BuildingCensus
A

523 West 121st Street

Multifamily Housing in New York City, NY · 10027

ENERGY STAR score
86
band A · 2024
Site EUI
63.0
kBtu/ft²
GHG emissions
117
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
28,668
sq ft
Year built
1926
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 score86 (band A)
Site EUI63.0 kBtu/ft²
Source EUI86.6 kBtu/ft²
GHG emissions117 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity98,334 kWh
Natural gas14,696 therms
Water use1,133 kgal
Gross floor area28,668 sq ft
Source recordnyc:33200273:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest86±063.0 kBtu/ft²117 tCO₂e
20238665.0 kBtu/ft²115 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 121st Street
State
New York
ZIP
10027
Coordinates
40.81072, -73.96038

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 523 West 121st Street's energy grade?

523 West 121st Street scores 86 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 523 West 121st Street use?

Its 2024 site energy-use intensity was 63.0 kBtu/ft² (86.6 kBtu/ft² source) across 28,668 sq ft, including 98,334 kWh of electricity and 14,696 therms of natural gas.

What are 523 West 121st Street's carbon emissions?

523 West 121st Street reported 117 tCO₂e of greenhouse-gas emissions (4.1 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:33200273:2024.