BuildingCensus
C

405 Williams Ave

Multifamily Housing in New York City, NY · 405 WILLIAMS AVE · 11207

ENERGY STAR score
56
band C · 2024
Site EUI
78.5
kBtu/ft²
GHG emissions
433
tCO₂e
GHG intensity
5.6
kgCO₂e/ft²
Floor area
77,922
sq ft
Year built
1972
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 score56 (band C)
Site EUI78.5 kBtu/ft²
Source EUI121.6 kBtu/ft²
GHG emissions433 tCO₂e
GHG intensity5.6 kgCO₂e/ft²
Electricity511,577 kWh
Natural gas43,699 therms
Gross floor area77,922 sq ft
Source recordnyc:10387265:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest56+3678.5 kBtu/ft²433 tCO₂e
202320-10108.6 kBtu/ft²546 tCO₂e
202230105.8 kBtu/ft²492 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
405 WILLIAMS AVE
State
New York
ZIP
11207
Coordinates
40.66600, -73.89821

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 405 Williams Ave's energy grade?

405 Williams Ave scores 56 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 405 Williams Ave use?

Its 2024 site energy-use intensity was 78.5 kBtu/ft² (121.6 kBtu/ft² source) across 77,922 sq ft, including 511,577 kWh of electricity and 43,699 therms of natural gas.

What are 405 Williams Ave's carbon emissions?

405 Williams Ave reported 433 tCO₂e of greenhouse-gas emissions (5.6 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:10387265:2024.