Mayfair Mansions
Multifamily Housing in Washington, DC, DC · 3744 1/2 Hayes Street, NE · 20019
Clean and Affordable Energy Act / BEPS · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 24 (band D) |
| Site EUI | 54.1 kBtu/ft² |
| Source EUI | 151.0 kBtu/ft² |
| GHG emissions | 1,266 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 4,659,465 kWh |
| Natural gas | 0 therms |
| Water use | 21,039 kgal |
| Gross floor area | 295,326 sq ft |
| Source record | dc:PM3314944:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 24 | +8 | 54.1 kBtu/ft² | 1,266 tCO₂e |
| 2023 | 16 | -21 | 55.8 kBtu/ft² | 1,307 tCO₂e |
| 2022 | 37 | +5 | 50.7 kBtu/ft² | 1,337 tCO₂e |
| 2021 | 32 | +1 | 51.6 kBtu/ft² | 1,362 tCO₂e |
| 2020 | 31 | -7 | 50.9 kBtu/ft² | 1,302 tCO₂e |
| 2019 | 38 | +4 | 50.8 kBtu/ft² | 1,390 tCO₂e |
| 2018 | 34 | -40 | 52.9 kBtu/ft² | 1,496 tCO₂e |
| 2016 | 74 | -6 | 38.5 kBtu/ft² | 1,325 tCO₂e |
| 2015 | 80 | -20 | 36.4 kBtu/ft² | 1,462 tCO₂e |
| 2014 | 100 | 3.1 kBtu/ft² | 171 tCO₂e | |
| 2013 | — | 2.9 kBtu/ft² | 153 tCO₂e | |
| 2012 | — | 2.6 kBtu/ft² | 156 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
MAYFAIR MANSIONS LIMITED PARTNERSHIP
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 3744 1/2 Hayes Street, NE
- City
- Washington, DC
- State
- District of Columbia
- ZIP
- 20019
- Coordinates
- 38.90369, -76.95019
Within ~1 km
Nearby benchmarked buildings
- Paradise at Parksidescore 88
Multifamily Housing · 556,453 sq ft
- Mayfair Mansionsscore 31
Multifamily Housing · 417,812 sq ft
- Park 7score 12
Multifamily Housing · 400,000 sq ft
- Park 7score —
Multifamily Housing · 353,695 sq ft
Office · 283,479 sq ft
Office · 228,025 sq ft
See also: most efficient in Washington, DC · biggest emitters
Frequently asked questions
What is Mayfair Mansions's energy grade?
Mayfair Mansions scores 24 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 Mayfair Mansions use?
Its 2024 site energy-use intensity was 54.1 kBtu/ft² (151.0 kBtu/ft² source) across 295,326 sq ft, including 4,659,465 kWh of electricity and 0 therms of natural gas.
What are Mayfair Mansions's carbon emissions?
Mayfair Mansions reported 1,266 tCO₂e of greenhouse-gas emissions (4.3 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:PM3314944:2024.