646 E 231st St
Multifamily Housing in New York City, NY · 10466
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 9 (band D) |
| Site EUI | 142.6 kBtu/ft² |
| Source EUI | 164.7 kBtu/ft² |
| GHG emissions | 597 tCO₂e |
| GHG intensity | 11.1 kgCO₂e/ft² |
| Electricity | 180,989 kWh |
| Natural gas | 2,752 therms |
| Water use | 6,576 kgal |
| Gross floor area | 53,860 sq ft |
| Source record | nyc:4869616:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 9 | -4 | 142.6 kBtu/ft² | 597 tCO₂e |
| 2023 | 13 | +3 | 135.6 kBtu/ft² | 563 tCO₂e |
| 2022 | 10 | 149.3 kBtu/ft² | 605 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
- 646 E 231st St
- City
- New York City
- State
- New York
- ZIP
- 10466
- Coordinates
- 40.89259, -73.85987
Within ~1 km
Nearby benchmarked buildings
- The Wakefield Hospital Campusscore 56
Hospital (General Medical & Surgical) · 527,197 sq ft
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Multifamily Housing · 249,248 sq ft
- 613 East 233 Street Garagescore —
Parking · 234,000 sq ft
K-12 School · 178,800 sq ft
- 3856 Bronx Boulevardscore 16
Multifamily Housing · 167,750 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 646 E 231st St's energy grade?
646 E 231st St scores 9 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 646 E 231st St use?
Its 2024 site energy-use intensity was 142.6 kBtu/ft² (164.7 kBtu/ft² source) across 53,860 sq ft, including 180,989 kWh of electricity and 2,752 therms of natural gas.
What are 646 E 231st St's carbon emissions?
646 E 231st St reported 597 tCO₂e of greenhouse-gas emissions (11.1 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:4869616:2024.