NYPL_4601_Countee Cullen Branch Library
Library in New York City, NY · 104 West 136th St · 10030
At a glance
NYPL_4601_Countee Cullen Branch Library is a 23,345-square-foot library at 104 West 136th St in New York City, New York, built in 1941. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 230.7 kBtu/ft² and 358 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 230.7 kBtu/ft² |
| Source EUI | 329.3 kBtu/ft² |
| GHG emissions | 358 tCO₂e |
| GHG intensity | 15.3 kgCO₂e/ft² |
| Electricity | 340,612 kWh |
| Natural gas | 42,229 therms |
| Gross floor area | 23,345 sq ft |
| Source record | nyc:21354989:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 230.7 kBtu/ft² | 358 tCO₂e | |
| 2023 | — | 251.9 kBtu/ft² | 370 tCO₂e | |
| 2022 | — | 251.7 kBtu/ft² | 336 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
- 104 West 136th St
- City
- New York City
- State
- New York
- ZIP
- 10030
- Coordinates
- 40.81500, -73.94092
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does NYPL_4601_Countee Cullen 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 230.7 kBtu/ft² is about 198% 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 15.3 kgCO₂e/ft² is about 136% above the group average of 6.5 kgCO₂e/ft².
At 23,345 sq ft, it is about 58% below the average floor area of 55,576 sq ft for those buildings. It was built in 1941, 6 years earlier than the group's average year built (1947).
How has NYPL_4601_Countee Cullen Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for NYPL_4601_Countee Cullen Branch Library, covering report years 2022–2024. Site EUI moved from 251.7 kBtu/ft² (2022) to 230.7 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 336 tCO₂e to 358 tCO₂e over the same span (up 7%).
What does a site EUI of 230.7 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_4601_Countee Cullen Branch Library's 230.7 kBtu/ft² across 23,345 sq ft works out to about 5.4 billion Btu (1,578 MWh-equivalent) in 2024. Its source EUI of 329.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 340,612 kWh of electricity and 42,229 therms of natural gas for the year.
Which law requires NYPL_4601_Countee Cullen Branch Library to report its energy use?
NYPL_4601_Countee Cullen 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:21354989:2024). 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_4741_Langston Hughes Community Library· 23,000 sq ft · EUI 80.9 kBtu/ft²
- BPL_262_New Utrecht Branch Library· 22,557 sq ft · EUI 80.2 kBtu/ft²
- QPL_4732_Forest Hills Community Library· 21,950 sq ft · EUI 78.6 kBtu/ft²
- QPL_11593_Hunters Point Community Library· 21,800 sq ft · EUI 141.3 kBtu/ft²
- BPL_242_Flatbush Branch Library and Learning Center· 21,790 sq ft · EUI 53.8 kBtu/ft²
- NYPL_4636_Belmont Branch Library· 21,267 sq ft · EUI 63.2 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 NYPL_4601_Countee Cullen Branch Library's energy grade?
NYPL_4601_Countee Cullen Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 230.7 kBtu/ft².
How much energy does NYPL_4601_Countee Cullen Branch Library use?
Its 2024 site energy-use intensity was 230.7 kBtu/ft² (329.3 kBtu/ft² source) across 23,345 sq ft, including 340,612 kWh of electricity and 42,229 therms of natural gas.
What are NYPL_4601_Countee Cullen Branch Library's carbon emissions?
NYPL_4601_Countee Cullen Branch Library reported 358 tCO₂e of greenhouse-gas emissions (15.3 kgCO₂e/ft²) for 2024.
Where is NYPL_4601_Countee Cullen Branch Library?
NYPL_4601_Countee Cullen Branch Library is at 104 West 136th St, in New York City, New York 10030. Its coordinates are 40.81500, -73.94092 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is NYPL_4601_Countee Cullen Branch Library and when was it built?
NYPL_4601_Countee Cullen Branch Library has 23,345 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1941 as its year built. It is classed as library.
Is NYPL_4601_Countee Cullen 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_4601_Countee Cullen Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/nypl-4601-countee-cullen-branch-library-795411ff (data as of October 2, 2026).