QPN21
Self-Storage Facility in New York City, NY · 41-45 21st Street · 11101
At a glance
QPN21 is a 170,000-square-foot self-storage facility at 41-45 21st Street in New York City, New York, built in 2015. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 54.5 kBtu/ft² and 769 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 54.5 kBtu/ft² |
| Source EUI | 108.5 kBtu/ft² |
| GHG emissions | 769 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 1,458,269 kWh |
| Natural gas | 42,939 therms |
| Water use | 538 kgal |
| Gross floor area | 170,000 sq ft |
| Source record | nyc:22960883:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 54.5 kBtu/ft² | 769 tCO₂e | |
| 2022 | — | 55.9 kBtu/ft² | 660 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
- 41-45 21st Street
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.75325, -73.94313
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does QPN21 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 54.5 kBtu/ft² is about 157% above the average of 21.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.5 kgCO₂e/ft² is about 165% above the group average of 1.7 kgCO₂e/ft².
At 170,000 sq ft, it is about 72% above the average floor area of 98,872 sq ft for those buildings. It was built in 2015, 32 years later 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.
How has QPN21's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for QPN21, covering report years 2022–2023. Site EUI moved from 55.9 kBtu/ft² (2022) to 54.5 kBtu/ft² (2023), a 3% decrease. Reported emissions went from 660 tCO₂e to 769 tCO₂e over the same span (up 17%).
What does a site EUI of 54.5 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. QPN21's 54.5 kBtu/ft² across 170,000 sq ft works out to about 9.3 billion Btu (2,715 MWh-equivalent) in 2023. Its source EUI of 108.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,458,269 kWh of electricity, 42,939 therms of natural gas and 538 thousand gallons of water for the year.
Which law requires QPN21 to report its energy use?
QPN21 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 2023 disclosure (source record nyc:22960883:2023). 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
- 72 Caton Pl, Brooklyn, NY 11218· 168,034 sq ft · EUI 16.4 kBtu/ft²
- 72 Caton Place Owner LLC· 168,034 sq ft · EUI 4.2 kBtu/ft²
- 4998-330 Greenfield Ave· 165,013 sq ft · EUI 4.1 kBtu/ft²
- CAMPUS - 55 and 57 VANDAM STREET - [161 Varick St.]· 164,792 sq ft · EUI 27.5 kBtu/ft²
- MMS #1995· 164,791 sq ft · EUI 28.8 kBtu/ft²
- 20-20 129th Street· 163,000 sq ft · EUI 29.7 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 QPN21's energy grade?
QPN21 did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 54.5 kBtu/ft².
How much energy does QPN21 use?
Its 2023 site energy-use intensity was 54.5 kBtu/ft² (108.5 kBtu/ft² source) across 170,000 sq ft, including 1,458,269 kWh of electricity and 42,939 therms of natural gas.
What are QPN21's carbon emissions?
QPN21 reported 769 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2023.
Where is QPN21?
QPN21 is at 41-45 21st Street, in New York City, New York 11101. Its coordinates are 40.75325, -73.94313 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is QPN21 and when was it built?
QPN21 has 170,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2015 as its year built. It is classed as self-storage facility.
Is QPN21 covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “QPN21, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/qpn21-0461ea7e (data as of October 2, 2026).