BPL_252_Kings Bay Branch Library
Library in New York City, NY · 3650 Nostrand Ave · 11229
At a glance
BPL_252_Kings Bay Branch Library is a 14,885-square-foot library at 3650 Nostrand Ave in New York City, New York, built in 1952. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 64.8 kBtu/ft² and 93 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 64.8 kBtu/ft² |
| Source EUI | 148.1 kBtu/ft² |
| GHG emissions | 93 tCO₂e |
| GHG intensity | 6.3 kgCO₂e/ft² |
| Electricity | 199,743 kWh |
| Natural gas | 2,823 therms |
| Water use | 64 kgal |
| Gross floor area | 14,885 sq ft |
| Source record | nyc:21355156:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 64.8 kBtu/ft² | 93 tCO₂e | |
| 2023 | — | 62.6 kBtu/ft² | 88 tCO₂e | |
| 2022 | — | 70.6 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
- 3650 Nostrand Ave
- City
- New York City
- State
- New York
- ZIP
- 11229
- Coordinates
- 40.59497, -73.94085
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does BPL_252_Kings Bay 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 64.8 kBtu/ft² is about 16% below the average of 77.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 6.3 kgCO₂e/ft² is roughly in line with the group average of 6.5 kgCO₂e/ft².
At 14,885 sq ft, it is about 73% below the average floor area of 55,576 sq ft for those buildings. It was built in 1952, 5 years later than the group's average year built (1947).
How has BPL_252_Kings Bay Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for BPL_252_Kings Bay Branch Library, covering report years 2022–2024. Site EUI moved from 70.6 kBtu/ft² (2022) to 64.8 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 77 tCO₂e to 93 tCO₂e over the same span (up 22%).
What does a site EUI of 64.8 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. BPL_252_Kings Bay Branch Library's 64.8 kBtu/ft² across 14,885 sq ft works out to about 1 billion Btu (283 MWh-equivalent) in 2024. Its source EUI of 148.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 199,743 kWh of electricity, 2,823 therms of natural gas and 64 thousand gallons of water for the year.
Which law requires BPL_252_Kings Bay Branch Library to report its energy use?
BPL_252_Kings Bay 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:21355156:2024). 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
- BPL_230_Carroll Gardens Branch Library· 14,779 sq ft · EUI 56.1 kBtu/ft²
- BPL_272_Stone Avenue Branch Library· 14,258 sq ft · EUI 90.4 kBtu/ft²
- NYPL_4588_115th Street Branch Library· 14,080 sq ft · EUI 51.4 kBtu/ft²
- QPL_4761_Ridgewood Community Library· 14,000 sq ft · EUI 95.0 kBtu/ft²
- NYPL_4603_Fort Washington Branch Library· 13,877 sq ft · EUI 0.0 kBtu/ft²
- NYPL_4591_67th Street Branch Library· 13,788 sq ft · EUI 65.5 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 BPL_252_Kings Bay Branch Library's energy grade?
BPL_252_Kings Bay Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 64.8 kBtu/ft².
How much energy does BPL_252_Kings Bay Branch Library use?
Its 2024 site energy-use intensity was 64.8 kBtu/ft² (148.1 kBtu/ft² source) across 14,885 sq ft, including 199,743 kWh of electricity and 2,823 therms of natural gas.
What are BPL_252_Kings Bay Branch Library's carbon emissions?
BPL_252_Kings Bay Branch Library reported 93 tCO₂e of greenhouse-gas emissions (6.3 kgCO₂e/ft²) for 2024.
Where is BPL_252_Kings Bay Branch Library?
BPL_252_Kings Bay Branch Library is at 3650 Nostrand Ave, in New York City, New York 11229. Its coordinates are 40.59497, -73.94085 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is BPL_252_Kings Bay Branch Library and when was it built?
BPL_252_Kings Bay Branch Library has 14,885 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1952 as its year built. It is classed as library.
Is BPL_252_Kings Bay 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, “BPL_252_Kings Bay Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/bpl-252-kings-bay-branch-library-5d5abf46 (data as of October 2, 2026).