BuildingCensus
C

21-24 31st Street

Multifamily Housing in New York City, NY · 11105

ENERGY STAR score
68
band C · 2024
Site EUI
80.0
kBtu/ft²
GHG emissions
458
tCO₂e
GHG intensity
5.2
kgCO₂e/ft²
Floor area
87,376
sq ft
Year built
1929
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 score68 (band C)
Site EUI80.0 kBtu/ft²
Source EUI112.1 kBtu/ft²
GHG emissions458 tCO₂e
GHG intensity5.2 kgCO₂e/ft²
Electricity410,844 kWh
Natural gas55,871 therms
Gross floor area87,376 sq ft
Source recordnyc:6801350:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest68-480.0 kBtu/ft²458 tCO₂e
202372+874.5 kBtu/ft²423 tCO₂e
20226486.7 kBtu/ft²447 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
21-24 31st Street
State
New York
ZIP
11105
Coordinates
40.77738, -73.90919

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 21-24 31st Street's energy grade?

21-24 31st Street scores 68 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 21-24 31st Street use?

Its 2024 site energy-use intensity was 80.0 kBtu/ft² (112.1 kBtu/ft² source) across 87,376 sq ft, including 410,844 kWh of electricity and 55,871 therms of natural gas.

What are 21-24 31st Street's carbon emissions?

21-24 31st Street reported 458 tCO₂e of greenhouse-gas emissions (5.2 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:6801350:2024.