BuildingCensus
D

Brownstone - 6402 23rd Ave

Multifamily Housing in New York City, NY · 6402 23rd Ave · 11204

ENERGY STAR score
24
band D · 2024
Site EUI
102.1
kBtu/ft²
GHG emissions
157
tCO₂e
GHG intensity
6.1
kgCO₂e/ft²
Floor area
25,700
sq ft
Year built
1928
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score24 (band D)
Site EUI102.1 kBtu/ft²
Source EUI126.2 kBtu/ft²
GHG emissions157 tCO₂e
GHG intensity6.1 kgCO₂e/ft²
Electricity81,360 kWh
Natural gas23,476 therms
Water use1,654 kgal
Gross floor area25,700 sq ft
Source recordnyc:26017841:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest24-3102.1 kBtu/ft²157 tCO₂e
202327±099.7 kBtu/ft²151 tCO₂e
202227110.6 kBtu/ft²160 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
6402 23rd Ave
State
New York
ZIP
11204
Coordinates
40.61301, -73.97868

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is Brownstone - 6402 23rd Ave's energy grade?

Brownstone - 6402 23rd Ave scores 24 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 Brownstone - 6402 23rd Ave use?

Its 2024 site energy-use intensity was 102.1 kBtu/ft² (126.2 kBtu/ft² source) across 25,700 sq ft, including 81,360 kWh of electricity and 23,476 therms of natural gas.

What are Brownstone - 6402 23rd Ave's carbon emissions?

Brownstone - 6402 23rd Ave reported 157 tCO₂e of greenhouse-gas emissions (6.1 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:26017841:2024.