Oak Street Preservation LLC scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Oak Street Preservation LLC use?
Its 2024 site energy-use intensity was 42.5 kBtu/ft² (119.1 kBtu/ft² source) across 43,396 sq ft, including 541,002 kWh of electricity and 0 therms of natural gas.
What are Oak Street Preservation LLC's carbon emissions?
Oak Street Preservation LLC reported 162 tCO₂e of greenhouse-gas emissions (3.7 kgCO₂e/ft²) for 2024.
Where is Oak Street Preservation LLC?
Oak Street Preservation LLC is at 1456 Oak Street NW, in Washington, DC 20010. Its coordinates are 38.93427, -77.03475 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Oak Street Preservation LLC and when was it built?
Oak Street Preservation LLC has 43,396 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1965 as its year built. It is classed as multifamily housing.
Is Oak Street Preservation LLC 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, “Oak Street Preservation LLC, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/oak-street-preservation-llc-7f3b1c0f (data as of July 9, 2026).