BPL_234_Coney Island Branch Library and Learning Ctr.
Library in New York City, NY · 1901 Mermaid Ave · 11224
At a glance
BPL_234_Coney Island Branch Library and Learning Ctr. is a 12,087-square-foot library at 1901 Mermaid Ave in New York City, New York, built in 1954. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 68.9 kBtu/ft² and 75 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 68.9 kBtu/ft² |
| Source EUI | 138.7 kBtu/ft² |
| GHG emissions | 75 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 134,713 kWh |
| Natural gas | 3,377 therms |
| Water use | 4 kgal |
| Gross floor area | 12,087 sq ft |
| Source record | nyc:21355149:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 68.9 kBtu/ft² | 75 tCO₂e | |
| 2023 | — | 53.1 kBtu/ft² | 65 tCO₂e | |
| 2022 | — | 64.9 kBtu/ft² | 59 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
- 1901 Mermaid Ave
- City
- New York City
- State
- New York
- ZIP
- 11224
- Coordinates
- 40.57650, -73.98599
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does BPL_234_Coney Island Branch Library and Learning Ctr. 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 68.9 kBtu/ft² is about 11% 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 6.2 kgCO₂e/ft² is roughly in line with the group average of 6.5 kgCO₂e/ft².
At 12,087 sq ft, it is about 78% below the average floor area of 55,576 sq ft for those buildings. It was built in 1954, 7 years later than the group's average year built (1947).
How has BPL_234_Coney Island Branch Library and Learning Ctr.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for BPL_234_Coney Island Branch Library and Learning Ctr., covering report years 2022–2024. Site EUI moved from 64.9 kBtu/ft² (2022) to 68.9 kBtu/ft² (2024), an 6% increase. Reported emissions went from 59 tCO₂e to 75 tCO₂e over the same span (up 28%).
What does a site EUI of 68.9 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. BPL_234_Coney Island Branch Library and Learning Ctr.'s 68.9 kBtu/ft² across 12,087 sq ft works out to about 0.8 billion Btu (244 MWh-equivalent) in 2024. Its source EUI of 138.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 134,713 kWh of electricity, 3,377 therms of natural gas and 4 thousand gallons of water for the year.
Which law requires BPL_234_Coney Island Branch Library and Learning Ctr. to report its energy use?
BPL_234_Coney Island Branch Library and Learning Ctr. 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:21355149:2024). 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_4683_New Dorp Branch Library· 12,000 sq ft · EUI 70.4 kBtu/ft²
- BPL_243_Flatlands Branch Library· 11,903 sq ft · EUI 62.8 kBtu/ft²
- NYPL_4657_Tremont Branch Library· 11,900 sq ft · EUI 125.7 kBtu/ft²
- NYPL_4632_Webster Branch Library· 11,801 sq ft · EUI 99.8 kBtu/ft²
- QPL_4740_Kew Gardens Hills Community Library· 11,666 sq ft · EUI 92.0 kBtu/ft²
- NYPL_4600_Columbus Branch Library· 11,554 sq ft · EUI 78.2 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_234_Coney Island Branch Library and Learning Ctr.'s energy grade?
BPL_234_Coney Island Branch Library and Learning Ctr. did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 68.9 kBtu/ft².
How much energy does BPL_234_Coney Island Branch Library and Learning Ctr. use?
Its 2024 site energy-use intensity was 68.9 kBtu/ft² (138.7 kBtu/ft² source) across 12,087 sq ft, including 134,713 kWh of electricity and 3,377 therms of natural gas.
What are BPL_234_Coney Island Branch Library and Learning Ctr.'s carbon emissions?
BPL_234_Coney Island Branch Library and Learning Ctr. reported 75 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is BPL_234_Coney Island Branch Library and Learning Ctr.?
BPL_234_Coney Island Branch Library and Learning Ctr. is at 1901 Mermaid Ave, in New York City, New York 11224. Its coordinates are 40.57650, -73.98599 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is BPL_234_Coney Island Branch Library and Learning Ctr. and when was it built?
BPL_234_Coney Island Branch Library and Learning Ctr. has 12,087 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1954 as its year built. It is classed as library.
Is BPL_234_Coney Island Branch Library and Learning Ctr. 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_234_Coney Island Branch Library and Learning Ctr., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/bpl-234-coney-island-branch-library-and-learning-ctr-d1fd7ec2 (data as of October 2, 2026).