The CoStar Group Building
Office in Washington, DC, DC · 1331 L Street, NW · 20005
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 71 (band B) |
| Site EUI | 61.0 kBtu/ft² |
| Source EUI | 170.8 kBtu/ft² |
| GHG emissions | 1,063 tCO₂e |
| GHG intensity | 5.3 kgCO₂e/ft² |
| Electricity | 3,548,263 kWh |
| Natural gas | 0 therms |
| Water use | 2,127 kgal |
| Gross floor area | 198,452 sq ft |
| Source record | dc:PM1492661:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 71 | -10 | 61.0 kBtu/ft² | 1,063 tCO₂e |
| 2023 | 81 | +4 | 52.7 kBtu/ft² | 940 tCO₂e |
| 2022 | 77 | +3 | 57.2 kBtu/ft² | 989 tCO₂e |
| 2021 | 74 | -6 | 54.8 kBtu/ft² | 1,010 tCO₂e |
| 2020 | 80 | ±0 | 50.8 kBtu/ft² | 936 tCO₂e |
| 2019 | 80 | +5 | 64.9 kBtu/ft² | 1,233 tCO₂e |
| 2018 | 75 | 71.8 kBtu/ft² | 1,365 tCO₂e | |
| 2017 | — | 69.1 kBtu/ft² | 1,522 tCO₂e | |
| 2016 | 87 | -1 | 68.1 kBtu/ft² | 6,064 tCO₂e |
| 2015 | 88 | -3 | 66.8 kBtu/ft² | 5,949 tCO₂e |
| 2014 | 91 | -1 | 63.5 kBtu/ft² | 5,656 tCO₂e |
| 2013 | 92 | +4 | 60.1 kBtu/ft² | 4,742 tCO₂e |
| 2012 | 88 | 62.9 kBtu/ft² | 1,581 tCO₂e |
Compliance context
Clean and Affordable Energy Act / BEPS
DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.
Ownership
MANGER 8-10-34 TRUST PARTNERS LLC
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Location
- Address
- 1331 L Street, NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20005
- Coordinates
- 38.90392, -77.03106
Within ~1 km
Nearby benchmarked buildings
Convention Center · 1,750,000 sq ft
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- Midtown Centerscore 91
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is The CoStar Group Building's energy grade?
The CoStar Group Building scores 71 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Washington, DC disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The CoStar Group Building use?
Its 2024 site energy-use intensity was 61.0 kBtu/ft² (170.8 kBtu/ft² source) across 198,452 sq ft, including 3,548,263 kWh of electricity and 0 therms of natural gas.
What are The CoStar Group Building's carbon emissions?
The CoStar Group Building reported 1,063 tCO₂e of greenhouse-gas emissions (5.3 kgCO₂e/ft²) for 2024. DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve on 5-year compliance cycles, with penalties for buildings that fail to meet their pathway.
Dataset updated . Source: Building Energy Benchmarking disclosure, record dc:PM1492661:2024.