BuildingCensus
A

645 West End Avenue

Multifamily Housing in New York City, NY · 10025

ENERGY STAR score
92
band A · 2023
Site EUI
60.1
kBtu/ft²
GHG emissions
515
tCO₂e
GHG intensity
3.8
kgCO₂e/ft²
Floor area
136,062
sq ft
Year built
1913
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score92 (band A)
Site EUI60.1 kBtu/ft²
Source EUI81.7 kBtu/ft²
GHG emissions515 tCO₂e
GHG intensity3.8 kgCO₂e/ft²
Electricity424,158 kWh
Natural gas67,313 therms
Gross floor area136,062 sq ft
Source recordnyc:17352842:2023

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
645 West End Avenue
State
New York
ZIP
10025
Coordinates
40.79236, -73.97534

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 645 West End Avenue's energy grade?

645 West End Avenue scores 92 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 645 West End Avenue use?

Its 2023 site energy-use intensity was 60.1 kBtu/ft² (81.7 kBtu/ft² source) across 136,062 sq ft, including 424,158 kWh of electricity and 67,313 therms of natural gas.

What are 645 West End Avenue's carbon emissions?

645 West End Avenue reported 515 tCO₂e of greenhouse-gas emissions (3.8 kgCO₂e/ft²) for 2023. 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:17352842:2023.