Longfellow Condominium
Multifamily Housing in Washington, DC, DC · 738 Longfellow Street NW · 20011
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 81 (band B) |
| Site EUI | 46.8 kBtu/ft² |
| Source EUI | 95.9 kBtu/ft² |
| GHG emissions | 215 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 493,348 kWh |
| Natural gas | 12,651 therms |
| Water use | 2,620 kgal |
| Gross floor area | 62,986 sq ft |
| Source record | dc:PM25490713:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 81 | +4 | 46.8 kBtu/ft² | 215 tCO₂e |
| 2023 | 77 | +2 | 46.7 kBtu/ft² | 217 tCO₂e |
| 2022 | 75 | +4 | 49.7 kBtu/ft² | 234 tCO₂e |
| 2021 | 71 | +2 | 49.6 kBtu/ft² | 235 tCO₂e |
| 2020 | 69 | 50.7 kBtu/ft² | 231 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
LONGFELLOW CONDOMINIUM
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Location
- Address
- 738 Longfellow Street NW
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20011
- Coordinates
- 38.95710, -77.02368
Within ~1 km
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See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Longfellow Condominium's energy grade?
Longfellow Condominium scores 81 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 Longfellow Condominium use?
Its 2024 site energy-use intensity was 46.8 kBtu/ft² (95.9 kBtu/ft² source) across 62,986 sq ft, including 493,348 kWh of electricity and 12,651 therms of natural gas.
What are Longfellow Condominium's carbon emissions?
Longfellow Condominium reported 215 tCO₂e of greenhouse-gas emissions (3.4 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:PM25490713:2024.