1430 K Street Condominium
Office in Washington, DC, DC · 1430 K Street, NW · 20005
At a glance
1430 K Street Condominium is a 78,002-square-foot office building at 1430 K Street, NW in Washington, DC, built in 2006. In its 2024 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 46 out of 100 (grade D), a site energy-use intensity of 69.8 kBtu/ft² and 478 tCO₂e of greenhouse-gas emissions. That score is higher than 13% of the 774 scored office buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 69.8 kBtu/ft² |
| Source EUI | 195.3 kBtu/ft² |
| GHG emissions | 478 tCO₂e |
| GHG intensity | 6.1 kgCO₂e/ft² |
| Electricity | 1,594,611 kWh |
| Natural gas | 0 therms |
| Water use | 731 kgal |
| Gross floor area | 78,002 sq ft |
| Source record | dc:PM4377589:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 46 | +17 | 69.8 kBtu/ft² | 478 tCO₂e |
| 2023 | 29 | +20 | 75.5 kBtu/ft² | 517 tCO₂e |
| 2022 | 9 | -7 | 107.9 kBtu/ft² | 733 tCO₂e |
| 2021 | 16 | -6 | 96.2 kBtu/ft² | 696 tCO₂e |
| 2020 | 22 | -18 | 85.2 kBtu/ft² | 636 tCO₂e |
| 2019 | 40 | +15 | 74.6 kBtu/ft² | 546 tCO₂e |
| 2018 | 25 | -1 | 84.6 kBtu/ft² | 632 tCO₂e |
| 2017 | 26 | +4 | 88.3 kBtu/ft² | 764 tCO₂e |
| 2016 | 22 | +9 | 94.8 kBtu/ft² | 848 tCO₂e |
| 2015 | 13 | 107.2 kBtu/ft² | 1,120 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
THE KINGDOM OF BELGIUM
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Location
- Address
- 1430 K Street, NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20005
- Coordinates
- 38.90220, -77.03311
Within ~1 km
Nearby benchmarked buildings
- Midtown Centerscore 91
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- Hyatt Grand Washington DCscore 67
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- 1300 Buildingscore 95
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- NGS Headquartersscore 68
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See also: most efficient in Washington, DC · biggest emitters
How does 1430 K Street Condominium compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide. 1430 K Street Condominium's ENERGY STAR score of 46 compares with an average of 70 across the 774 that report a score; it scores higher than 13% of them and lower than 87%. Its site EUI of 69.8 kBtu/ft² is about 26% above the average of 55.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.1 kgCO₂e/ft² is about 22% above the group average of 5.0 kgCO₂e/ft².
At 78,002 sq ft, it is about 64% below the average floor area of 216,135 sq ft for those buildings. It was built in 2006, 32 years later 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 1430 K Street Condominium's energy performance changed over time?
BuildingCensus holds 10 Washington, DC disclosures for 1430 K Street Condominium, covering report years 2015–2024. Its ENERGY STAR score went from 13 in 2015 to 46 in 2024 (+33 points). Site EUI moved from 107.2 kBtu/ft² (2015) to 69.8 kBtu/ft² (2024), a 35% decrease. Reported emissions went from 1,120 tCO₂e to 478 tCO₂e over the same span (down 57%).
What does an ENERGY STAR score of 46 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 46 means the building performs better than about 46% of its national peers. BuildingCensus bands the score into report-card grades; 46 falls in band D — lowest band (1–54). It sits 29 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. 1430 K Street Condominium's 69.8 kBtu/ft² across 78,002 sq ft works out to about 5.4 billion Btu (1,596 MWh-equivalent) in 2024. Its source EUI of 195.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,594,611 kWh of electricity, 0 therms of natural gas and 731 thousand gallons of water for the year.
Which law requires 1430 K Street Condominium to report its energy use?
1430 K Street Condominium 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:PM4377589:2024). 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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- 2100 MLK· 76,857 sq ft · score 53 (D)
- Republican National Committee· 76,332 sq ft · score 69 (C)
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- Office buildings in Washington, DC· 899 benchmarked
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- Most efficient large buildings in Washington, DC
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Frequently asked questions
What is 1430 K Street Condominium's energy grade?
1430 K Street Condominium scores 46 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1430 K Street Condominium use?
Its 2024 site energy-use intensity was 69.8 kBtu/ft² (195.3 kBtu/ft² source) across 78,002 sq ft, including 1,594,611 kWh of electricity and 0 therms of natural gas.
What are 1430 K Street Condominium's carbon emissions?
1430 K Street Condominium reported 478 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.
Where is 1430 K Street Condominium?
1430 K Street Condominium is at 1430 K Street, NW, in Washington, DC 20005. Its coordinates are 38.90220, -77.03311 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 1430 K Street Condominium and when was it built?
1430 K Street Condominium has 78,002 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2006 as its year built. It is classed as office.
Is 1430 K Street Condominium 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, “1430 K Street Condominium, Washington, DC — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/1430-k-street-condominium-fb542366 (data as of July 9, 2026).