521 Isham Street
Multifamily Housing in New York City, NY · 10034
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 100.5 kBtu/ft² |
| Source EUI | 150.4 kBtu/ft² |
| GHG emissions | 277 tCO₂e |
| GHG intensity | 6.9 kgCO₂e/ft² |
| Electricity | 300,543 kWh |
| Natural gas | 29,941 therms |
| Gross floor area | 40,003 sq ft |
| Source record | nyc:6810506:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 87 | ±0 | 100.5 kBtu/ft² | 277 tCO₂e |
| 2023 | 87 | +5 | 99.2 kBtu/ft² | 267 tCO₂e |
| 2022 | 82 | 111.2 kBtu/ft² | 270 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 521 Isham Street
- City
- New York City
- State
- New York
- ZIP
- 10034
- Coordinates
- 40.86653, -73.91873
Within ~1 km
Nearby benchmarked buildings
- DYCKMANscore 11
Multifamily Housing · 1,122,000 sq ft
Self-Storage Facility · 377,494 sq ft
- MMS #1993score —
Self-Storage Facility · 377,493 sq ft
- The Allen Hospitalscore 54
Hospital (General Medical & Surgical) · 309,145 sq ft
- Baker Field Campusscore —
Fitness Center/Health Club/Gym · 236,478 sq ft
- 250 NAGLE AVENUE - 7150score 57
Multifamily Housing · 229,257 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 521 Isham Street's energy grade?
521 Isham Street scores 87 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 521 Isham Street use?
Its 2024 site energy-use intensity was 100.5 kBtu/ft² (150.4 kBtu/ft² source) across 40,003 sq ft, including 300,543 kWh of electricity and 29,941 therms of natural gas.
What are 521 Isham Street's carbon emissions?
521 Isham Street reported 277 tCO₂e of greenhouse-gas emissions (6.9 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:6810506:2024.