The Onyx Chelsea Condominium (261 W. 28th Street)
Multifamily Housing in New York City, NY · 261 W. 28th Street · 10001
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 49 (band D) |
| Site EUI | 49.3 kBtu/ft² |
| Source EUI | 107.7 kBtu/ft² |
| GHG emissions | 355 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 723,467 kWh |
| Natural gas | 13,369 therms |
| Water use | 2,641 kgal |
| Gross floor area | 77,201 sq ft |
| Source record | nyc:20413863:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 49 | +11 | 49.3 kBtu/ft² | 355 tCO₂e |
| 2023 | 38 | -18 | 49.5 kBtu/ft² | 359 tCO₂e |
| 2022 | 56 | 47.1 kBtu/ft² | 282 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
- 261 W. 28th Street
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74794, -73.99499
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 The Onyx Chelsea Condominium (261 W. 28th Street)'s energy grade?
The Onyx Chelsea Condominium (261 W. 28th Street) scores 49 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 The Onyx Chelsea Condominium (261 W. 28th Street) use?
Its 2024 site energy-use intensity was 49.3 kBtu/ft² (107.7 kBtu/ft² source) across 77,201 sq ft, including 723,467 kWh of electricity and 13,369 therms of natural gas.
What are The Onyx Chelsea Condominium (261 W. 28th Street)'s carbon emissions?
The Onyx Chelsea Condominium (261 W. 28th Street) reported 355 tCO₂e of greenhouse-gas emissions (4.6 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:20413863:2024.