110 William Street
Office in New York City, NY · 10038
At a glance
110 William Street is a 788,240-square-foot office building in New York City, New York, built in 1958. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 49.0 kBtu/ft² and 3,486 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 49.0 kBtu/ft² |
| Source EUI | 103.1 kBtu/ft² |
| GHG emissions | 3,486 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 6,394,222 kWh |
| Water use | 5,554 kgal |
| Gross floor area | 788,240 sq ft |
| Source record | nyc:3429197:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 49.0 kBtu/ft² | 3,486 tCO₂e | |
| 2022 | — | 45.7 kBtu/ft² | 3,113 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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 110 William Street
- City
- New York City
- State
- New York
- ZIP
- 10038
- Coordinates
- 40.70878, -74.00720
Within ~1 km
Nearby benchmarked buildings
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- One Liberty Plaza (149 BROADWAY)score 75
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- 28 Libertyscore 59
Financial Office · 2,200,000 sq ft
- 200 West Streetscore 83
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- 120 Broadway Holdings, LLCscore 78
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See also: most efficient in New York City · biggest emitters
How does 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 49.0 kBtu/ft² is about 24% 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 4.4 kgCO₂e/ft² is about 24% below the group average of 5.8 kgCO₂e/ft².
At 788,240 sq ft, it is about 284% above the average floor area of 205,440 sq ft for those buildings. It was built in 1958, 18 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.
How has 110 William Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 110 William Street, covering report years 2022–2023. Site EUI moved from 45.7 kBtu/ft² (2022) to 49.0 kBtu/ft² (2023), an 7% increase. Reported emissions went from 3,113 tCO₂e to 3,486 tCO₂e over the same span (up 12%).
What does a site EUI of 49.0 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. 110 William Street's 49.0 kBtu/ft² across 788,240 sq ft works out to about 38.6 billion Btu (11,320 MWh-equivalent) in 2023. Its source EUI of 103.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 6,394,222 kWh of electricity and 5,554 thousand gallons of water for the year.
Which law requires 110 William Street to report its energy use?
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 2023 disclosure (source record nyc:3429197:2023). 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.
More office buildings in New York City
- GC 63 Madison Ave· 786,069 sq ft · score 64 (C)
- 63 Madison Avenue-RDA· 786,069 sq ft · score 67 (C)
- 666 Third Avenue (Chrysler East)· 784,116 sq ft · score 79 (B)
- Colgate Palmolive Building (300 Park)· 777,658 sq ft · score 71 (B)
- DCAS_1035_Bronx County Hall of Justice· 775,600 sq ft · score 82 (B)
- 295 5th Ave· 771,659 sq ft · EUI 21.6 kBtu/ft²
- Office buildings in New York City· 3,384 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is 110 William Street's energy grade?
110 William Street did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 49.0 kBtu/ft².
How much energy does 110 William Street use?
Its 2023 site energy-use intensity was 49.0 kBtu/ft² (103.1 kBtu/ft² source) across 788,240 sq ft, including 6,394,222 kWh of electricity.
What are 110 William Street's carbon emissions?
110 William Street reported 3,486 tCO₂e of greenhouse-gas emissions (4.4 kgCO₂e/ft²) for 2023.
Where is 110 William Street?
110 William Street is in New York City, New York 10038. Its coordinates are 40.70878, -74.00720 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 110 William Street and when was it built?
110 William Street has 788,240 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1958 as its year built. It is classed as office.
Is 110 William Street covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “110 William Street, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/110-william-street-4072826f (data as of October 2, 2026).