43-10 21st Street
Manufacturing/Industrial Plant in New York City, NY · 11101
At a glance
43-10 21st Street is a 40,893-square-foot manufacturing/industrial plant in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 50.6 kBtu/ft² and 172 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 50.6 kBtu/ft² |
| Source EUI | 80.8 kBtu/ft² |
| GHG emissions | 172 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 195,697 kWh |
| Natural gas | 4,532 therms |
| Water use | 794 kgal |
| Gross floor area | 40,893 sq ft |
| Source record | nyc:45352093:2024 |
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
- 43-10 21st Street
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.75048, -73.94581
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 43-10 21st 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 50.6 kBtu/ft² is about half of 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 4.2 kgCO₂e/ft² is about half of the group average of 7.7 kgCO₂e/ft².
At 40,893 sq ft, it is about half of the average floor area of 87,732 sq ft for those buildings. It was built in 1925, 24 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.
What does a site EUI of 50.6 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. 43-10 21st Street's 50.6 kBtu/ft² across 40,893 sq ft works out to about 2.1 billion Btu (606 MWh-equivalent) in 2024. Its source EUI of 80.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 195,697 kWh of electricity, 4,532 therms of natural gas and 794 thousand gallons of water for the year.
Which law requires 43-10 21st Street to report its energy use?
43-10 21st 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:45352093:2024). 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
- 966-988 Alabama Ave, Brooklyn, NY 11207, USA· 40,804 sq ft · EUI 48.9 kBtu/ft²
- 966-988 Alabama Ave, Brooklyn, NY 11207· 40,804 sq ft · EUI 12.2 kBtu/ft²
- 69 2nd Avenue· 40,713 sq ft · EUI 81.9 kBtu/ft²
- 380 Morgan Ave, Brooklyn, NY 11211· 40,700 sq ft · EUI 12.8 kBtu/ft²
- Robert Zirinksy: 35-02 36 AVE· 40,609 sq ft · EUI 24.9 kBtu/ft²
- 43rd Ave Enterprises Corp.· 40,480 sq ft · EUI 48.0 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 43-10 21st Street's energy grade?
43-10 21st Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 50.6 kBtu/ft².
How much energy does 43-10 21st Street use?
Its 2024 site energy-use intensity was 50.6 kBtu/ft² (80.8 kBtu/ft² source) across 40,893 sq ft, including 195,697 kWh of electricity and 4,532 therms of natural gas.
What are 43-10 21st Street's carbon emissions?
43-10 21st Street reported 172 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024.
Where is 43-10 21st Street?
43-10 21st Street is in New York City, New York 11101. Its coordinates are 40.75048, -73.94581 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 43-10 21st Street and when was it built?
43-10 21st Street has 40,893 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as manufacturing/industrial plant.
Is 43-10 21st 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, “43-10 21st Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/43-10-21st-street-f2319a13 (data as of October 2, 2026).