517 West 121st Street
Multifamily Housing in New York City, NY · 10027
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 24.8 kBtu/ft² |
| Source EUI | 69.5 kBtu/ft² |
| GHG emissions | 321 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 818,350 kWh |
| Gross floor area | 112,500 sq ft |
| Source record | nyc:3617719:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | +1 | 24.8 kBtu/ft² | 321 tCO₂e |
| 2023 | 99 | ±0 | 27.1 kBtu/ft² | 332 tCO₂e |
| 2022 | 99 | 28.5 kBtu/ft² | 271 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
- 517 West 121st Street
- City
- New York City
- State
- New York
- ZIP
- 10027
- Coordinates
- 40.81060, -73.96011
Within ~1 km
Nearby benchmarked buildings
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- Manhattanville Campusscore —
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See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 517 West 121st Street's energy grade?
517 West 121st Street scores 100 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 517 West 121st Street use?
Its 2024 site energy-use intensity was 24.8 kBtu/ft² (69.5 kBtu/ft² source) across 112,500 sq ft, including 818,350 kWh of electricity.
What are 517 West 121st Street's carbon emissions?
517 West 121st Street reported 321 tCO₂e of greenhouse-gas emissions (2.9 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:3617719:2024.