900 West End Avenue
Multifamily Housing in New York City, NY · 10025
At a glance
900 West End Avenue is a 172,176-square-foot multifamily housing building in New York City, New York, built in 1927. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 95 out of 100 (grade A), a site energy-use intensity of 49.8 kBtu/ft² and 569 tCO₂e of greenhouse-gas emissions. That score is higher than 83% 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 | 95 (band A) |
| Site EUI | 49.8 kBtu/ft² |
| Source EUI | 71.0 kBtu/ft² |
| GHG emissions | 569 tCO₂e |
| GHG intensity | 3.3 kgCO₂e/ft² |
| Electricity | 538,030 kWh |
| Natural gas | 67,431 therms |
| Gross floor area | 172,176 sq ft |
| Source record | nyc:6710341:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 95 | -1 | 49.8 kBtu/ft² | 569 tCO₂e |
| 2023 | 96 | ±0 | 46.7 kBtu/ft² | 532 tCO₂e |
| 2022 | 96 | 51.7 kBtu/ft² | 535 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
- 900 West End Avenue
- City
- New York City
- State
- New York
- ZIP
- 10025
- Coordinates
- 40.80025, -73.96906
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 900 West End Avenue 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. 900 West End Avenue's ENERGY STAR score of 95 compares with an average of 63 across the 22,829 that report a score; it scores higher than 83% of them and lower than 16%. Its site EUI of 49.8 kBtu/ft² is about 34% below 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 3.3 kgCO₂e/ft² is about 36% below the group average of 5.2 kgCO₂e/ft².
At 172,176 sq ft, it is about 71% above the average floor area of 100,951 sq ft for those buildings. It was built in 1927, 25 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 900 West End Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 900 West End Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 96 in 2022 to 95 in 2024 (-1 points); its best year on file was 2022, at 96. Site EUI moved from 51.7 kBtu/ft² (2022) to 49.8 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 535 tCO₂e to 569 tCO₂e over the same span (up 6%).
What does an ENERGY STAR score of 95 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 95 means the building performs better than about 95% of its national peers. BuildingCensus bands the score into report-card grades; 95 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 900 West End Avenue's 49.8 kBtu/ft² across 172,176 sq ft works out to about 8.6 billion Btu (2,513 MWh-equivalent) in 2024. Its source EUI of 71.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 538,030 kWh of electricity and 67,431 therms of natural gas for the year.
Which law requires 900 West End Avenue to report its energy use?
900 West End Avenue 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:6710341:2024). 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
- DEPM 1314 - 10801 Seaview Ave· 172,174 sq ft · score 97 (A)
- Halstead: 40-50 E 10th St.· 172,159 sq ft · score 22 (D)
- 345 East 73rd St Owners Corp (345 East 73rd Street)· 172,130 sq ft · score 11 (D)
- 127 West 43 Street· 172,065 sq ft · score 18 (D)
- 1 Flatbush Avenue· 172,023 sq ft · score 88 (A)
- 301 West 108th Street (Parent Property)· 172,017 sq ft · score 88 (A)
- 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 900 West End Avenue's energy grade?
900 West End Avenue scores 95 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 900 West End Avenue use?
Its 2024 site energy-use intensity was 49.8 kBtu/ft² (71.0 kBtu/ft² source) across 172,176 sq ft, including 538,030 kWh of electricity and 67,431 therms of natural gas.
What are 900 West End Avenue's carbon emissions?
900 West End Avenue reported 569 tCO₂e of greenhouse-gas emissions (3.3 kgCO₂e/ft²) for 2024.
Where is 900 West End Avenue?
900 West End Avenue is in New York City, New York 10025. Its coordinates are 40.80025, -73.96906 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 900 West End Avenue and when was it built?
900 West End Avenue has 172,176 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1927 as its year built. It is classed as multifamily housing.
Is 900 West End Avenue 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, “900 West End Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/900-west-end-avenue-97bfb4e0 (data as of October 2, 2026).