170 West 233 Street
Office in New York City, NY · 10463
At a glance
170 West 233 Street is a 36,550-square-foot office building in New York City, New York, built in 1957. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 61.8 kBtu/ft² and 237 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.8 kBtu/ft² |
| Source EUI | 155.6 kBtu/ft² |
| GHG emissions | 237 tCO₂e |
| GHG intensity | 6.5 kgCO₂e/ft² |
| Electricity | 555,210 kWh |
| Natural gas | 3,653 therms |
| Gross floor area | 36,550 sq ft |
| Source record | nyc:6697986:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 61.8 kBtu/ft² | 237 tCO₂e | |
| 2023 | — | 63.4 kBtu/ft² | 238 tCO₂e | |
| 2022 | 41 | 67.0 kBtu/ft² | 199 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
- 170 West 233 Street
- City
- New York City
- State
- New York
- ZIP
- 10463
- Coordinates
- 40.88034, -73.90285
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 170 West 233 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 61.8 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 6.5 kgCO₂e/ft² is about 12% above the group average of 5.8 kgCO₂e/ft².
At 36,550 sq ft, it is about 82% below the average floor area of 205,440 sq ft for those buildings. It was built in 1957, 17 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 170 West 233 Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 170 West 233 Street, covering report years 2022–2024. Site EUI moved from 67.0 kBtu/ft² (2022) to 61.8 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 199 tCO₂e to 237 tCO₂e over the same span (up 19%).
What does a site EUI of 61.8 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. 170 West 233 Street's 61.8 kBtu/ft² across 36,550 sq ft works out to about 2.3 billion Btu (662 MWh-equivalent) in 2024. Its source EUI of 155.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 555,210 kWh of electricity and 3,653 therms of natural gas for the year.
Which law requires 170 West 233 Street to report its energy use?
170 West 233 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:6697986:2024). 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
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- PDS Second Carroll LLC· 36,500 sq ft · score 97 (A)
- 8701 4 Avenue· 36,500 sq ft · score 74 (B)
- 210 Fifth Ave· 36,485 sq ft · EUI 132.8 kBtu/ft²
- 537 WEST 52 STREET· 36,351 sq ft
- 98 Fourth Street Development Group LLC· 36,300 sq ft · score 93 (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 170 West 233 Street's energy grade?
170 West 233 Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 61.8 kBtu/ft².
How much energy does 170 West 233 Street use?
Its 2024 site energy-use intensity was 61.8 kBtu/ft² (155.6 kBtu/ft² source) across 36,550 sq ft, including 555,210 kWh of electricity and 3,653 therms of natural gas.
What are 170 West 233 Street's carbon emissions?
170 West 233 Street reported 237 tCO₂e of greenhouse-gas emissions (6.5 kgCO₂e/ft²) for 2024.
Where is 170 West 233 Street?
170 West 233 Street is in New York City, New York 10463. Its coordinates are 40.88034, -73.90285 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 170 West 233 Street and when was it built?
170 West 233 Street has 36,550 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1957 as its year built. It is classed as office.
Is 170 West 233 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, “170 West 233 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/170-west-233-street-5d291ef3 (data as of October 2, 2026).