AKAM - 140 West End Avenue
Multifamily Housing in New York City, NY · 140 West End Avenue · 10023
At a glance
AKAM - 140 West End Avenue is a 651,318-square-foot multifamily housing building in New York City, New York, built in 1964. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 63 out of 100 (grade C), a site energy-use intensity of 62.1 kBtu/ft² and 3,262 tCO₂e of greenhouse-gas emissions. That score is higher than 43% 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 | 63 (band C) |
| Site EUI | 62.1 kBtu/ft² |
| Source EUI | 104.4 kBtu/ft² |
| GHG emissions | 3,262 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 3,595,209 kWh |
| Natural gas | 14,517 therms |
| Gross floor area | 651,318 sq ft |
| Source record | nyc:4945652:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 63 | 62.1 kBtu/ft² | 3,262 tCO₂e | |
| 2023 | — | 60.9 kBtu/ft² | 3,143 tCO₂e | |
| 2022 | 72 | 59.3 kBtu/ft² | 2,895 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 140 West End Avenue
- City
- New York City
- State
- New York
- ZIP
- 10023
- Coordinates
- 40.77608, -73.98718
Within ~1 km
Nearby benchmarked buildings
- TEST Time Warner Centerscore —
Mixed Use Property · 2,797,249 sq ft
Mixed Use Property · 2,797,249 sq ft
Mixed Use Property · 2,797,249 sq ft
Mixed Use Property · 2,797,249 sq ft
- Deutsche Bank Centerscore —
Mixed Use Property · 2,598,958 sq ft
- CIG > LCPA_CAMPUS ON CMPscore —
Performing Arts · 2,396,331 sq ft
See also: most efficient in New York City · biggest emitters
How does AKAM - 140 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. AKAM - 140 West End Avenue's ENERGY STAR score of 63 compares with an average of 63 across the 22,829 that report a score; it scores higher than 43% of them and lower than 56%. Its site EUI of 62.1 kBtu/ft² is about 17% 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 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 651,318 sq ft, it is about 545% above the average floor area of 100,951 sq ft for those buildings. It was built in 1964, 12 years later 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 AKAM - 140 West End Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for AKAM - 140 West End Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 72 in 2022 to 63 in 2024 (-9 points); its best year on file was 2022, at 72. Site EUI moved from 59.3 kBtu/ft² (2022) to 62.1 kBtu/ft² (2024), an 5% increase. Reported emissions went from 2,895 tCO₂e to 3,262 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 63 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 63 means the building performs better than about 63% of its national peers. BuildingCensus bands the score into report-card grades; 63 falls in band C — below median (55–69). It sits 12 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. AKAM - 140 West End Avenue's 62.1 kBtu/ft² across 651,318 sq ft works out to about 40.4 billion Btu (11,854 MWh-equivalent) in 2024. Its source EUI of 104.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 3,595,209 kWh of electricity and 14,517 therms of natural gas for the year.
Which law requires AKAM - 140 West End Avenue to report its energy use?
AKAM - 140 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:4945652:2024). 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
- 185 East 85th Street· 651,162 sq ft · score 48 (D)
- AKAM - 205 West End Avenue· 650,325 sq ft · score 68 (C)
- 205 West End Avenue· 650,325 sq ft
- 156-20 Riverside Drive West - 42067· 650,000 sq ft · score 63 (C)
- Kent Village Apartments· 649,758 sq ft · score 99 (A)
- 75 Wall Street (75 Wall Street)· 648,988 sq ft
- 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 AKAM - 140 West End Avenue's energy grade?
AKAM - 140 West End Avenue scores 63 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 AKAM - 140 West End Avenue use?
Its 2024 site energy-use intensity was 62.1 kBtu/ft² (104.4 kBtu/ft² source) across 651,318 sq ft, including 3,595,209 kWh of electricity and 14,517 therms of natural gas.
What are AKAM - 140 West End Avenue's carbon emissions?
AKAM - 140 West End Avenue reported 3,262 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is AKAM - 140 West End Avenue?
AKAM - 140 West End Avenue is in New York City, New York 10023. Its coordinates are 40.77608, -73.98718 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is AKAM - 140 West End Avenue and when was it built?
AKAM - 140 West End Avenue has 651,318 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1964 as its year built. It is classed as multifamily housing.
Is AKAM - 140 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “AKAM - 140 West End Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/akam-140-west-end-avenue-5b3cca5e (data as of October 2, 2026).