Wallack - 251 E 51st Street
Multifamily Housing in New York City, NY · 243 EAST 51 STREET · 10022
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 68 (band C) |
| Site EUI | 62.3 kBtu/ft² |
| Source EUI | 95.4 kBtu/ft² |
| GHG emissions | 941 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 1,080,758 kWh |
| Natural gas | 97,351 therms |
| Water use | 6,860 kgal |
| Gross floor area | 215,395 sq ft |
| Source record | nyc:2656192:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 68 | ±0 | 62.3 kBtu/ft² | 941 tCO₂e |
| 2023 | 68 | +6 | 61.2 kBtu/ft² | 907 tCO₂e |
| 2022 | 62 | 69.3 kBtu/ft² | 918 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
- 243 EAST 51 STREET
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75603, -73.96930
Within ~1 km
Nearby benchmarked buildings
- Metlife Building (200 Park)score 69
Office · 2,993,388 sq ft
- 277 Park Avenuescore 64
Office · 1,897,643 sq ft
Office · 1,844,165 sq ft
- 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
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is Wallack - 251 E 51st Street's energy grade?
Wallack - 251 E 51st Street scores 68 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Wallack - 251 E 51st Street use?
Its 2024 site energy-use intensity was 62.3 kBtu/ft² (95.4 kBtu/ft² source) across 215,395 sq ft, including 1,080,758 kWh of electricity and 97,351 therms of natural gas.
What are Wallack - 251 E 51st Street's carbon emissions?
Wallack - 251 E 51st Street reported 941 tCO₂e of greenhouse-gas emissions (4.4 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:2656192:2024.