234 West 21st Street
Multifamily Housing in New York City, NY · 10011
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 58.0 kBtu/ft² |
| Source EUI | 82.3 kBtu/ft² |
| GHG emissions | 158 tCO₂e |
| GHG intensity | 4.8 kgCO₂e/ft² |
| Electricity | 126,708 kWh |
| Natural gas | 453 therms |
| Water use | 942 kgal |
| Gross floor area | 32,718 sq ft |
| Source record | nyc:31978251:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | +4 | 58.0 kBtu/ft² | 158 tCO₂e |
| 2023 | 96 | 51.1 kBtu/ft² | 136 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 234 West 21st Street
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74333, -73.99783
Within ~1 km
Nearby benchmarked buildings
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 111 Eighth Avenuescore —
Office · 2,375,706 sq ft
- (71003A) Herald Square Macy'sscore 70
Retail Store · 2,192,088 sq ft
- Benchmarking Group - 3score —
College/University · 1,221,878 sq ft
- PENN 11score 78
Office · 1,151,102 sq ft
- Manhattan Chelsea Marketscore —
Office · 1,116,700 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 234 West 21st Street's energy grade?
234 West 21st 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 234 West 21st Street use?
Its 2024 site energy-use intensity was 58.0 kBtu/ft² (82.3 kBtu/ft² source) across 32,718 sq ft, including 126,708 kWh of electricity and 453 therms of natural gas.
What are 234 West 21st Street's carbon emissions?
234 West 21st Street reported 158 tCO₂e of greenhouse-gas emissions (4.8 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:31978251:2024.