323 West 34th Street
Parking in New York City, NY · 323 WEST 34 STREET · 10001
At a glance
323 West 34th Street is a 103,201-square-foot parking building at 323 WEST 34 STREET in New York City, New York, built in 1956. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 9.1 kBtu/ft² and 108 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 9.1 kBtu/ft² |
| Source EUI | 25.4 kBtu/ft² |
| GHG emissions | 108 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 273,016 kWh |
| Natural gas | 84 therms |
| Water use | 691 kgal |
| Gross floor area | 103,201 sq ft |
| Source record | nyc:2955756:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 9.1 kBtu/ft² | 108 tCO₂e | |
| 2023 | — | 8.4 kBtu/ft² | 94 tCO₂e | |
| 2022 | — | 10.7 kBtu/ft² | 93 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
- 323 WEST 34 STREET
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.75257, -73.99433
Within ~1 km
Nearby benchmarked buildings
- Hudson Yards Cogen Campusscore —
Other · 7,739,076 sq ft
- Manhattan Westscore —
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- 20-30 Hudson Yardsscore —
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- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 50 Hudson Yardsscore 76
Office · 2,944,455 sq ft
- The Spiral - 66 Hudson Boulevardscore 82
Office · 2,830,000 sq ft
See also: most efficient in New York City · biggest emitters
How does 323 West 34th 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 9.1 kBtu/ft² is about 77% 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 1.0 kgCO₂e/ft² is about 72% below the group average of 3.7 kgCO₂e/ft².
At 103,201 sq ft, it is about 10% above the average floor area of 93,719 sq ft for those buildings. Its 1956 construction date is close to 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 323 West 34th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 323 West 34th Street, covering report years 2022–2024. Site EUI moved from 10.7 kBtu/ft² (2022) to 9.1 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 93 tCO₂e to 108 tCO₂e over the same span (up 16%).
What does a site EUI of 9.1 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. 323 West 34th Street's 9.1 kBtu/ft² across 103,201 sq ft works out to about 0.9 billion Btu (275 MWh-equivalent) in 2024. Its source EUI of 25.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 273,016 kWh of electricity, 84 therms of natural gas and 691 thousand gallons of water for the year.
Which law requires 323 West 34th Street to report its energy use?
323 West 34th 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:2955756:2024). 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 parking buildings in New York City
- ABC· 100,000 sq ft
- Hillman Housing - 24 Columbia Street - Parking - CHILD· 98,862 sq ft
- 275 Delancey Street· 98,862 sq ft
- 2040 East Tremont Avenue· 98,295 sq ft
- 2030 East Tremont Avenue· 98,295 sq ft
- Stagg Group-4435 White Plains· 92,345 sq ft · score 91 (A)
- 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 323 West 34th Street's energy grade?
323 West 34th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 9.1 kBtu/ft².
How much energy does 323 West 34th Street use?
Its 2024 site energy-use intensity was 9.1 kBtu/ft² (25.4 kBtu/ft² source) across 103,201 sq ft, including 273,016 kWh of electricity and 84 therms of natural gas.
What are 323 West 34th Street's carbon emissions?
323 West 34th Street reported 108 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2024.
Where is 323 West 34th Street?
323 West 34th Street is at 323 WEST 34 STREET, in New York City, New York 10001. Its coordinates are 40.75257, -73.99433 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 323 West 34th Street and when was it built?
323 West 34th Street has 103,201 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1956 as its year built. It is classed as parking.
Is 323 West 34th 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, “323 West 34th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/323-west-34th-street-16585583 (data as of October 2, 2026).