BuildingCensus
A

Sandberg: 523 West 121st St.

Multifamily Housing in New York City, NY · 523 W 121st St · 10027

ENERGY STAR score
92
band A · 2023
Site EUI
60.8
kBtu/ft²
GHG emissions
115
tCO₂e
GHG intensity
3.8
kgCO₂e/ft²
Floor area
30,675
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 2023

Benchmarking record

FieldValue
ENERGY STAR score92 (band A)
Site EUI60.8 kBtu/ft²
Source EUI80.5 kBtu/ft²
GHG emissions115 tCO₂e
GHG intensity3.8 kgCO₂e/ft²
Electricity85,717 kWh
Natural gas15,723 therms
Water use848 kgal
Gross floor area30,675 sq ft
Source recordnyc:6282893:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest92+660.8 kBtu/ft²115 tCO₂e
20228671.7 kBtu/ft²127 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 W 121st St
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 Sandberg: 523 West 121st St.'s energy grade?

Sandberg: 523 West 121st St. 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 Sandberg: 523 West 121st St. use?

Its 2023 site energy-use intensity was 60.8 kBtu/ft² (80.5 kBtu/ft² source) across 30,675 sq ft, including 85,717 kWh of electricity and 15,723 therms of natural gas.

What are Sandberg: 523 West 121st St.'s carbon emissions?

Sandberg: 523 West 121st St. reported 115 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:6282893:2023.