Cornerstone: 40 Downing St.
Multifamily Housing in New York City, NY · 40 Downing Street · 10014
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 30.3 kBtu/ft² |
| Source EUI | 37.9 kBtu/ft² |
| GHG emissions | 95 tCO₂e |
| GHG intensity | 2.4 kgCO₂e/ft² |
| Electricity | 46,849 kWh |
| Natural gas | 126 therms |
| Water use | 20 kgal |
| Gross floor area | 39,430 sq ft |
| Source record | nyc:6808433:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | +1 | 30.3 kBtu/ft² | 95 tCO₂e |
| 2023 | 99 | -1 | 37.0 kBtu/ft² | 114 tCO₂e |
| 2022 | 100 | 37.5 kBtu/ft² | 111 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
- 40 Downing Street
- City
- New York City
- State
- New York
- ZIP
- 10014
- Coordinates
- 40.72919, -74.00410
Within ~1 km
Nearby benchmarked buildings
College/University · 7,553,129 sq ft
- 550 Washington Streetscore 89
Office · 1,138,018 sq ft
Office · 987,755 sq ft
- 375 Hudson (363 HUDSON STREET)score 92
Office · 885,326 sq ft
Office · 856,538 sq ft
College/University · 760,025 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is Cornerstone: 40 Downing St.'s energy grade?
Cornerstone: 40 Downing St. 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 Cornerstone: 40 Downing St. use?
Its 2024 site energy-use intensity was 30.3 kBtu/ft² (37.9 kBtu/ft² source) across 39,430 sq ft, including 46,849 kWh of electricity and 126 therms of natural gas.
What are Cornerstone: 40 Downing St.'s carbon emissions?
Cornerstone: 40 Downing St. reported 95 tCO₂e of greenhouse-gas emissions (2.4 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:6808433:2024.