41 EAST 21 STREET
Self-Storage Facility in New York City, NY · 10010
At a glance
41 EAST 21 STREET is a 61,423-square-foot self-storage facility in New York City, New York, built in 1955. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 10.3 kBtu/ft² and 73 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 10.3 kBtu/ft² |
| Source EUI | 28.8 kBtu/ft² |
| GHG emissions | 73 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 185,323 kWh |
| Natural gas | 0 therms |
| Gross floor area | 61,423 sq ft |
| Source record | nyc:52714292:2024 |
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
- 41 EAST 21 STREET
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.73953, -73.98876
Within ~1 km
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- One Madison Avenuescore —
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- Benchmarking Group - 3score —
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See also: most efficient in New York City · biggest emitters
How does 41 EAST 21 STREET compare with other self-storage facility buildings in New York City?
The latest disclosures cover 481 self-storage facility buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 10.3 kBtu/ft² is about half of the average of 21.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.2 kgCO₂e/ft² is about 31% below the group average of 1.7 kgCO₂e/ft².
At 61,423 sq ft, it is about 38% below the average floor area of 98,872 sq ft for those buildings. It was built in 1955, 28 years earlier than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
What does a site EUI of 10.3 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. 41 EAST 21 STREET's 10.3 kBtu/ft² across 61,423 sq ft works out to about 0.6 billion Btu (185 MWh-equivalent) in 2024. Its source EUI of 28.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 185,323 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 41 EAST 21 STREET to report its energy use?
41 EAST 21 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:52714292:2024). 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 self-storage facility buildings in New York City
- CubeSmart (NYC) - 4681· 61,422 sq ft
- SHS Armstrong LLC· 60,733 sq ft · EUI 34.8 kBtu/ft²
- 629 Utica Avenue· 60,679 sq ft · EUI 6.4 kBtu/ft²
- 916 Grand Street· 60,225 sq ft · EUI 11.9 kBtu/ft²
- CubeSmart (NYC) - 825· 59,750 sq ft · EUI 21.2 kBtu/ft²
- 190405 East Tremont· 59,709 sq ft · EUI 13.3 kBtu/ft²
- Self-Storage Facility buildings in New York City· 481 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 41 EAST 21 STREET's energy grade?
41 EAST 21 STREET did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 10.3 kBtu/ft².
How much energy does 41 EAST 21 STREET use?
Its 2024 site energy-use intensity was 10.3 kBtu/ft² (28.8 kBtu/ft² source) across 61,423 sq ft, including 185,323 kWh of electricity and 0 therms of natural gas.
What are 41 EAST 21 STREET's carbon emissions?
41 EAST 21 STREET reported 73 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 2024.
Where is 41 EAST 21 STREET?
41 EAST 21 STREET is in New York City, New York 10010. Its coordinates are 40.73953, -73.98876 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 41 EAST 21 STREET and when was it built?
41 EAST 21 STREET has 61,423 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1955 as its year built. It is classed as self-storage facility.
Is 41 EAST 21 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, “41 EAST 21 STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/41-east-21-street-7c20118b (data as of October 2, 2026).