71 WEST STREET
Office in New York City, NY · 42-56 West Street · 11222
At a glance
71 WEST STREET is a 89,570-square-foot office building at 42-56 West Street in New York City, New York, built in 1931. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 26.7 kBtu/ft² and 275 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 26.7 kBtu/ft² |
| Source EUI | 74.7 kBtu/ft² |
| GHG emissions | 275 tCO₂e |
| GHG intensity | 3.1 kgCO₂e/ft² |
| Electricity | 700,704 kWh |
| Gross floor area | 89,570 sq ft |
| Source record | nyc:18722575:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 26.7 kBtu/ft² | 275 tCO₂e | |
| 2023 | — | 29.2 kBtu/ft² | 284 tCO₂e | |
| 2022 | — | 11.9 kBtu/ft² | 90 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
- 42-56 West Street
- City
- New York City
- State
- New York
- ZIP
- 11222
- Coordinates
- 40.72772, -73.95890
Within ~1 km
Nearby benchmarked buildings
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- Clinton - 2 North 6th Placescore 82
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- West Development B LLC /score —
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- 25 Kentscore —
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See also: most efficient in New York City · biggest emitters
How does 71 WEST 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 26.7 kBtu/ft² is about 59% 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 3.1 kgCO₂e/ft² is about half of the group average of 5.8 kgCO₂e/ft².
At 89,570 sq ft, it is about 56% below the average floor area of 205,440 sq ft for those buildings. It was built in 1931, 9 years earlier 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 71 WEST STREET's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 71 WEST STREET, covering report years 2022–2024. Site EUI moved from 11.9 kBtu/ft² (2022) to 26.7 kBtu/ft² (2024), an 124% increase. Reported emissions went from 90 tCO₂e to 275 tCO₂e over the same span (up 204%).
What does a site EUI of 26.7 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. 71 WEST STREET's 26.7 kBtu/ft² across 89,570 sq ft works out to about 2.4 billion Btu (701 MWh-equivalent) in 2024. Its source EUI of 74.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 700,704 kWh of electricity for the year.
Which law requires 71 WEST STREET to report its energy use?
71 WEST 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:18722575:2024). 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
- 260 West 36th Street· 89,513 sq ft · score 87 (A)
- D Building· 89,506 sq ft · score 81 (B)
- 511 West 25th Street· 89,436 sq ft · EUI 38.7 kBtu/ft²
- 38 East 32nd Street· 89,413 sq ft · score 90 (A)
- United Capital Corp - 424 E 147th St.· 89,311 sq ft · score 65 (C)
- Feil - 145 West 30th Street· 89,250 sq ft · score 98 (A)
- 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 71 WEST STREET's energy grade?
71 WEST STREET did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 26.7 kBtu/ft².
How much energy does 71 WEST STREET use?
Its 2024 site energy-use intensity was 26.7 kBtu/ft² (74.7 kBtu/ft² source) across 89,570 sq ft, including 700,704 kWh of electricity.
What are 71 WEST STREET's carbon emissions?
71 WEST STREET reported 275 tCO₂e of greenhouse-gas emissions (3.1 kgCO₂e/ft²) for 2024.
Where is 71 WEST STREET?
71 WEST STREET is at 42-56 West Street, in New York City, New York 11222. Its coordinates are 40.72772, -73.95890 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 71 WEST STREET and when was it built?
71 WEST STREET has 89,570 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as office.
Is 71 WEST 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, “71 WEST STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/71-west-street-d208e83f (data as of October 2, 2026).