Small Claims Court - Bldg. B
Courthouse in Washington, DC, DC · 510 4th Street, NW · 20001
At a glance
Small Claims Court - Bldg. B is a 122,500-square-foot courthouse building at 510 4th Street, NW in Washington, DC, built in 1937. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 56 out of 100 (grade C), a site energy-use intensity of 69.2 kBtu/ft² and 669 tCO₂e of greenhouse-gas emissions. That score is higher than 30% of the 3,255 scored buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 56 (band C) |
| Site EUI | 69.2 kBtu/ft² |
| Source EUI | 188.0 kBtu/ft² |
| GHG emissions | 669 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 2,357,439 kWh |
| Natural gas | 0 therms |
| Gross floor area | 122,500 sq ft |
| Source record | dc:PM30806410:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 56 | -9 | 69.2 kBtu/ft² | 669 tCO₂e |
| 2023 | 65 | -4 | 62.2 kBtu/ft² | 653 tCO₂e |
| 2022 | 69 | +14 | 61.2 kBtu/ft² | 632 tCO₂e |
| 2021 | 55 | -1 | 72.9 kBtu/ft² | 776 tCO₂e |
| 2020 | 56 | +1 | 71.7 kBtu/ft² | 742 tCO₂e |
| 2019 | 55 | +1 | 74.3 kBtu/ft² | 812 tCO₂e |
| 2018 | 54 | 71.2 kBtu/ft² | 825 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
UNITED STATES OF AMERICA & DISTRICT OF COLUMIBA
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Location
- Address
- 510 4th Street, NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20001
- Coordinates
- 38.89705, -77.01752
Within ~1 km
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How does Small Claims Court - Bldg. B compare with other courthouse buildings in Washington, DC?
The latest disclosures cover 5 courthouse buildings in Washington, DC, out of 6,870 buildings citywide. Small Claims Court - Bldg. B's ENERGY STAR score of 56 compares with an average of 31 across the 4 that report a score. Its site EUI of 69.2 kBtu/ft² is about 31% below the average of 101.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is about 29% below the group average of 7.7 kgCO₂e/ft².
At 122,500 sq ft, it is about half of the average floor area of 237,611 sq ft for those buildings. Its 1937 construction date is close to the group's average year built (1934). Across all 24 jurisdictions BuildingCensus covers, the 178 courthouse buildings average an ENERGY STAR score of 62 and a site EUI of 76.2 kBtu/ft².
How has Small Claims Court - Bldg. B's energy performance changed over time?
BuildingCensus holds 7 Washington, DC disclosures for Small Claims Court - Bldg. B, covering report years 2018–2024. Its ENERGY STAR score went from 54 in 2018 to 56 in 2024 (+2 points); its best year on file was 2022, at 69. Site EUI moved from 71.2 kBtu/ft² (2018) to 69.2 kBtu/ft² (2024), a 3% decrease. Reported emissions went from 825 tCO₂e to 669 tCO₂e over the same span (down 19%).
What does an ENERGY STAR score of 56 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 56 means the building performs better than about 56% of its national peers. BuildingCensus bands the score into report-card grades; 56 falls in band C — below median (55–69). It sits 19 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. Small Claims Court - Bldg. B's 69.2 kBtu/ft² across 122,500 sq ft works out to about 8.5 billion Btu (2,484 MWh-equivalent) in 2024. Its source EUI of 188.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,357,439 kWh of electricity and 0 therms of natural gas for the year.
Which law requires Small Claims Court - Bldg. B to report its energy use?
Small Claims Court - Bldg. B 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:PM30806410:2024). 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 courthouse buildings in Washington, DC
Frequently asked questions
What is Small Claims Court - Bldg. B's energy grade?
Small Claims Court - Bldg. B scores 56 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 Small Claims Court - Bldg. B use?
Its 2024 site energy-use intensity was 69.2 kBtu/ft² (188.0 kBtu/ft² source) across 122,500 sq ft, including 2,357,439 kWh of electricity and 0 therms of natural gas.
What are Small Claims Court - Bldg. B's carbon emissions?
Small Claims Court - Bldg. B reported 669 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2024.
Where is Small Claims Court - Bldg. B?
Small Claims Court - Bldg. B is at 510 4th Street, NW, in Washington, DC 20001. Its coordinates are 38.89705, -77.01752 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Small Claims Court - Bldg. B and when was it built?
Small Claims Court - Bldg. B has 122,500 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1937 as its year built. It is classed as courthouse.
Is Small Claims Court - Bldg. B 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, “Small Claims Court - Bldg. B, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/small-claims-court-bldg-b-fde11238 (data as of July 9, 2026).