230 West 39th Street
Office in New York City, NY · 10018
At a glance
230 West 39th Street is a 59,488-square-foot office building in New York City, New York, built in 1926. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 60.9 kBtu/ft² and 311 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 60.9 kBtu/ft² |
| Source EUI | 92.4 kBtu/ft² |
| GHG emissions | 311 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 300,966 kWh |
| Natural gas | 0 therms |
| Water use | 2,085 kgal |
| Gross floor area | 59,488 sq ft |
| Source record | nyc:6317283:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 60.9 kBtu/ft² | 311 tCO₂e | |
| 2023 | 88 | 55.5 kBtu/ft² | 282 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
- 230 West 39th Street
- City
- New York City
- State
- New York
- ZIP
- 10018
- Coordinates
- 40.75456, -73.98937
Within ~1 km
Nearby benchmarked buildings
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- ESRT - Empire State Buildingscore 78
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- 1633 Broadway - Paramount Plazascore 75
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- 1221 Avenue of the Americasscore 86
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- PENN 1 (LL97)score —
Office · 2,488,353 sq ft
- PENN 1 (Offices)score —
Office · 2,439,745 sq ft
See also: most efficient in New York City · biggest emitters
How does 230 West 39th 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 60.9 kBtu/ft² is roughly in line with 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 5.2 kgCO₂e/ft² is about 10% below the group average of 5.8 kgCO₂e/ft².
At 59,488 sq ft, it is about 71% below the average floor area of 205,440 sq ft for those buildings. It was built in 1926, 14 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 230 West 39th Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 230 West 39th Street, covering report years 2023–2024. Site EUI moved from 55.5 kBtu/ft² (2023) to 60.9 kBtu/ft² (2024), an 10% increase. Reported emissions went from 282 tCO₂e to 311 tCO₂e over the same span (up 10%).
What does a site EUI of 60.9 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. 230 West 39th Street's 60.9 kBtu/ft² across 59,488 sq ft works out to about 3.6 billion Btu (1,062 MWh-equivalent) in 2024. Its source EUI of 92.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 300,966 kWh of electricity, 0 therms of natural gas and 2,085 thousand gallons of water for the year.
Which law requires 230 West 39th Street to report its energy use?
230 West 39th 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:6317283:2024). 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 230 West 39th Street's energy grade?
230 West 39th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 60.9 kBtu/ft².
How much energy does 230 West 39th Street use?
Its 2024 site energy-use intensity was 60.9 kBtu/ft² (92.4 kBtu/ft² source) across 59,488 sq ft, including 300,966 kWh of electricity and 0 therms of natural gas.
What are 230 West 39th Street's carbon emissions?
230 West 39th Street reported 311 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2024.
Where is 230 West 39th Street?
230 West 39th Street is in New York City, New York 10018. Its coordinates are 40.75456, -73.98937 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 230 West 39th Street and when was it built?
230 West 39th Street has 59,488 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as office.
Is 230 West 39th 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, “230 West 39th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/230-west-39th-street-e8d891f3 (data as of October 2, 2026).