165 William Street
Multifamily Housing in New York City, NY · 10038
At a glance
165 William Street is a 34,180-square-foot multifamily housing building in New York City, New York, built in 1908. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 76.6 kBtu/ft² and 168 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 76.6 kBtu/ft² |
| Source EUI | 106.6 kBtu/ft² |
| GHG emissions | 168 tCO₂e |
| GHG intensity | 4.9 kgCO₂e/ft² |
| Electricity | 149,598 kWh |
| Natural gas | 21,082 therms |
| Water use | 1,165 kgal |
| Gross floor area | 34,180 sq ft |
| Source record | nyc:12053299:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 76.6 kBtu/ft² | 168 tCO₂e | |
| 2022 | — | 86.0 kBtu/ft² | 160 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
- 165 William Street
- City
- New York City
- State
- New York
- ZIP
- 10038
- Coordinates
- 40.71019, -74.00583
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 165 William Street compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 76.6 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 4.9 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 34,180 sq ft, it is about 66% below the average floor area of 100,951 sq ft for those buildings. It was built in 1908, 44 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 165 William Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 165 William Street, covering report years 2022–2023. Site EUI moved from 86.0 kBtu/ft² (2022) to 76.6 kBtu/ft² (2023), a 11% decrease. Reported emissions went from 160 tCO₂e to 168 tCO₂e over the same span (up 5%).
What does a site EUI of 76.6 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. 165 William Street's 76.6 kBtu/ft² across 34,180 sq ft works out to about 2.6 billion Btu (767 MWh-equivalent) in 2023. Its source EUI of 106.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 149,598 kWh of electricity, 21,082 therms of natural gas and 1,165 thousand gallons of water for the year.
Which law requires 165 William Street to report its energy use?
165 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:12053299:2023). 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 multifamily housing buildings in New York City
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- Park Square Associates - 85 Avenue A - 1004327501· 34,155 sq ft · score 22 (D)
- 418 LEXINGTON AVENUE· 34,155 sq ft · score 100 (A)
- 408 LEXINGTON AVENUE· 34,154 sq ft
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is 165 William Street's energy grade?
165 William Street did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 76.6 kBtu/ft².
How much energy does 165 William Street use?
Its 2023 site energy-use intensity was 76.6 kBtu/ft² (106.6 kBtu/ft² source) across 34,180 sq ft, including 149,598 kWh of electricity and 21,082 therms of natural gas.
What are 165 William Street's carbon emissions?
165 William Street reported 168 tCO₂e of greenhouse-gas emissions (4.9 kgCO₂e/ft²) for 2023.
Where is 165 William Street?
165 William Street is in New York City, New York 10038. Its coordinates are 40.71019, -74.00583 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 165 William Street and when was it built?
165 William Street has 34,180 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1908 as its year built. It is classed as multifamily housing.
Is 165 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, “165 William Street, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/165-william-street-48511e78 (data as of October 2, 2026).