43-20 34th Street
Manufacturing/Industrial Plant in New York City, NY · 43-12 34th Street · 11101
At a glance
43-20 34th Street is a 51,918-square-foot manufacturing/industrial plant at 43-12 34th Street in New York City, New York, built in 1931. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 11.8 kBtu/ft² and 71 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 11.8 kBtu/ft² |
| Source EUI | 33.2 kBtu/ft² |
| GHG emissions | 71 tCO₂e |
| GHG intensity | 1.4 kgCO₂e/ft² |
| Electricity | 180,225 kWh |
| Natural gas | 0 therms |
| Gross floor area | 51,918 sq ft |
| Source record | nyc:28412366:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 11.8 kBtu/ft² | 71 tCO₂e | |
| 2023 | — | 69.2 kBtu/ft² | 226 tCO₂e | |
| 2022 | — | 78.3 kBtu/ft² | 239 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
- 43-12 34th Street
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.74593, -73.93049
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 43-20 34th Street compare with other manufacturing/industrial plant buildings in New York City?
The latest disclosures cover 592 manufacturing/industrial plant buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 11.8 kBtu/ft² is about 89% below the average of 102.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.4 kgCO₂e/ft² is about 82% below the group average of 7.7 kgCO₂e/ft².
At 51,918 sq ft, it is about 41% below the average floor area of 87,732 sq ft for those buildings. It was built in 1931, 18 years earlier than the group's average year built (1949). Across all 24 jurisdictions BuildingCensus covers, the 2,372 manufacturing/industrial plant buildings average an ENERGY STAR score of 67 and a site EUI of 126.3 kBtu/ft².
How has 43-20 34th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 43-20 34th Street, covering report years 2022–2024. Site EUI moved from 78.3 kBtu/ft² (2022) to 11.8 kBtu/ft² (2024), a 85% decrease. Reported emissions went from 239 tCO₂e to 71 tCO₂e over the same span (down 70%).
What does a site EUI of 11.8 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. 43-20 34th Street's 11.8 kBtu/ft² across 51,918 sq ft works out to about 0.6 billion Btu (180 MWh-equivalent) in 2024. Its source EUI of 33.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 180,225 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 43-20 34th Street to report its energy use?
43-20 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:28412366:2024). 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 manufacturing/industrial plant buildings in New York City
- CWN Property Management:45-10 19 AVENUE· 51,900 sq ft · EUI 6.0 kBtu/ft²
- 45-10 19th Ave· 51,900 sq ft · EUI 6.0 kBtu/ft²
- 49-29 Metropolitan Avenue· 51,209 sq ft · EUI 4.1 kBtu/ft²
- Crosstown: 812 Snediker Ave· 51,018 sq ft · EUI 11.5 kBtu/ft²
- 65-75 Traffic Ave : 65-75 TRAFFIC AVENUE· 51,000 sq ft · EUI 19.7 kBtu/ft²
- 39-30 Review Avenue· 50,400 sq ft · EUI 58.3 kBtu/ft²
- Manufacturing/Industrial Plant buildings in New York City· 592 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 43-20 34th Street's energy grade?
43-20 34th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 11.8 kBtu/ft².
How much energy does 43-20 34th Street use?
Its 2024 site energy-use intensity was 11.8 kBtu/ft² (33.2 kBtu/ft² source) across 51,918 sq ft, including 180,225 kWh of electricity and 0 therms of natural gas.
What are 43-20 34th Street's carbon emissions?
43-20 34th Street reported 71 tCO₂e of greenhouse-gas emissions (1.4 kgCO₂e/ft²) for 2024.
Where is 43-20 34th Street?
43-20 34th Street is at 43-12 34th Street, in New York City, New York 11101. Its coordinates are 40.74593, -73.93049 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 43-20 34th Street and when was it built?
43-20 34th Street has 51,918 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as manufacturing/industrial plant.
Is 43-20 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, “43-20 34th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/43-20-34th-street-dd4d23de (data as of October 2, 2026).