311 West 231st Street
Senior Living Community in New York City, NY · 10463
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 83.1 kBtu/ft² |
| Source EUI | 225.8 kBtu/ft² |
| GHG emissions | 549 tCO₂e |
| GHG intensity | 9.3 kgCO₂e/ft² |
| Electricity | 1,363,967 kWh |
| Natural gas | 1,996 therms |
| Gross floor area | 58,795 sq ft |
| Source record | nyc:3109946:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 46 | 83.1 kBtu/ft² | 549 tCO₂e | |
| 2023 | — | 97.4 kBtu/ft² | 572 tCO₂e | |
| 2022 | — | 127.4 kBtu/ft² | 566 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 311 West 231st Street
- City
- New York City
- State
- New York
- ZIP
- 10463
- Coordinates
- 40.88110, -73.90888
Within ~1 km
Nearby benchmarked buildings
- MARBLE HILLscore 48
Multifamily Housing · 1,524,105 sq ft
- 2600 Netherland Avenuescore —
Multifamily Housing · 886,807 sq ft
College/University · 862,179 sq ft
- Olnick - The Centuryscore 28
Multifamily Housing · 844,578 sq ft
- 3333 Henry Hudson Parkwayscore 74
Multifamily Housing · 711,270 sq ft
Multifamily Housing · 681,665 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 311 West 231st Street's energy grade?
311 West 231st Street scores 46 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 311 West 231st Street use?
Its 2024 site energy-use intensity was 83.1 kBtu/ft² (225.8 kBtu/ft² source) across 58,795 sq ft, including 1,363,967 kWh of electricity and 1,996 therms of natural gas.
What are 311 West 231st Street's carbon emissions?
311 West 231st Street reported 549 tCO₂e of greenhouse-gas emissions (9.3 kgCO₂e/ft²) for 2024. Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:3109946:2024.