45-18 COURT SQUARE
Office in New York City, NY · 11101
At a glance
45-18 COURT SQUARE is a 213,104-square-foot office building in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 128.9 kBtu/ft² and 2,516 tCO₂e of greenhouse-gas emissions. That score is higher than 6% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 128.9 kBtu/ft² |
| Source EUI | 275.4 kBtu/ft² |
| GHG emissions | 2,516 tCO₂e |
| GHG intensity | 11.8 kgCO₂e/ft² |
| Electricity | 4,998,931 kWh |
| Natural gas | 104,032 therms |
| Gross floor area | 213,104 sq ft |
| Source record | nyc:60192592:2024 |
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 SQUARE
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.74573, -73.94352
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 45-18 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. 45-18 COURT SQUARE's ENERGY STAR score of 23 compares with an average of 72 across the 2,519 that report a score; it scores higher than 6% of them and lower than 94%. Its site EUI of 128.9 kBtu/ft² is about twice the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 11.8 kgCO₂e/ft² is about twice the group average of 5.8 kgCO₂e/ft².
At 213,104 sq ft, it is roughly in line with the average floor area of 205,440 sq ft for those buildings. It was built in 1920, 20 years earlier 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.
What does an ENERGY STAR score of 23 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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 SQUARE's 128.9 kBtu/ft² across 213,104 sq ft works out to about 27.5 billion Btu (8,050 MWh-equivalent) in 2024. Its source EUI of 275.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,998,931 kWh of electricity and 104,032 therms of natural gas for the year.
Which law requires 45-18 COURT SQUARE to report its energy use?
45-18 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:60192592:2024). 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
- DCAS_1012_Manhattan Surrogate's Court· 212,500 sq ft · score 94 (A)
- Bernstein Real Estate : 158 West 28th St· 211,445 sq ft
- 95 Morton Street· 211,107 sq ft · score 70 (B)
- CW Glorious Sun 505 Park Avenue· 210,756 sq ft · score 90 (A)
- 211 East 43rd Street (209 E 43 ST)· 210,324 sq ft · score 88 (A)
- Test Tenant Office Space· 210,000 sq ft
- 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 45-18 COURT SQUARE's energy grade?
45-18 COURT SQUARE scores 23 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 45-18 COURT SQUARE use?
Its 2024 site energy-use intensity was 128.9 kBtu/ft² (275.4 kBtu/ft² source) across 213,104 sq ft, including 4,998,931 kWh of electricity and 104,032 therms of natural gas.
What are 45-18 COURT SQUARE's carbon emissions?
45-18 COURT SQUARE reported 2,516 tCO₂e of greenhouse-gas emissions (11.8 kgCO₂e/ft²) for 2024.
Where is 45-18 COURT SQUARE?
45-18 COURT SQUARE is in New York City, New York 11101. Its coordinates are 40.74573, -73.94352 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 45-18 COURT SQUARE and when was it built?
45-18 COURT SQUARE has 213,104 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as office.
Is 45-18 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, “45-18 COURT SQUARE, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/45-18-court-square-2f805be5 (data as of October 2, 2026).