BuildingCensus
B

100 William

Office in New York City, NY · 100 William Street · 10038

ENERGY STAR score
77
band B · 2023
Site EUI
61.6
kBtu/ft²
GHG emissions
2,068
tCO₂e
GHG intensity
5.5
kgCO₂e/ft²
Floor area
377,120
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 2023

Benchmarking record

FieldValue
ENERGY STAR score77 (band B)
Site EUI61.6 kBtu/ft²
Source EUI126.8 kBtu/ft²
GHG emissions2,068 tCO₂e
GHG intensity5.5 kgCO₂e/ft²
Electricity3,648,156 kWh
Water use2,943 kgal
Gross floor area377,120 sq ft
Source recordnyc:6217241:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest77+1561.6 kBtu/ft²2,068 tCO₂e
20226296.1 kBtu/ft²2,696 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 owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
100 William Street
State
New York
ZIP
10038
Coordinates
40.70850, -74.00748

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 100 William's energy grade?

100 William scores 77 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 100 William use?

Its 2023 site energy-use intensity was 61.6 kBtu/ft² (126.8 kBtu/ft² source) across 377,120 sq ft, including 3,648,156 kWh of electricity.

What are 100 William's carbon emissions?

100 William reported 2,068 tCO₂e of greenhouse-gas emissions (5.5 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.

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Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:6217241:2023.