23 West 55 Street
Parking in New York City, NY · 10019
At a glance
23 West 55 Street is a 54,420-square-foot parking building in New York City, New York, built in 1979. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 15.2 kBtu/ft² and 90 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 15.2 kBtu/ft² |
| Source EUI | 42.5 kBtu/ft² |
| GHG emissions | 90 tCO₂e |
| GHG intensity | 1.7 kgCO₂e/ft² |
| Electricity | 242,130 kWh |
| Gross floor area | 54,420 sq ft |
| Source record | nyc:12750886:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 15.2 kBtu/ft² | 90 tCO₂e | |
| 2022 | — | 9.0 kBtu/ft² | 42 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
- 23 West 55 Street
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76209, -73.97590
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 23 West 55 Street compare with other parking buildings in New York City?
The latest disclosures cover 301 parking buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 15.2 kBtu/ft² is about 62% below the average of 39.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.7 kgCO₂e/ft² is about half of the group average of 3.7 kgCO₂e/ft².
At 54,420 sq ft, it is about 42% below the average floor area of 93,719 sq ft for those buildings. It was built in 1979, 22 years later than the group's average year built (1957). Across all 24 jurisdictions BuildingCensus covers, the 1,071 parking buildings average an ENERGY STAR score of 67 and a site EUI of 40.3 kBtu/ft².
How has 23 West 55 Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 23 West 55 Street, covering report years 2022–2023. Site EUI moved from 9.0 kBtu/ft² (2022) to 15.2 kBtu/ft² (2023), an 69% increase. Reported emissions went from 42 tCO₂e to 90 tCO₂e over the same span (up 116%).
What does a site EUI of 15.2 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. 23 West 55 Street's 15.2 kBtu/ft² across 54,420 sq ft works out to about 0.8 billion Btu (242 MWh-equivalent) in 2023. Its source EUI of 42.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 242,130 kWh of electricity for the year.
Which law requires 23 West 55 Street to report its energy use?
23 West 55 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:12750886:2023). 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 parking buildings in New York City
- Carousel: 201 WEST 75 STREET· 53,719 sq ft · EUI 91.1 kBtu/ft²
- East 16th Street: 110 E 16th St· 53,686 sq ft · EUI 6.4 kBtu/ft²
- BR - 340 East 59th Street· 52,500 sq ft · EUI 7.2 kBtu/ft²
- KRW: 10 E 30th St· 52,137 sq ft · EUI 8.9 kBtu/ft²
- Garage: 122 West 3rd· 52,002 sq ft · EUI 7.7 kBtu/ft²
- 332 West 44th Street (334 WEST 44 STREET)· 51,995 sq ft · EUI 22.4 kBtu/ft²
- Parking buildings in New York City· 301 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 23 West 55 Street's energy grade?
23 West 55 Street did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 15.2 kBtu/ft².
How much energy does 23 West 55 Street use?
Its 2023 site energy-use intensity was 15.2 kBtu/ft² (42.5 kBtu/ft² source) across 54,420 sq ft, including 242,130 kWh of electricity.
What are 23 West 55 Street's carbon emissions?
23 West 55 Street reported 90 tCO₂e of greenhouse-gas emissions (1.7 kgCO₂e/ft²) for 2023.
Where is 23 West 55 Street?
23 West 55 Street is in New York City, New York 10019. Its coordinates are 40.76209, -73.97590 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 23 West 55 Street and when was it built?
23 West 55 Street has 54,420 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1979 as its year built. It is classed as parking.
Is 23 West 55 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, “23 West 55 Street, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/23-west-55-street-3ef08bd2 (data as of October 2, 2026).