150 West End Ave, 11235
Multifamily Housing in New York City, NY · 150 West End Ave · 11235
At a glance
150 West End Ave, 11235 is a 81,900-square-foot multifamily housing building in New York City, New York, built in 1951. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 65 out of 100 (grade C), a site energy-use intensity of 79.2 kBtu/ft² and 391 tCO₂e of greenhouse-gas emissions. That score is higher than 45% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 65 (band C) |
| Site EUI | 79.2 kBtu/ft² |
| Source EUI | 99.1 kBtu/ft² |
| GHG emissions | 391 tCO₂e |
| GHG intensity | 4.8 kgCO₂e/ft² |
| Electricity | 218,319 kWh |
| Natural gas | 57,420 therms |
| Gross floor area | 81,900 sq ft |
| Source record | nyc:4403952:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 65 | -8 | 79.2 kBtu/ft² | 391 tCO₂e |
| 2023 | 73 | -13 | 71.3 kBtu/ft² | 353 tCO₂e |
| 2022 | 86 | 66.0 kBtu/ft² | 311 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
- 150 West End Ave
- City
- New York City
- State
- New York
- ZIP
- 11235
- Coordinates
- 40.57822, -73.95315
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 150 West End Ave, 11235 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. 150 West End Ave, 11235's ENERGY STAR score of 65 compares with an average of 63 across the 22,829 that report a score; it scores higher than 45% of them and lower than 54%. Its site EUI of 79.2 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 4.8 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 81,900 sq ft, it is about 19% below the average floor area of 100,951 sq ft for those buildings. Its 1951 construction date is close to 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 150 West End Ave, 11235's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 150 West End Ave, 11235, covering report years 2022–2024. Its ENERGY STAR score went from 86 in 2022 to 65 in 2024 (-21 points); its best year on file was 2022, at 86. Site EUI moved from 66.0 kBtu/ft² (2022) to 79.2 kBtu/ft² (2024), an 20% increase. Reported emissions went from 311 tCO₂e to 391 tCO₂e over the same span (up 26%).
What does an ENERGY STAR score of 65 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 65 means the building performs better than about 65% of its national peers. BuildingCensus bands the score into report-card grades; 65 falls in band C — below median (55–69). It sits 10 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. 150 West End Ave, 11235's 79.2 kBtu/ft² across 81,900 sq ft works out to about 6.5 billion Btu (1,901 MWh-equivalent) in 2024. Its source EUI of 99.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 218,319 kWh of electricity and 57,420 therms of natural gas for the year.
Which law requires 150 West End Ave, 11235 to report its energy use?
150 West End Ave, 11235 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:4403952:2024). 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 multifamily housing buildings in New York City
- Heritage Realty: 336 Fort Washington Ave· 81,894 sq ft · score 74 (B)
- 1780 West 3rd Street· 81,888 sq ft · score 59 (C)
- 101 West 78th Street (101 West 78th Street)· 81,865 sq ft · score 68 (C)
- Pearl Spiegel: 931-955 Coney Island Ave· 81,860 sq ft · score 66 (C)
- Caprice: 310 E 65th Street· 81,855 sq ft · score 88 (A)
- Andrews Building::75 GRAND STREET· 81,846 sq ft · score 69 (C)
- Multifamily Housing buildings in New York City· 33,022 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 150 West End Ave, 11235's energy grade?
150 West End Ave, 11235 scores 65 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 150 West End Ave, 11235 use?
Its 2024 site energy-use intensity was 79.2 kBtu/ft² (99.1 kBtu/ft² source) across 81,900 sq ft, including 218,319 kWh of electricity and 57,420 therms of natural gas.
What are 150 West End Ave, 11235's carbon emissions?
150 West End Ave, 11235 reported 391 tCO₂e of greenhouse-gas emissions (4.8 kgCO₂e/ft²) for 2024.
Where is 150 West End Ave, 11235?
150 West End Ave, 11235 is in New York City, New York 11235. Its coordinates are 40.57822, -73.95315 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 150 West End Ave, 11235 and when was it built?
150 West End Ave, 11235 has 81,900 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1951 as its year built. It is classed as multifamily housing.
Is 150 West End Ave, 11235 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, “150 West End Ave, 11235, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/150-west-end-ave-11235-726a987a (data as of October 2, 2026).