BuildingCensus
D

523 West 143rd Street

Multifamily Housing in New York City, NY · 10031

ENERGY STAR score
2
band D · 2024
Site EUI
174.1
kBtu/ft²
GHG emissions
394
tCO₂e
GHG intensity
13.4
kgCO₂e/ft²
Floor area
29,520
sq ft
Year built
1910
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 score2 (band D)
Site EUI174.1 kBtu/ft²
Source EUI196.6 kBtu/ft²
GHG emissions394 tCO₂e
GHG intensity13.4 kgCO₂e/ft²
Electricity100,301 kWh
Natural gas457 therms
Water use717 kgal
Gross floor area29,520 sq ft
Source recordnyc:6354525:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest2±0174.1 kBtu/ft²394 tCO₂e
20232-98172.4 kBtu/ft²389 tCO₂e
202210021.0 kBtu/ft²49 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
523 West 143rd Street
State
New York
ZIP
10031
Coordinates
40.82463, -73.95017

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 523 West 143rd Street's energy grade?

523 West 143rd Street scores 2 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 523 West 143rd Street use?

Its 2024 site energy-use intensity was 174.1 kBtu/ft² (196.6 kBtu/ft² source) across 29,520 sq ft, including 100,301 kWh of electricity and 457 therms of natural gas.

What are 523 West 143rd Street's carbon emissions?

523 West 143rd Street reported 394 tCO₂e of greenhouse-gas emissions (13.4 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:6354525:2024.