45-18 Court Street
Laboratory in New York City, NY · 11101
At a glance
45-18 Court Street is a 203,103-square-foot laboratory building in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 135.2 kBtu/ft² and 2,516 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 135.2 kBtu/ft² |
| Source EUI | 288.9 kBtu/ft² |
| GHG emissions | 2,516 tCO₂e |
| GHG intensity | 12.4 kgCO₂e/ft² |
| Electricity | 4,998,934 kWh |
| Natural gas | 104,063 therms |
| Gross floor area | 203,103 sq ft |
| Source record | nyc:10755167:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 135.2 kBtu/ft² | 2,516 tCO₂e | |
| 2023 | — | 62.7 kBtu/ft² | 1,220 tCO₂e | |
| 2022 | — | 54.0 kBtu/ft² | 1,019 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
- 45-18 Court Street
- City
- New York City
- State
- New York
- ZIP
- 11101
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in New York City · biggest emitters
How does 45-18 Court Street compare with other laboratory buildings in New York City?
The latest disclosures cover 90 laboratory buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 135.2 kBtu/ft² is about 67% below the average of 409.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 12.4 kgCO₂e/ft² is about 57% below the group average of 28.8 kgCO₂e/ft².
At 203,103 sq ft, it is about 31% below the average floor area of 293,236 sq ft for those buildings. It was built in 1920, 45 years earlier than the group's average year built (1966). Across all 24 jurisdictions BuildingCensus covers, the 795 laboratory buildings average an ENERGY STAR score of 29 and a site EUI of 231.7 kBtu/ft².
How has 45-18 Court Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 45-18 Court Street, covering report years 2022–2024. Site EUI moved from 54.0 kBtu/ft² (2022) to 135.2 kBtu/ft² (2024), an 150% increase. Reported emissions went from 1,019 tCO₂e to 2,516 tCO₂e over the same span (up 147%).
What does a site EUI of 135.2 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. 45-18 Court Street's 135.2 kBtu/ft² across 203,103 sq ft works out to about 27.5 billion Btu (8,048 MWh-equivalent) in 2024. Its source EUI of 288.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,998,934 kWh of electricity and 104,063 therms of natural gas for the year.
Which law requires 45-18 Court Street to report its energy use?
45-18 Court Street 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:10755167:2024). 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 laboratory buildings in New York City
- South Campus· 202,135 sq ft · EUI 434.8 kBtu/ft²
- Schwartz-Lot 01 (Part of MSKCC - Main Campus / RRL / ZRC)· 198,425 sq ft
- Irving Cancer Research Center· 191,542 sq ft · EUI 475.9 kBtu/ft²
- Rockefeller Research Building (RRB)/Gasser Hall· 189,667 sq ft
- Schemerhorn· 176,659 sq ft
- Atran/Berg· 164,919 sq ft
- Laboratory buildings in New York City· 90 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 45-18 Court Street's energy grade?
45-18 Court Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 135.2 kBtu/ft².
How much energy does 45-18 Court Street use?
Its 2024 site energy-use intensity was 135.2 kBtu/ft² (288.9 kBtu/ft² source) across 203,103 sq ft, including 4,998,934 kWh of electricity and 104,063 therms of natural gas.
What are 45-18 Court Street's carbon emissions?
45-18 Court Street reported 2,516 tCO₂e of greenhouse-gas emissions (12.4 kgCO₂e/ft²) for 2024.
Where is 45-18 Court Street?
45-18 Court Street is in New York City, New York 11101.
How big is 45-18 Court Street and when was it built?
45-18 Court Street has 203,103 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as laboratory.
Is 45-18 Court Street 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, “45-18 Court Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/45-18-court-street-1b8e760b (data as of October 2, 2026).