600 - 435 West 23rd Street
Multifamily Housing in New York City, NY · 435 West 23rd Street · 10011
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 88 (band A) |
| Site EUI | 62.4 kBtu/ft² |
| Source EUI | 87.7 kBtu/ft² |
| GHG emissions | 3,997 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 3,610,623 kWh |
| Natural gas | 485,545 therms |
| Gross floor area | 975,170 sq ft |
| Source record | nyc:33987261:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 88 | +5 | 62.4 kBtu/ft² | 3,997 tCO₂e |
| 2023 | 83 | 69.5 kBtu/ft² | 4,158 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
- 435 West 23rd Street
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74697, -74.00244
Within ~1 km
Nearby benchmarked buildings
- Hudson Yards Cogen Campusscore —
Other · 7,739,076 sq ft
- Manhattan Westscore —
Other · 4,153,954 sq ft
- 20-30 Hudson Yardsscore —
Office · 3,810,623 sq ft
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 50 Hudson Yardsscore 76
Office · 2,944,455 sq ft
- The Spiral - 66 Hudson Boulevardscore 82
Office · 2,830,000 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 600 - 435 West 23rd Street's energy grade?
600 - 435 West 23rd Street scores 88 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 600 - 435 West 23rd Street use?
Its 2024 site energy-use intensity was 62.4 kBtu/ft² (87.7 kBtu/ft² source) across 975,170 sq ft, including 3,610,623 kWh of electricity and 485,545 therms of natural gas.
What are 600 - 435 West 23rd Street's carbon emissions?
600 - 435 West 23rd Street reported 3,997 tCO₂e of greenhouse-gas emissions (4.1 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:33987261:2024.