18-20 West 21st Street
Office in New York City, NY · 10010
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 89 (band A) |
| Site EUI | 28.1 kBtu/ft² |
| Source EUI | 69.2 kBtu/ft² |
| GHG emissions | 155 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 356,080 kWh |
| Natural gas | 2,884 therms |
| Water use | 487 kgal |
| Gross floor area | 53,500 sq ft |
| Source record | nyc:6722396:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 89 | +15 | 28.1 kBtu/ft² | 155 tCO₂e |
| 2023 | 74 | +9 | 44.9 kBtu/ft² | 179 tCO₂e |
| 2022 | 65 | 63.0 kBtu/ft² | 191 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
- 18-20 West 21st Street
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.74062, -73.99138
Within ~1 km
Nearby benchmarked buildings
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
- 11 Madison Avenuescore 77
Office · 2,228,574 sq ft
- 51 Madisonscore 79
Office · 1,485,386 sq ft
- One Madison Avenuescore —
Office · 1,339,997 sq ft
- ConEd Irving Placescore 55
Office · 1,255,204 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 18-20 West 21st Street's energy grade?
18-20 West 21st Street scores 89 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 18-20 West 21st Street use?
Its 2024 site energy-use intensity was 28.1 kBtu/ft² (69.2 kBtu/ft² source) across 53,500 sq ft, including 356,080 kWh of electricity and 2,884 therms of natural gas.
What are 18-20 West 21st Street's carbon emissions?
18-20 West 21st Street reported 155 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:6722396:2024.