Halstead - 309 East 49th Street
Multifamily Housing in New York City, NY · 309 EAST 49 STREET · 10017
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 45 (band D) |
| Site EUI | 78.8 kBtu/ft² |
| Source EUI | 109.1 kBtu/ft² |
| GHG emissions | 894 tCO₂e |
| GHG intensity | 6.5 kgCO₂e/ft² |
| Electricity | 660,447 kWh |
| Natural gas | 1,292 therms |
| Water use | 6,158 kgal |
| Gross floor area | 136,680 sq ft |
| Source record | nyc:4034900:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 45 | +7 | 78.8 kBtu/ft² | 894 tCO₂e |
| 2023 | 38 | +5 | 82.1 kBtu/ft² | 886 tCO₂e |
| 2022 | 33 | 92.1 kBtu/ft² | 932 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
- 309 EAST 49 STREET
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.75405, -73.96849
Within ~1 km
Nearby benchmarked buildings
- 277 Park Avenuescore 64
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- 345 Park Ave LPscore 47
Office · 1,783,232 sq ft
- 277 Park Avenuescore 55
Office · 1,745,856 sq ft
Office · 1,682,110 sq ft
- 399 Park Avenuescore 69
Office · 1,671,941 sq ft
- Waldorf Astoria Hotelscore 97
Hotel · 1,666,763 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is Halstead - 309 East 49th Street's energy grade?
Halstead - 309 East 49th Street scores 45 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Halstead - 309 East 49th Street use?
Its 2024 site energy-use intensity was 78.8 kBtu/ft² (109.1 kBtu/ft² source) across 136,680 sq ft, including 660,447 kWh of electricity and 1,292 therms of natural gas.
What are Halstead - 309 East 49th Street's carbon emissions?
Halstead - 309 East 49th Street reported 894 tCO₂e of greenhouse-gas emissions (6.5 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:4034900:2024.