NYPL_4662_Westchester Square Branch Library
Library in New York City, NY · 2527 Glebe Ave · 10461
At a glance
NYPL_4662_Westchester Square Branch Library is a 13,026-square-foot library at 2527 Glebe Ave 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 109.9 kBtu/ft² and 105 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 109.9 kBtu/ft² |
| Source EUI | 178.5 kBtu/ft² |
| GHG emissions | 105 tCO₂e |
| GHG intensity | 8.1 kgCO₂e/ft² |
| Electricity | 137,749 kWh |
| Natural gas | 9,611 therms |
| Gross floor area | 13,026 sq ft |
| Source record | nyc:21355071:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 109.9 kBtu/ft² | 105 tCO₂e | |
| 2023 | — | 92.7 kBtu/ft² | 92 tCO₂e | |
| 2022 | — | 93.1 kBtu/ft² | 77 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
- 2527 Glebe Ave
- City
- New York City
- State
- New York
- ZIP
- 10461
- Coordinates
- 40.84096, -73.84636
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does NYPL_4662_Westchester Square Branch 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 109.9 kBtu/ft² is about 42% 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 8.1 kgCO₂e/ft² is about 24% above the group average of 6.5 kgCO₂e/ft².
At 13,026 sq ft, it is about 77% below the average floor area of 55,576 sq ft for those buildings. It was built in 1955, 8 years later than the group's average year built (1947).
How has NYPL_4662_Westchester Square Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for NYPL_4662_Westchester Square Branch Library, covering report years 2022–2024. Site EUI moved from 93.1 kBtu/ft² (2022) to 109.9 kBtu/ft² (2024), an 18% increase. Reported emissions went from 77 tCO₂e to 105 tCO₂e over the same span (up 36%).
What does a site EUI of 109.9 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. NYPL_4662_Westchester Square Branch Library's 109.9 kBtu/ft² across 13,026 sq ft works out to about 1.4 billion Btu (420 MWh-equivalent) in 2024. Its source EUI of 178.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 137,749 kWh of electricity and 9,611 therms of natural gas for the year.
Which law requires NYPL_4662_Westchester Square Branch Library to report its energy use?
NYPL_4662_Westchester Square Branch 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:21355071:2024). 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_4617_Muhlenberg Branch Library· 12,953 sq ft · EUI 58.7 kBtu/ft²
- NYPL_9022_Kingsbridge Library· 12,812 sq ft · EUI 120.4 kBtu/ft²
- QPL_4753_Peninsula (ALC) Community Library· 12,750 sq ft · EUI 69.3 kBtu/ft²
- BPL_238_DeKalb Branch Library· 12,584 sq ft · EUI 76.2 kBtu/ft²
- NYPL_4646_Hunt's Point Branch Library· 12,283 sq ft · EUI 0.0 kBtu/ft²
- NYPL_4599_Chatham Square Branch Library· 12,243 sq ft · EUI 91.4 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 NYPL_4662_Westchester Square Branch Library's energy grade?
NYPL_4662_Westchester Square Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 109.9 kBtu/ft².
How much energy does NYPL_4662_Westchester Square Branch Library use?
Its 2024 site energy-use intensity was 109.9 kBtu/ft² (178.5 kBtu/ft² source) across 13,026 sq ft, including 137,749 kWh of electricity and 9,611 therms of natural gas.
What are NYPL_4662_Westchester Square Branch Library's carbon emissions?
NYPL_4662_Westchester Square Branch Library reported 105 tCO₂e of greenhouse-gas emissions (8.1 kgCO₂e/ft²) for 2024.
Where is NYPL_4662_Westchester Square Branch Library?
NYPL_4662_Westchester Square Branch Library is at 2527 Glebe Ave, in New York City, New York 10461. Its coordinates are 40.84096, -73.84636 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is NYPL_4662_Westchester Square Branch Library and when was it built?
NYPL_4662_Westchester Square Branch Library has 13,026 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1955 as its year built. It is classed as library.
Is NYPL_4662_Westchester Square Branch 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, “NYPL_4662_Westchester Square Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/nypl-4662-westchester-square-branch-library-2f0fa5cd (data as of October 2, 2026).