BuildingCensus
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Alef Realty: 603 Isham Street (child)

Multifamily Housing in New York City, NY · 603 Isham Street · 10034

ENERGY STAR score
93
band A · 2024
Site EUI
61.4
kBtu/ft²
GHG emissions
179
tCO₂e
GHG intensity
5.0
kgCO₂e/ft²
Floor area
36,088
sq ft
Year built
1930
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 score93 (band A)
Site EUI61.4 kBtu/ft²
Source EUI82.1 kBtu/ft²
GHG emissions179 tCO₂e
GHG intensity5.0 kgCO₂e/ft²
Electricity118,268 kWh
Natural gas1,065 therms
Water use953 kgal
Gross floor area36,088 sq ft
Source recordnyc:6282448:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest93-761.4 kBtu/ft²179 tCO₂e
2023100±013.9 kBtu/ft²48 tCO₂e
202210014.7 kBtu/ft²41 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.

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Ownership

No owner listed in the disclosure.

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Location

Address
603 Isham Street
State
New York
ZIP
10034
Coordinates
40.86870, -73.92012

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is Alef Realty: 603 Isham Street (child)'s energy grade?

Alef Realty: 603 Isham Street (child) scores 93 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 Alef Realty: 603 Isham Street (child) use?

Its 2024 site energy-use intensity was 61.4 kBtu/ft² (82.1 kBtu/ft² source) across 36,088 sq ft, including 118,268 kWh of electricity and 1,065 therms of natural gas.

What are Alef Realty: 603 Isham Street (child)'s carbon emissions?

Alef Realty: 603 Isham Street (child) reported 179 tCO₂e of greenhouse-gas emissions (5.0 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:6282448:2024.