NYPL_4631_Washington Heights Branch Library
Library in New York City, NY · 1000 St. Nicholas Ave · 10032
At a glance
NYPL_4631_Washington Heights Branch Library is a 17,274-square-foot library at 1000 St. Nicholas Ave in New York City, New York, built in 1914. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 78.7 kBtu/ft² and 117 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 78.7 kBtu/ft² |
| Source EUI | 155.3 kBtu/ft² |
| GHG emissions | 117 tCO₂e |
| GHG intensity | 6.8 kgCO₂e/ft² |
| Electricity | 210,288 kWh |
| Natural gas | 6,422 therms |
| Water use | 133 kgal |
| Gross floor area | 17,274 sq ft |
| Source record | nyc:21355493:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 78.7 kBtu/ft² | 117 tCO₂e | |
| 2023 | — | 59.7 kBtu/ft² | 79 tCO₂e | |
| 2022 | — | 85.0 kBtu/ft² | 93 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1000 St. Nicholas Ave
- City
- New York City
- State
- New York
- ZIP
- 10032
- Coordinates
- 40.83456, -73.94001
Within ~1 km
Nearby benchmarked buildings
- POLO GROUNDS TOWERSscore 11
Multifamily Housing · 1,754,703 sq ft
Hospital (General Medical & Surgical) · 1,355,034 sq ft
- RANGELscore 10
Multifamily Housing · 834,375 sq ft
- HARLEM RIVER II/HARLEM RIVERscore 100
Multifamily Housing · 625,250 sq ft
Multifamily Housing · 625,250 sq ft
- HARLEM RIVERscore 30
Multifamily Housing · 515,550 sq ft
See also: most efficient in New York City · biggest emitters
How does NYPL_4631_Washington Heights 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 78.7 kBtu/ft² is roughly in line with the average of 77.5 kBtu/ft². Its emissions intensity of 6.8 kgCO₂e/ft² is roughly in line with the group average of 6.5 kgCO₂e/ft².
At 17,274 sq ft, it is about 69% below the average floor area of 55,576 sq ft for those buildings. It was built in 1914, 33 years earlier than the group's average year built (1947).
How has NYPL_4631_Washington Heights Branch Library's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for NYPL_4631_Washington Heights Branch Library, covering report years 2022–2024. Site EUI moved from 85.0 kBtu/ft² (2022) to 78.7 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 93 tCO₂e to 117 tCO₂e over the same span (up 26%).
What does a site EUI of 78.7 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_4631_Washington Heights Branch Library's 78.7 kBtu/ft² across 17,274 sq ft works out to about 1.4 billion Btu (398 MWh-equivalent) in 2024. Its source EUI of 155.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 210,288 kWh of electricity, 6,422 therms of natural gas and 133 thousand gallons of water for the year.
Which law requires NYPL_4631_Washington Heights Branch Library to report its energy use?
NYPL_4631_Washington Heights 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:21355493:2024). 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_4644_Grand Concourse Branch Library· 16,874 sq ft · EUI 121.5 kBtu/ft²
- NYPL_4664_Woodstock Branch Library· 16,524 sq ft · EUI 88.8 kBtu/ft²
- BPL_222_Bay Ridge Branch Library· 16,506 sq ft · EUI 104.7 kBtu/ft²
- NYPL_4643_Francis Martin Branch Library· 16,486 sq ft · EUI 95.3 kBtu/ft²
- BPL_241_Eastern Parkway Branch Library and Learning Center· 16,024 sq ft · EUI 80.9 kBtu/ft²
- BPL_263_Pacific Branch Library· 15,758 sq ft · EUI 94.3 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_4631_Washington Heights Branch Library's energy grade?
NYPL_4631_Washington Heights Branch Library did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 78.7 kBtu/ft².
How much energy does NYPL_4631_Washington Heights Branch Library use?
Its 2024 site energy-use intensity was 78.7 kBtu/ft² (155.3 kBtu/ft² source) across 17,274 sq ft, including 210,288 kWh of electricity and 6,422 therms of natural gas.
What are NYPL_4631_Washington Heights Branch Library's carbon emissions?
NYPL_4631_Washington Heights Branch Library reported 117 tCO₂e of greenhouse-gas emissions (6.8 kgCO₂e/ft²) for 2024.
Where is NYPL_4631_Washington Heights Branch Library?
NYPL_4631_Washington Heights Branch Library is at 1000 St. Nicholas Ave, in New York City, New York 10032. Its coordinates are 40.83456, -73.94001 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is NYPL_4631_Washington Heights Branch Library and when was it built?
NYPL_4631_Washington Heights Branch Library has 17,274 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1914 as its year built. It is classed as library.
Is NYPL_4631_Washington Heights 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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_4631_Washington Heights Branch Library, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/nypl-4631-washington-heights-branch-library-6cfff22f (data as of October 2, 2026).