QPL_4745_Long Island City Community Library
Library in New York City, NY · 37-44 21st St · 11101
At a glance
QPL_4745_Long Island City Community Library is a 18,000-square-foot library at 37-44 21st St in New York City, New York, built in 2006. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 90.8 kBtu/ft² and 184 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 90.8 kBtu/ft² |
| Source EUI | 248.5 kBtu/ft² |
| GHG emissions | 184 tCO₂e |
| GHG intensity | 10.3 kgCO₂e/ft² |
| Electricity | 461,608 kWh |
| Natural gas | 595 therms |
| Gross floor area | 18,000 sq ft |
| Source record | nyc:21353909:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 90.8 kBtu/ft² | 184 tCO₂e | |
| 2023 | — | 101.3 kBtu/ft² | 174 tCO₂e | |
| 2022 | — | 117.2 kBtu/ft² | 148 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
- 37-44 21st St
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.75782, -73.93878
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does QPL_4745_Long Island City Community Library compare with other library buildings in New York City?
The latest disclosures cover 110 library buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 90.8 kBtu/ft² is about 17% above the average of 77.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 10.3 kgCO₂e/ft² is about 58% above the group average of 6.5 kgCO₂e/ft².
At 18,000 sq ft, it is about 68% below the average floor area of 55,576 sq ft for those buildings. It was built in 2006, 59 years later than the group's average year built (1947).
How has QPL_4745_Long Island City Community Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for QPL_4745_Long Island City Community Library, covering report years 2022–2024. Site EUI moved from 117.2 kBtu/ft² (2022) to 90.8 kBtu/ft² (2024), a 23% decrease. Reported emissions went from 148 tCO₂e to 184 tCO₂e over the same span (up 25%).
What does a site EUI of 90.8 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. QPL_4745_Long Island City Community Library's 90.8 kBtu/ft² across 18,000 sq ft works out to about 1.6 billion Btu (479 MWh-equivalent) in 2024. Its source EUI of 248.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 461,608 kWh of electricity and 595 therms of natural gas for the year.
Which law requires QPL_4745_Long Island City Community Library to report its energy use?
QPL_4745_Long Island City Community Library 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:21353909:2024). 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 library buildings in New York City
- NYPL_4627_St. Agnes Branch Library· 17,792 sq ft · EUI 101.8 kBtu/ft²
- NYPL_4610_Inwood Branch Library· 17,334 sq ft · EUI 0.0 kBtu/ft²
- NYPL_4631_Washington Heights Branch Library· 17,274 sq ft · EUI 78.7 kBtu/ft²
- NYPL_4644_Grand Concourse Branch Library· 16,874 sq ft · EUI 121.5 kBtu/ft²
- NYPL_4664_Woodstock Branch Library· 16,524 sq ft · EUI 88.8 kBtu/ft²
- BPL_222_Bay Ridge Branch Library· 16,506 sq ft · EUI 104.7 kBtu/ft²
- Library buildings in New York City· 110 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 QPL_4745_Long Island City Community Library's energy grade?
QPL_4745_Long Island City Community Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 90.8 kBtu/ft².
How much energy does QPL_4745_Long Island City Community Library use?
Its 2024 site energy-use intensity was 90.8 kBtu/ft² (248.5 kBtu/ft² source) across 18,000 sq ft, including 461,608 kWh of electricity and 595 therms of natural gas.
What are QPL_4745_Long Island City Community Library's carbon emissions?
QPL_4745_Long Island City Community Library reported 184 tCO₂e of greenhouse-gas emissions (10.3 kgCO₂e/ft²) for 2024.
Where is QPL_4745_Long Island City Community Library?
QPL_4745_Long Island City Community Library is at 37-44 21st St, in New York City, New York 11101. Its coordinates are 40.75782, -73.93878 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is QPL_4745_Long Island City Community Library and when was it built?
QPL_4745_Long Island City Community Library has 18,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2006 as its year built. It is classed as library.
Is QPL_4745_Long Island City Community Library 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, “QPL_4745_Long Island City Community Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/qpl-4745-long-island-city-community-library-345380d5 (data as of October 2, 2026).