Allied - 40 East 66th Street
Multifamily Housing in New York City, NY · 40 EAST 66 STREET · 10065
At a glance
Allied - 40 East 66th Street is a 112,722-square-foot multifamily housing building at 40 EAST 66 STREET in New York City, New York, built in 1928. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 48 out of 100 (grade D), a site energy-use intensity of 67.0 kBtu/ft² and 669 tCO₂e of greenhouse-gas emissions. That score is higher than 30% 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 | 48 (band D) |
| Site EUI | 67.0 kBtu/ft² |
| Source EUI | 129.6 kBtu/ft² |
| GHG emissions | 669 tCO₂e |
| GHG intensity | 5.9 kgCO₂e/ft² |
| Electricity | 1,016,716 kWh |
| Natural gas | 1,202 therms |
| Gross floor area | 112,722 sq ft |
| Source record | nyc:6664550:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 48 | +44 | 67.0 kBtu/ft² | 669 tCO₂e |
| 2023 | 4 | -26 | 110.8 kBtu/ft² | 886 tCO₂e |
| 2022 | 30 | 78.5 kBtu/ft² | 577 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 66 STREET
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76780, -73.96784
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Allied - 40 East 66th 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. Allied - 40 East 66th Street's ENERGY STAR score of 48 compares with an average of 63 across the 22,829 that report a score; it scores higher than 30% of them and lower than 69%. Its site EUI of 67.0 kBtu/ft² is about 11% 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 5.9 kgCO₂e/ft² is about 14% above the group average of 5.2 kgCO₂e/ft².
At 112,722 sq ft, it is about 12% above the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 Allied - 40 East 66th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Allied - 40 East 66th Street, covering report years 2022–2024. Its ENERGY STAR score went from 30 in 2022 to 48 in 2024 (+18 points). Site EUI moved from 78.5 kBtu/ft² (2022) to 67.0 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 577 tCO₂e to 669 tCO₂e over the same span (up 16%).
What does an ENERGY STAR score of 48 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 48 means the building performs better than about 48% of its national peers. BuildingCensus bands the score into report-card grades; 48 falls in band D — lowest band (1–54). It sits 27 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. Allied - 40 East 66th Street's 67.0 kBtu/ft² across 112,722 sq ft works out to about 7.6 billion Btu (2,213 MWh-equivalent) in 2024. Its source EUI of 129.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,016,716 kWh of electricity and 1,202 therms of natural gas for the year.
Which law requires Allied - 40 East 66th Street to report its energy use?
Allied - 40 East 66th 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 2024 disclosure (source record nyc:6664550:2024). 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.
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- 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 Allied - 40 East 66th Street's energy grade?
Allied - 40 East 66th Street scores 48 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Allied - 40 East 66th Street use?
Its 2024 site energy-use intensity was 67.0 kBtu/ft² (129.6 kBtu/ft² source) across 112,722 sq ft, including 1,016,716 kWh of electricity and 1,202 therms of natural gas.
What are Allied - 40 East 66th Street's carbon emissions?
Allied - 40 East 66th Street reported 669 tCO₂e of greenhouse-gas emissions (5.9 kgCO₂e/ft²) for 2024.
Where is Allied - 40 East 66th Street?
Allied - 40 East 66th Street is at 40 EAST 66 STREET, in New York City, New York 10065. Its coordinates are 40.76780, -73.96784 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Allied - 40 East 66th Street and when was it built?
Allied - 40 East 66th Street has 112,722 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is Allied - 40 East 66th Street 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, “Allied - 40 East 66th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/allied-40-east-66th-street-59fadcd3 (data as of October 2, 2026).