BuildingCensus
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CBRE - 110 William Street

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

At a glance

CBRE - 110 William Street is a 788,241-square-foot office building at 100 William Street in New York City, New York, built in 1956. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 45.1 kBtu/ft² and 3,211 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
45.1
kBtu/ft²
GHG emissions
3,211
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
788,241
sq ft
Year built
1956
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 score—
Site EUI45.1 kBtu/ft²
Source EUI89.7 kBtu/ft²
GHG emissions3,211 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity5,128,660 kWh
Natural gas0 therms
Water use2,781 kgal
Gross floor area788,241 sq ft
Source recordnyc:59380593:2024

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

How does CBRE - 110 William Street compare with other office buildings in New York City?

The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 45.1 kBtu/ft² is about 30% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about 30% below the group average of 5.8 kgCO₂e/ft².

At 788,241 sq ft, it is about 284% above the average floor area of 205,440 sq ft for those buildings. It was built in 1956, 16 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

What does a site EUI of 45.1 kBtu/ft² mean?

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. CBRE - 110 William Street's 45.1 kBtu/ft² across 788,241 sq ft works out to about 35.5 billion Btu (10,419 MWh-equivalent) in 2024. Its source EUI of 89.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 5,128,660 kWh of electricity, 0 therms of natural gas and 2,781 thousand gallons of water for the year.

Which law requires CBRE - 110 William Street to report its energy use?

CBRE - 110 William Street reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:59380593:2024). 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.

More office buildings in New York City

Frequently asked questions

What is CBRE - 110 William Street's energy grade?

CBRE - 110 William Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 45.1 kBtu/ft².

How much energy does CBRE - 110 William Street use?

Its 2024 site energy-use intensity was 45.1 kBtu/ft² (89.7 kBtu/ft² source) across 788,241 sq ft, including 5,128,660 kWh of electricity and 0 therms of natural gas.

What are CBRE - 110 William Street's carbon emissions?

CBRE - 110 William Street reported 3,211 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.

Where is CBRE - 110 William Street?

CBRE - 110 William Street is at 100 William Street, in New York City, New York 10038. Its coordinates are 40.70850, -74.00748 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is CBRE - 110 William Street and when was it built?

CBRE - 110 William Street has 788,241 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1956 as its year built. It is classed as office.

Is CBRE - 110 William Street covered by Local Law 84 (LL84)?

Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).

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About this data

Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “CBRE - 110 William Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/cbre-110-william-street-0a810e22 (data as of October 2, 2026).