16 Cobalt LLC
Office in Washington, DC, DC · 1627 K St NW · 20006
At a glance
16 Cobalt LLC is a 64,153-square-foot office building at 1627 K St NW in Washington, DC, built in 1977.
Clean and Affordable Energy Act / BEPS · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 0 kWh |
| Natural gas | 0 therms |
| Water use | 1,096 kgal |
| Gross floor area | 64,153 sq ft |
| Source record | dc:PM14089450:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | — | — | — | |
| 2021 | 46 | +6 | 63.2 kBtu/ft² | 376 tCO₂e |
| 2020 | 40 | 61.7 kBtu/ft² | 381 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
16 COBALT LLC
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1627 K St NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20006
- Coordinates
- 38.90291, -77.03767
Within ~1 km
Nearby benchmarked buildings
- Main Complexscore 59
Office · 1,872,507 sq ft
- International Squarescore 56
Office · 1,233,833 sq ft
- Midtown Centerscore 91
Office · 911,093 sq ft
- Lafayette Centrescore 74
Office · 908,482 sq ft
- 1300 Buildingscore 95
Bank/Financial Institution · 803,167 sq ft
- NGS Headquartersscore 68
Office · 746,237 sq ft
See also: most efficient in Washington, DC · biggest emitters
How does 16 Cobalt LLC compare with other office buildings in Washington, DC?
The latest disclosures cover 899 office buildings in Washington, DC, out of 6,870 buildings citywide.
At 64,153 sq ft, it is about 70% below the average floor area of 216,135 sq ft for those buildings. Its 1977 construction date is close to 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 16 Cobalt LLC's energy performance changed over time?
BuildingCensus holds 3 Washington, DC disclosures for 16 Cobalt LLC, covering report years 2020–2022. Its ENERGY STAR score went from 40 in 2020 to 46 in 2021 (+6 points). Site EUI moved from 61.7 kBtu/ft² (2020) to 63.2 kBtu/ft² (2021), an 2% increase. Reported emissions went from 381 tCO₂e to 376 tCO₂e over the same span (down 1%).
Which law requires 16 Cobalt LLC to report its energy use?
16 Cobalt 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 2022 disclosure (source record dc:PM14089450:2022). 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
- 16 Cobalt, LLC· 63,510 sq ft
- Tellurium· 62,789 sq ft · score 45 (D)
- Chromium· 62,672 sq ft · score 16 (D)
- 1602 L St NW· 62,476 sq ft · score 49 (D)
- American Public Health Association· 62,466 sq ft · score 84 (B)
- 1301 Connecticut Ave· 62,257 sq ft · score 30 (D)
- 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 16 Cobalt LLC's energy grade?
16 Cobalt LLC did not report an ENERGY STAR score in its 2022 disclosure.
How much energy does 16 Cobalt LLC use?
No energy-use intensity was reported for 2022.
What are 16 Cobalt LLC's carbon emissions?
No greenhouse-gas emissions figure was reported for 2022.
Where is 16 Cobalt LLC?
16 Cobalt LLC is at 1627 K St NW, in Washington, DC 20006. Its coordinates are 38.90291, -77.03767 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 16 Cobalt LLC and when was it built?
16 Cobalt LLC has 64,153 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1977 as its year built. It is classed as office.
Is 16 Cobalt LLC covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2022 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Clean and Affordable Energy Act / BEPS.
Working with Washington, DC building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “16 Cobalt LLC, Washington, DC — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/16-cobalt-llc-854f0d82 (data as of July 9, 2026).