40 East 52nd Street LP
Office in New York City, NY · 40 East 52nd Street · 10022
At a glance
40 East 52nd Street LP is a 375,225-square-foot office building in New York City, New York, built in 1986. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 12.5 kBtu/ft² and 466 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 12.5 kBtu/ft² |
| Source EUI | 28.5 kBtu/ft² |
| GHG emissions | 466 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 923,498 kWh |
| Natural gas | 0 therms |
| Gross floor area | 375,225 sq ft |
| Source record | nyc:1426638:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 12.5 kBtu/ft² | 466 tCO₂e | |
| 2023 | — | 26.7 kBtu/ft² | 983 tCO₂e | |
| 2022 | 74 | 64.9 kBtu/ft² | 1,941 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
- 40 East 52nd Street
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75881, -73.97399
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 40 East 52nd Street LP 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 12.5 kBtu/ft² is about 81% 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 1.2 kgCO₂e/ft² is about 79% below the group average of 5.8 kgCO₂e/ft².
At 375,225 sq ft, it is about 83% above the average floor area of 205,440 sq ft for those buildings. It was built in 1986, 46 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 40 East 52nd Street LP's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 40 East 52nd Street LP, covering report years 2022–2024. Site EUI moved from 64.9 kBtu/ft² (2022) to 12.5 kBtu/ft² (2024), a 81% decrease. Reported emissions went from 1,941 tCO₂e to 466 tCO₂e over the same span (down 76%).
What does a site EUI of 12.5 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. 40 East 52nd Street LP's 12.5 kBtu/ft² across 375,225 sq ft works out to about 4.7 billion Btu (1,375 MWh-equivalent) in 2024. Its source EUI of 28.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 923,498 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 40 East 52nd Street LP to report its energy use?
40 East 52nd Street LP 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:1426638:2024). 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
- 10 East 53rd Street· 374,197 sq ft · score 36 (D)
- 580 Fifth Avenue· 373,005 sq ft · score 65 (C)
- URA Group - 568 Broadway· 372,895 sq ft · score 61 (C)
- 1201 Lafayette Avenue and 938 Garrison Avenue (Parent Property)· 372,352 sq ft · EUI 52.5 kBtu/ft²
- 1441 South Avenue· 372,111 sq ft · score 98 (A)
- 1328 Broadway· 371,478 sq ft · EUI 47.3 kBtu/ft²
- 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 40 East 52nd Street LP's energy grade?
40 East 52nd Street LP did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 12.5 kBtu/ft².
How much energy does 40 East 52nd Street LP use?
Its 2024 site energy-use intensity was 12.5 kBtu/ft² (28.5 kBtu/ft² source) across 375,225 sq ft, including 923,498 kWh of electricity and 0 therms of natural gas.
What are 40 East 52nd Street LP's carbon emissions?
40 East 52nd Street LP reported 466 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 2024.
Where is 40 East 52nd Street LP?
40 East 52nd Street LP is in New York City, New York 10022. Its coordinates are 40.75881, -73.97399 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 40 East 52nd Street LP and when was it built?
40 East 52nd Street LP has 375,225 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1986 as its year built. It is classed as office.
Is 40 East 52nd Street LP 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, “40 East 52nd Street LP, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/40-east-52nd-street-lp-e621faa0 (data as of October 2, 2026).