850 Longwood Avenue
Multifamily Housing in New York City, NY · 10459
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 102.8 kBtu/ft² |
| Source EUI | 140.9 kBtu/ft² |
| GHG emissions | 342 tCO₂e |
| GHG intensity | 8.4 kgCO₂e/ft² |
| Electricity | 246,565 kWh |
| Natural gas | 1,774 therms |
| Water use | 177 kgal |
| Gross floor area | 40,801 sq ft |
| Source record | nyc:32967940:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 82 | +32 | 102.8 kBtu/ft² | 342 tCO₂e |
| 2023 | 50 | 137.1 kBtu/ft² | 439 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
- 850 Longwood Avenue
- City
- New York City
- State
- New York
- ZIP
- 10459
- Coordinates
- 40.81938, -73.90138
Within ~1 km
Nearby benchmarked buildings
- FORESTscore 6
Multifamily Housing · 1,294,650 sq ft
- ADAMSscore 6
Multifamily Housing · 906,500 sq ft
- ADAMS - Bldgs 1-4score —
Multifamily Housing · 906,500 sq ft
- MCKINLEYscore 99
Multifamily Housing · 641,247 sq ft
Multifamily Housing · 344,470 sq ft
Multifamily Housing · 303,967 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 850 Longwood Avenue's energy grade?
850 Longwood Avenue scores 82 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 850 Longwood Avenue use?
Its 2024 site energy-use intensity was 102.8 kBtu/ft² (140.9 kBtu/ft² source) across 40,801 sq ft, including 246,565 kWh of electricity and 1,774 therms of natural gas.
What are 850 Longwood Avenue's carbon emissions?
850 Longwood Avenue reported 342 tCO₂e of greenhouse-gas emissions (8.4 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:32967940:2024.