620 West 171st Street AKA 4051 Broadway
Multifamily Housing in New York City, NY · 10032
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 22 (band D) |
| Site EUI | 96.7 kBtu/ft² |
| Source EUI | 147.3 kBtu/ft² |
| GHG emissions | 465 tCO₂e |
| GHG intensity | 6.8 kgCO₂e/ft² |
| Electricity | 527,138 kWh |
| Natural gas | 48,483 therms |
| Water use | 2,358 kgal |
| Gross floor area | 68,752 sq ft |
| Source record | nyc:6312151:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 22 | +3 | 96.7 kBtu/ft² | 465 tCO₂e |
| 2023 | 19 | -16 | 98.6 kBtu/ft² | 459 tCO₂e |
| 2022 | 35 | 99.6 kBtu/ft² | 408 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
- 620 West 171st Street AKA 4051 Broadway
- City
- New York City
- State
- New York
- ZIP
- 10032
- Coordinates
- 40.84336, -73.93951
Within ~1 km
Nearby benchmarked buildings
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- Rachel Bridge Associates LLCscore 25
Multifamily Housing · 1,006,620 sq ft
- RACHEL BRIDGE BBL 1-02153-0001score 98
Multifamily Housing · 503,310 sq ft
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- Towers 2,3score 1
Residence Hall/Dormitory · 331,464 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 620 West 171st Street AKA 4051 Broadway's energy grade?
620 West 171st Street AKA 4051 Broadway scores 22 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 620 West 171st Street AKA 4051 Broadway use?
Its 2024 site energy-use intensity was 96.7 kBtu/ft² (147.3 kBtu/ft² source) across 68,752 sq ft, including 527,138 kWh of electricity and 48,483 therms of natural gas.
What are 620 West 171st Street AKA 4051 Broadway's carbon emissions?
620 West 171st Street AKA 4051 Broadway reported 465 tCO₂e of greenhouse-gas emissions (6.8 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:6312151:2024.