Dew Seven: 45-51 West 21 St
Office in New York City, NY · 45-51 W 21 St · 10010
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 85 (band A) |
| Site EUI | 50.8 kBtu/ft² |
| Source EUI | 98.7 kBtu/ft² |
| GHG emissions | 323 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 569,920 kWh |
| Natural gas | 18,585 therms |
| Water use | 896 kgal |
| Gross floor area | 74,900 sq ft |
| Source record | nyc:3917686:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 85 | -2 | 50.8 kBtu/ft² | 323 tCO₂e |
| 2023 | 87 | ±0 | 45.8 kBtu/ft² | 288 tCO₂e |
| 2022 | 87 | 48.7 kBtu/ft² | 250 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
- 45-51 W 21 St
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.74090, -73.99200
Within ~1 km
Nearby benchmarked buildings
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- ESRT - Empire State Buildingscore 78
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- 11 Madison Avenuescore 77
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- 51 Madisonscore 79
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- One Madison Avenuescore —
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- ConEd Irving Placescore 55
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See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is Dew Seven: 45-51 West 21 St's energy grade?
Dew Seven: 45-51 West 21 St scores 85 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 Dew Seven: 45-51 West 21 St use?
Its 2024 site energy-use intensity was 50.8 kBtu/ft² (98.7 kBtu/ft² source) across 74,900 sq ft, including 569,920 kWh of electricity and 18,585 therms of natural gas.
What are Dew Seven: 45-51 West 21 St's carbon emissions?
Dew Seven: 45-51 West 21 St reported 323 tCO₂e of greenhouse-gas emissions (4.3 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:3917686:2024.