3028 - UM - Union Market - North 500
Office in Washington, DC, DC · 500 Penn Street Northeast · 20002
At a glance
3028 - UM - Union Market - North 500 is a 39,368-square-foot office building at 500 Penn Street Northeast in Washington, DC, built in 1957. In its 2024 Washington, DC benchmarking disclosure it reported a site energy-use intensity of 21.6 kBtu/ft² and 68 tCO₂e of greenhouse-gas emissions.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 21.6 kBtu/ft² |
| Source EUI | 60.5 kBtu/ft² |
| GHG emissions | 68 tCO₂e |
| GHG intensity | 1.7 kgCO₂e/ft² |
| Electricity | 249,107 kWh |
| Natural gas | 0 therms |
| Gross floor area | 39,368 sq ft |
| Source record | dc:PM22129688:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 21.6 kBtu/ft² | 68 tCO₂e | |
| 2023 | — | 21.5 kBtu/ft² | 67 tCO₂e | |
| 2022 | — | 31.5 kBtu/ft² | 108 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
UM 500 PENN STREET NE LLC
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Location
- Address
- 500 Penn Street Northeast
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20002
- Coordinates
- 38.91029, -76.99642
Within ~1 km
Nearby benchmarked buildings
- Gallaudet Universityscore —
College/University · 2,293,900 sq ft
- Union Place-Toll Brothersscore 98
Multifamily Housing · 567,502 sq ft
- The Gale Eckingtonscore 85
Multifamily Housing · 562,172 sq ft
- The Gantry (DC) - gn021 & gn034score 82
Multifamily Housing · 551,849 sq ft
- Union Place (un075)score 87
Multifamily Housing · 550,090 sq ft
- Four Constitution Squarescore 84
Office · 493,620 sq ft
See also: most efficient in Washington, DC · biggest emitters
How does 3028 - UM - Union Market - North 500 compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. Its site EUI of 21.6 kBtu/ft² is about 61% 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 1.7 kgCO₂e/ft² is about 66% below the group average of 5.0 kgCO₂e/ft².
At 39,368 sq ft, it is about 82% below the average floor area of 216,135 sq ft for those buildings. It was built in 1957, 17 years earlier than the group's average year built (1974). 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 3028 - UM - Union Market - North 500's energy performance changed over time?
BuildingCensus holds 3 Washington, DC disclosures for 3028 - UM - Union Market - North 500, covering report years 2022–2024. Site EUI moved from 31.5 kBtu/ft² (2022) to 21.6 kBtu/ft² (2024), a 31% decrease. Reported emissions went from 108 tCO₂e to 68 tCO₂e over the same span (down 37%).
What does a site EUI of 21.6 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. 3028 - UM - Union Market - North 500's 21.6 kBtu/ft² across 39,368 sq ft works out to about 0.9 billion Btu (249 MWh-equivalent) in 2024. Its source EUI of 60.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 249,107 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 3028 - UM - Union Market - North 500 to report its energy use?
3028 - UM - Union Market - North 500 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:PM22129688:2024). 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
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- 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 3028 - UM - Union Market - North 500's energy grade?
3028 - UM - Union Market - North 500 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 21.6 kBtu/ft².
How much energy does 3028 - UM - Union Market - North 500 use?
Its 2024 site energy-use intensity was 21.6 kBtu/ft² (60.5 kBtu/ft² source) across 39,368 sq ft, including 249,107 kWh of electricity and 0 therms of natural gas.
What are 3028 - UM - Union Market - North 500's carbon emissions?
3028 - UM - Union Market - North 500 reported 68 tCO₂e of greenhouse-gas emissions (1.7 kgCO₂e/ft²) for 2024.
Where is 3028 - UM - Union Market - North 500?
3028 - UM - Union Market - North 500 is at 500 Penn Street Northeast, in Washington, DC 20002. Its coordinates are 38.91029, -76.99642 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 3028 - UM - Union Market - North 500 and when was it built?
3028 - UM - Union Market - North 500 has 39,368 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1957 as its year built. It is classed as office.
Is 3028 - UM - Union Market - North 500 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, “3028 - UM - Union Market - North 500, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/3028-um-union-market-north-500-fcabb4ce (data as of July 9, 2026).