BuildingCensus
A

31-64 21st Street

Multifamily Housing in New York City, NY · 11106

ENERGY STAR score
95
band A · 2024
Site EUI
47.5
kBtu/ft²
GHG emissions
202
tCO₂e
GHG intensity
3.3
kgCO₂e/ft²
Floor area
61,870
sq ft
Year built
2002
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 score95 (band A)
Site EUI47.5 kBtu/ft²
Source EUI71.0 kBtu/ft²
GHG emissions202 tCO₂e
GHG intensity3.3 kgCO₂e/ft²
Electricity219,626 kWh
Natural gas21,880 therms
Water use1,743 kgal
Gross floor area61,870 sq ft
Source recordnyc:23761399:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest95+647.5 kBtu/ft²202 tCO₂e
202389-160.1 kBtu/ft²186 tCO₂e
20229065.3 kBtu/ft²182 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
31-64 21st Street
State
New York
ZIP
11106
Coordinates
40.76570, -73.93124

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 31-64 21st Street's energy grade?

31-64 21st Street scores 95 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 31-64 21st Street use?

Its 2024 site energy-use intensity was 47.5 kBtu/ft² (71.0 kBtu/ft² source) across 61,870 sq ft, including 219,626 kWh of electricity and 21,880 therms of natural gas.

What are 31-64 21st Street's carbon emissions?

31-64 21st Street reported 202 tCO₂e of greenhouse-gas emissions (3.3 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:23761399:2024.