BuildingCensus
C

305-307 East 239th Street LLC

Multifamily Housing in New York City, NY · 4350 Katonah Avenue · 10470

ENERGY STAR score
63
band C · 2024
Site EUI
71.6
kBtu/ft²
GHG emissions
281
tCO₂e
GHG intensity
4.7
kgCO₂e/ft²
Floor area
59,526
sq ft
Year built
1927
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score63 (band C)
Site EUI71.6 kBtu/ft²
Source EUI101.1 kBtu/ft²
GHG emissions281 tCO₂e
GHG intensity4.7 kgCO₂e/ft²
Electricity257,824 kWh
Natural gas33,829 therms
Gross floor area59,526 sq ft
Source recordnyc:4411823:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest63-271.6 kBtu/ft²281 tCO₂e
20236576.7 kBtu/ft²290 tCO₂e
202271.9 kBtu/ft²246 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
4350 Katonah Avenue
State
New York
ZIP
10470
Coordinates
40.90042, -73.86771

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in New York City · biggest emitters

Frequently asked questions

What is 305-307 East 239th Street LLC's energy grade?

305-307 East 239th Street LLC scores 63 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 305-307 East 239th Street LLC use?

Its 2024 site energy-use intensity was 71.6 kBtu/ft² (101.1 kBtu/ft² source) across 59,526 sq ft, including 257,824 kWh of electricity and 33,829 therms of natural gas.

What are 305-307 East 239th Street LLC's carbon emissions?

305-307 East 239th Street LLC reported 281 tCO₂e of greenhouse-gas emissions (4.7 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:4411823:2024.