The L @ 1839
Manufacturing/Industrial Plant in New York City, NY · 18-39 41st Street · 11105
At a glance
The L @ 1839 is a 34,777-square-foot manufacturing/industrial plant at 18-39 41st Street in New York City, New York, built in 2021. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 17.3 kBtu/ft² and 61 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 17.3 kBtu/ft² |
| Source EUI | 41.4 kBtu/ft² |
| GHG emissions | 61 tCO₂e |
| GHG intensity | 1.7 kgCO₂e/ft² |
| Electricity | 135,526 kWh |
| Natural gas | 1,388 therms |
| Gross floor area | 34,777 sq ft |
| Source record | nyc:54024296:2024 |
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
- 18-39 41st Street
- City
- New York City
- State
- New York
- ZIP
- 11105
- Coordinates
- 40.77886, -73.89735
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The L @ 1839 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 17.3 kBtu/ft² is about 83% 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 1.7 kgCO₂e/ft² is about 77% below the group average of 7.7 kgCO₂e/ft².
At 34,777 sq ft, it is about 60% below the average floor area of 87,732 sq ft for those buildings. It was built in 2021, 72 years later 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.
What does a site EUI of 17.3 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. The L @ 1839's 17.3 kBtu/ft² across 34,777 sq ft works out to about 0.6 billion Btu (176 MWh-equivalent) in 2024. Its source EUI of 41.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 135,526 kWh of electricity and 1,388 therms of natural gas for the year.
Which law requires The L @ 1839 to report its energy use?
The L @ 1839 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:54024296:2024). 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
- Globe Electric: 33-70 10th St· 34,508 sq ft · EUI 48.7 kBtu/ft²
- 1201 Oak Point Ave· 34,500 sq ft · EUI 58.3 kBtu/ft²
- Ace Dropcloth· 34,464 sq ft · EUI 30.1 kBtu/ft²
- Martin Greenfield Clothiers· 34,360 sq ft · EUI 102.2 kBtu/ft²
- 841 63 Street (NG Account 851)· 34,300 sq ft · EUI 0.9 kBtu/ft²
- 841 63 Street (NG Account 859)· 34,300 sq ft · EUI 0.9 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 The L @ 1839's energy grade?
The L @ 1839 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 17.3 kBtu/ft².
How much energy does The L @ 1839 use?
Its 2024 site energy-use intensity was 17.3 kBtu/ft² (41.4 kBtu/ft² source) across 34,777 sq ft, including 135,526 kWh of electricity and 1,388 therms of natural gas.
What are The L @ 1839's carbon emissions?
The L @ 1839 reported 61 tCO₂e of greenhouse-gas emissions (1.7 kgCO₂e/ft²) for 2024.
Where is The L @ 1839?
The L @ 1839 is at 18-39 41st Street, in New York City, New York 11105. Its coordinates are 40.77886, -73.89735 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The L @ 1839 and when was it built?
The L @ 1839 has 34,777 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2021 as its year built. It is classed as manufacturing/industrial plant.
Is The L @ 1839 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, “The L @ 1839, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-l-1839-21f5c7cb (data as of October 2, 2026).