31 West 27th Street
Office in New York City, NY · 10001
At a glance
31 West 27th Street is a 106,799-square-foot office building in New York City, New York, built in 1910. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 88.8 kBtu/ft² and 990 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 88.8 kBtu/ft² |
| Source EUI | 205.8 kBtu/ft² |
| GHG emissions | 990 tCO₂e |
| GHG intensity | 9.3 kgCO₂e/ft² |
| Electricity | 2,030,056 kWh |
| Natural gas | 28 therms |
| Water use | 3,975 kgal |
| Gross floor area | 106,799 sq ft |
| Source record | nyc:6203957:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 88.8 kBtu/ft² | 990 tCO₂e | |
| 2023 | — | 87.9 kBtu/ft² | 925 tCO₂e | |
| 2022 | — | 61.8 kBtu/ft² | 588 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
- 31 West 27th Street
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74475, -73.98935
Within ~1 km
Nearby benchmarked buildings
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- 11 Madison Avenuescore 77
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See also: most efficient in New York City · biggest emitters
How does 31 West 27th 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 88.8 kBtu/ft² is about 38% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 9.3 kgCO₂e/ft² is about 60% above the group average of 5.8 kgCO₂e/ft².
At 106,799 sq ft, it is about half of the average floor area of 205,440 sq ft for those buildings. It was built in 1910, 30 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 31 West 27th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 31 West 27th Street, covering report years 2022–2024. Site EUI moved from 61.8 kBtu/ft² (2022) to 88.8 kBtu/ft² (2024), an 44% increase. Reported emissions went from 588 tCO₂e to 990 tCO₂e over the same span (up 68%).
What does a site EUI of 88.8 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. 31 West 27th Street's 88.8 kBtu/ft² across 106,799 sq ft works out to about 9.5 billion Btu (2,779 MWh-equivalent) in 2024. Its source EUI of 205.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,030,056 kWh of electricity, 28 therms of natural gas and 3,975 thousand gallons of water for the year.
Which law requires 31 West 27th Street to report its energy use?
31 West 27th 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:6203957:2024). 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.
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- 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 31 West 27th Street's energy grade?
31 West 27th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 88.8 kBtu/ft².
How much energy does 31 West 27th Street use?
Its 2024 site energy-use intensity was 88.8 kBtu/ft² (205.8 kBtu/ft² source) across 106,799 sq ft, including 2,030,056 kWh of electricity and 28 therms of natural gas.
What are 31 West 27th Street's carbon emissions?
31 West 27th Street reported 990 tCO₂e of greenhouse-gas emissions (9.3 kgCO₂e/ft²) for 2024.
Where is 31 West 27th Street?
31 West 27th Street is in New York City, New York 10001. Its coordinates are 40.74475, -73.98935 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 31 West 27th Street and when was it built?
31 West 27th Street has 106,799 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as office.
Is 31 West 27th 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, “31 West 27th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/31-west-27th-street-36ee2f33 (data as of October 2, 2026).