NYPL_4588_115th Street Branch Library
Library in New York City, NY · 203 West 115th St · 10026
At a glance
NYPL_4588_115th Street Branch Library is a 14,080-square-foot library at 203 West 115th St in New York City, New York, built in 1908. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 51.4 kBtu/ft² and 83 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 51.4 kBtu/ft² |
| Source EUI | 144.0 kBtu/ft² |
| GHG emissions | 83 tCO₂e |
| GHG intensity | 5.9 kgCO₂e/ft² |
| Electricity | 212,289 kWh |
| Water use | 25 kgal |
| Gross floor area | 14,080 sq ft |
| Source record | nyc:21355474:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 51.4 kBtu/ft² | 83 tCO₂e | |
| 2023 | — | 56.2 kBtu/ft² | 86 tCO₂e | |
| 2022 | — | 84.2 kBtu/ft² | 85 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
- 203 West 115th St
- City
- New York City
- State
- New York
- ZIP
- 10026
- Coordinates
- 40.80270, -73.95338
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does NYPL_4588_115th Street 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 51.4 kBtu/ft² is about 34% 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 5.9 kgCO₂e/ft² is roughly in line with the group average of 6.5 kgCO₂e/ft².
At 14,080 sq ft, it is about 75% below the average floor area of 55,576 sq ft for those buildings. It was built in 1908, 39 years earlier than the group's average year built (1947).
How has NYPL_4588_115th Street Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for NYPL_4588_115th Street Branch Library, covering report years 2022–2024. Site EUI moved from 84.2 kBtu/ft² (2022) to 51.4 kBtu/ft² (2024), a 39% decrease. Reported emissions went from 85 tCO₂e to 83 tCO₂e over the same span (down 1%).
What does a site EUI of 51.4 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_4588_115th Street Branch Library's 51.4 kBtu/ft² across 14,080 sq ft works out to about 0.7 billion Btu (212 MWh-equivalent) in 2024. Its source EUI of 144.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 212,289 kWh of electricity and 25 thousand gallons of water for the year.
Which law requires NYPL_4588_115th Street Branch Library to report its energy use?
NYPL_4588_115th Street 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:21355474:2024). 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
- 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
- QPL_4727_East Elmhurst Community Library· 13,761 sq ft · EUI 66.5 kBtu/ft²
- NYPL_4589_125th Street Branch Library· 13,657 sq ft
- NYPL_4602_Epiphany Branch Library· 13,615 sq ft · EUI 162.4 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_4588_115th Street Branch Library's energy grade?
NYPL_4588_115th Street Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 51.4 kBtu/ft².
How much energy does NYPL_4588_115th Street Branch Library use?
Its 2024 site energy-use intensity was 51.4 kBtu/ft² (144.0 kBtu/ft² source) across 14,080 sq ft, including 212,289 kWh of electricity.
What are NYPL_4588_115th Street Branch Library's carbon emissions?
NYPL_4588_115th Street Branch Library reported 83 tCO₂e of greenhouse-gas emissions (5.9 kgCO₂e/ft²) for 2024.
Where is NYPL_4588_115th Street Branch Library?
NYPL_4588_115th Street Branch Library is at 203 West 115th St, in New York City, New York 10026. Its coordinates are 40.80270, -73.95338 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is NYPL_4588_115th Street Branch Library and when was it built?
NYPL_4588_115th Street Branch Library has 14,080 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1908 as its year built. It is classed as library.
Is NYPL_4588_115th Street 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_4588_115th Street Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/nypl-4588-115th-street-branch-library-1e1dec77 (data as of October 2, 2026).