TMG 1400 L Street LLC
Office in Washington, DC, DC · 1400 L Street NW · 20005
At a glance
TMG 1400 L Street LLC is a 181,059-square-foot office building at 1400 L Street NW in Washington, DC, built in 1987. In its 2018 Washington, DC benchmarking disclosure it reported an ENERGY STAR score of 40 out of 100 (grade D), a site energy-use intensity of 69.3 kBtu/ft² and 1,272 tCO₂e of greenhouse-gas emissions. That score is higher than 9% of the 774 scored office buildings in Washington, DC.
Clean and Affordable Energy Act / BEPS · reporting year 2018
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 40 (band D) |
| Site EUI | 69.3 kBtu/ft² |
| Source EUI | 194.2 kBtu/ft² |
| GHG emissions | 1,272 tCO₂e |
| GHG intensity | 7.0 kgCO₂e/ft² |
| Electricity | 3,679,690 kWh |
| Natural gas | 0 therms |
| Water use | 4,231 kgal |
| Gross floor area | 181,059 sq ft |
| Source record | dc:PM5888480:2018 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2018latest | 40 | -4 | 69.3 kBtu/ft² | 1,272 tCO₂e |
| 2017 | 44 | +9 | 84.0 kBtu/ft² | 1,609 tCO₂e |
| 2016 | 35 | 94.7 kBtu/ft² | 1,874 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
TMG 1400 L STREET LLC
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Location
- Address
- 1400 L Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20005
- Coordinates
- 38.90345, -77.03239
Within ~1 km
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How does TMG 1400 L Street 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. TMG 1400 L Street LLC's ENERGY STAR score of 40 compares with an average of 70 across the 774 that report a score; it scores higher than 9% of them and lower than 91%. Its site EUI of 69.3 kBtu/ft² is about 25% 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 7.0 kgCO₂e/ft² is about 40% above the group average of 5.0 kgCO₂e/ft².
At 181,059 sq ft, it is about 16% below the average floor area of 216,135 sq ft for those buildings. It was built in 1987, 13 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 TMG 1400 L Street LLC's energy performance changed over time?
BuildingCensus holds 3 Washington, DC disclosures for TMG 1400 L Street LLC, covering report years 2016–2018. Its ENERGY STAR score went from 35 in 2016 to 40 in 2018 (+5 points); its best year on file was 2017, at 44. Site EUI moved from 94.7 kBtu/ft² (2016) to 69.3 kBtu/ft² (2018), a 27% decrease. Reported emissions went from 1,874 tCO₂e to 1,272 tCO₂e over the same span (down 32%).
What does an ENERGY STAR score of 40 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 40 means the building performs better than about 40% of its national peers. BuildingCensus bands the score into report-card grades; 40 falls in band D — lowest band (1–54). It sits 35 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. TMG 1400 L Street LLC's 69.3 kBtu/ft² across 181,059 sq ft works out to about 12.5 billion Btu (3,677 MWh-equivalent) in 2018. Its source EUI of 194.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 3,679,690 kWh of electricity, 0 therms of natural gas and 4,231 thousand gallons of water for the year.
Which law requires TMG 1400 L Street LLC to report its energy use?
TMG 1400 L Street 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 2018 disclosure (source record dc:PM5888480:2018). 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
- 1722 Eye Street· 180,564 sq ft · score 68 (C)
- 1101 15th Street· 180,343 sq ft · score 71 (B)
- 1750 K Street NW· 180,086 sq ft · EUI 35.1 kBtu/ft²
- 2001 L Street (Whole Building)· 179,732 sq ft · score 43 (D)
- 1400 L St NW· 178,747 sq ft · score 72 (B)
- OFC Building· 178,421 sq ft · score 84 (B)
- 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 TMG 1400 L Street LLC's energy grade?
TMG 1400 L Street LLC scores 40 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2018 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does TMG 1400 L Street LLC use?
Its 2018 site energy-use intensity was 69.3 kBtu/ft² (194.2 kBtu/ft² source) across 181,059 sq ft, including 3,679,690 kWh of electricity and 0 therms of natural gas.
What are TMG 1400 L Street LLC's carbon emissions?
TMG 1400 L Street LLC reported 1,272 tCO₂e of greenhouse-gas emissions (7.0 kgCO₂e/ft²) for 2018.
Where is TMG 1400 L Street LLC?
TMG 1400 L Street LLC is at 1400 L Street NW, in Washington, DC 20005. Its coordinates are 38.90345, -77.03239 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is TMG 1400 L Street LLC and when was it built?
TMG 1400 L Street LLC has 181,059 sq ft of gross floor area, as reported in its 2018 disclosure. The disclosure lists 1987 as its year built. It is classed as office.
Is TMG 1400 L Street LLC covered by the Clean and Affordable Energy Act / BEPS?
Yes — it appears in the 2018 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, “TMG 1400 L Street LLC, Washington, DC — 2018 benchmarking disclosure”, https://buildingcensus.com/buildings/washington-dc/tmg-1400-l-street-llc-ab8a2de7 (data as of July 9, 2026).