(3040) - The 40 West 55th Street Condominium (40 West 55th Street)
Multifamily Housing in New York City, NY · 40 West 55th Street · 10019
At a glance
(3040) - The 40 West 55th Street Condominium (40 West 55th Street) is a 50,224-square-foot multifamily housing building in New York City, New York, built in 1925. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 49 out of 100 (grade D), a site energy-use intensity of 69.0 kBtu/ft² and 250 tCO₂e of greenhouse-gas emissions. That score is higher than 31% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 49 (band D) |
| Site EUI | 69.0 kBtu/ft² |
| Source EUI | 113.9 kBtu/ft² |
| GHG emissions | 250 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 348,656 kWh |
| Natural gas | 22,750 therms |
| Water use | 1,641 kgal |
| Gross floor area | 50,224 sq ft |
| Source record | nyc:20413923:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 49 | +2 | 69.0 kBtu/ft² | 250 tCO₂e |
| 2022 | 47 | 76.3 kBtu/ft² | 243 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 West 55th Street
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76224, -73.97630
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does (3040) - The 40 West 55th Street Condominium (40 West 55th Street) compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. (3040) - The 40 West 55th Street Condominium (40 West 55th Street)'s ENERGY STAR score of 49 compares with an average of 63 across the 22,829 that report a score; it scores higher than 31% of them and lower than 68%. Its site EUI of 69.0 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 50,224 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1925, 27 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has (3040) - The 40 West 55th Street Condominium (40 West 55th Street)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for (3040) - The 40 West 55th Street Condominium (40 West 55th Street), covering report years 2022–2023. Its ENERGY STAR score went from 47 in 2022 to 49 in 2023 (+2 points). Site EUI moved from 76.3 kBtu/ft² (2022) to 69.0 kBtu/ft² (2023), a 10% decrease. Reported emissions went from 243 tCO₂e to 250 tCO₂e over the same span (up 3%).
What does an ENERGY STAR score of 49 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 49 means the building performs better than about 49% of its national peers. BuildingCensus bands the score into report-card grades; 49 falls in band D — lowest band (1–54). It sits 26 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. (3040) - The 40 West 55th Street Condominium (40 West 55th Street)'s 69.0 kBtu/ft² across 50,224 sq ft works out to about 3.5 billion Btu (1,016 MWh-equivalent) in 2023. Its source EUI of 113.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 348,656 kWh of electricity, 22,750 therms of natural gas and 1,641 thousand gallons of water for the year.
Which law requires (3040) - The 40 West 55th Street Condominium (40 West 55th Street) to report its energy use?
(3040) - The 40 West 55th Street Condominium (40 West 55th 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 2023 disclosure (source record nyc:20413923:2023). 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.
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Frequently asked questions
What is (3040) - The 40 West 55th Street Condominium (40 West 55th Street)'s energy grade?
(3040) - The 40 West 55th Street Condominium (40 West 55th Street) scores 49 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does (3040) - The 40 West 55th Street Condominium (40 West 55th Street) use?
Its 2023 site energy-use intensity was 69.0 kBtu/ft² (113.9 kBtu/ft² source) across 50,224 sq ft, including 348,656 kWh of electricity and 22,750 therms of natural gas.
What are (3040) - The 40 West 55th Street Condominium (40 West 55th Street)'s carbon emissions?
(3040) - The 40 West 55th Street Condominium (40 West 55th Street) reported 250 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2023.
Where is (3040) - The 40 West 55th Street Condominium (40 West 55th Street)?
(3040) - The 40 West 55th Street Condominium (40 West 55th Street) is in New York City, New York 10019. Its coordinates are 40.76224, -73.97630 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is (3040) - The 40 West 55th Street Condominium (40 West 55th Street) and when was it built?
(3040) - The 40 West 55th Street Condominium (40 West 55th Street) has 50,224 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.
Is (3040) - The 40 West 55th Street Condominium (40 West 55th Street) covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “(3040) - The 40 West 55th Street Condominium (40 West 55th Street), New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/3040-the-40-west-55th-street-condominium-40-west-55th-street-7a918c2b (data as of October 2, 2026).