503 Union
Multifamily Housing in New York City, NY · 503 Union Avenue · 11211
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 56.7 kBtu/ft² |
| Source EUI | 143.4 kBtu/ft² |
| GHG emissions | 221 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 518,142 kWh |
| Natural gas | 3,229 therms |
| Water use | 1,813 kgal |
| Gross floor area | 36,888 sq ft |
| Source record | nyc:32613388:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 87 | +2 | 56.7 kBtu/ft² | 221 tCO₂e |
| 2023 | 85 | 57.8 kBtu/ft² | 214 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
- 503 Union Avenue
- City
- New York City
- State
- New York
- ZIP
- 11211
- Coordinates
- 40.71567, -73.95189
Within ~1 km
Nearby benchmarked buildings
- WILLIAMSBURGscore 99
Multifamily Housing · 1,487,900 sq ft
- Williamsburg Houses: CAMPUSscore 11
Multifamily Housing · 1,468,900 sq ft
- 25 Kentscore —
Office · 575,159 sq ft
- 25 Kentscore —
Office · 494,561 sq ft
Multifamily Housing · 363,292 sq ft
Multifamily Housing · 335,036 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 503 Union's energy grade?
503 Union 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 503 Union use?
Its 2024 site energy-use intensity was 56.7 kBtu/ft² (143.4 kBtu/ft² source) across 36,888 sq ft, including 518,142 kWh of electricity and 3,229 therms of natural gas.
What are 503 Union's carbon emissions?
503 Union reported 221 tCO₂e of greenhouse-gas emissions (6.0 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:32613388:2024.