306 Union Avenue
Multifamily Housing in New York City, NY · 11211
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 62 (band C) |
| Site EUI | 92.6 kBtu/ft² |
| Source EUI | 127.9 kBtu/ft² |
| GHG emissions | 156 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 133,523 kWh |
| Natural gas | 19,494 therms |
| Water use | 3,069 kgal |
| Gross floor area | 25,970 sq ft |
| Source record | nyc:6702304:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 62 | +1 | 92.6 kBtu/ft² | 156 tCO₂e |
| 2023 | 61 | -6 | 92.9 kBtu/ft² | 152 tCO₂e |
| 2022 | 67 | 94.1 kBtu/ft² | 144 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
- 306 Union Avenue
- City
- New York City
- State
- New York
- ZIP
- 11211
- Coordinates
- 40.70959, -73.95088
Within ~1 km
Nearby benchmarked buildings
- Lindsay Parkscore 100
Multifamily Housing · 3,136,278 sq ft
- WILLIAMSBURGscore 99
Multifamily Housing · 1,487,900 sq ft
- Williamsburg Houses: CAMPUSscore 11
Multifamily Housing · 1,468,900 sq ft
- 25 Boerum St - 44350score 100
Multifamily Housing · 983,400 sq ft
- 25 Moore Street - 44353score 100
Multifamily Housing · 834,625 sq ft
- 54 Boerum St - 44352score 100
Multifamily Housing · 826,553 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 306 Union Avenue's energy grade?
306 Union Avenue scores 62 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 306 Union Avenue use?
Its 2024 site energy-use intensity was 92.6 kBtu/ft² (127.9 kBtu/ft² source) across 25,970 sq ft, including 133,523 kWh of electricity and 19,494 therms of natural gas.
What are 306 Union Avenue's carbon emissions?
306 Union Avenue reported 156 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:6702304:2024.