One Court Square - 1 Court Square
Office in New York City, NY · 1 Court Square · 11101
At a glance
One Court Square - 1 Court Square is a 1,358,657-square-foot office building in New York City, New York, built in 1985. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 39.4 kBtu/ft² and 6,161 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 39.4 kBtu/ft² |
| Source EUI | 110.3 kBtu/ft² |
| GHG emissions | 6,161 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 15,689,517 kWh |
| Natural gas | 0 therms |
| Water use | 9,500 kgal |
| Gross floor area | 1,358,657 sq ft |
| Source record | nyc:1409171:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 39.4 kBtu/ft² | 6,161 tCO₂e | |
| 2023 | — | 35.1 kBtu/ft² | 5,184 tCO₂e | |
| 2022 | — | 33.5 kBtu/ft² | 3,965 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
- 1 Court Square
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.74670, -73.94348
Within ~1 km
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- The JACX (28-07 Jackson Ave)score 51
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See also: most efficient in New York City · biggest emitters
How does One Court Square - 1 Court Square compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 39.4 kBtu/ft² is about 39% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.5 kgCO₂e/ft² is about 22% below the group average of 5.8 kgCO₂e/ft².
At 1,358,657 sq ft, it is about 561% above the average floor area of 205,440 sq ft for those buildings. It was built in 1985, 45 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has One Court Square - 1 Court Square's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for One Court Square - 1 Court Square, covering report years 2022–2024. Site EUI moved from 33.5 kBtu/ft² (2022) to 39.4 kBtu/ft² (2024), an 18% increase. Reported emissions went from 3,965 tCO₂e to 6,161 tCO₂e over the same span (up 55%).
What does a site EUI of 39.4 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. One Court Square - 1 Court Square's 39.4 kBtu/ft² across 1,358,657 sq ft works out to about 53.5 billion Btu (15,688 MWh-equivalent) in 2024. Its source EUI of 110.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 15,689,517 kWh of electricity, 0 therms of natural gas and 9,500 thousand gallons of water for the year.
Which law requires One Court Square - 1 Court Square to report its energy use?
One Court Square - 1 Court Square 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:1409171:2024). 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 office buildings in New York City
- One Madison Avenue· 1,339,997 sq ft · EUI 47.3 kBtu/ft²
- 660 5th Avenue (656 5 AVENUE)· 1,329,229 sq ft · score 78 (B)
- 420 Lexington Avenue· 1,325,523 sq ft · score 78 (B)
- 3 Bryant Park· 1,296,237 sq ft · score 26 (D)
- Chrysler Building· 1,285,379 sq ft · score 85 (A)
- 230 Park Avenue· 1,280,745 sq ft · score 83 (B)
- Office buildings in New York City· 3,384 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 One Court Square - 1 Court Square's energy grade?
One Court Square - 1 Court Square did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 39.4 kBtu/ft².
How much energy does One Court Square - 1 Court Square use?
Its 2024 site energy-use intensity was 39.4 kBtu/ft² (110.3 kBtu/ft² source) across 1,358,657 sq ft, including 15,689,517 kWh of electricity and 0 therms of natural gas.
What are One Court Square - 1 Court Square's carbon emissions?
One Court Square - 1 Court Square reported 6,161 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is One Court Square - 1 Court Square?
One Court Square - 1 Court Square is in New York City, New York 11101. Its coordinates are 40.74670, -73.94348 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is One Court Square - 1 Court Square and when was it built?
One Court Square - 1 Court Square has 1,358,657 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as office.
Is One Court Square - 1 Court Square 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, “One Court Square - 1 Court Square, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/one-court-square-1-court-square-a5b7b0ea (data as of October 2, 2026).