165 E 66th St NY Residential Owner LLC
Multifamily Housing in New York City, NY · 165 East 66th Street · 10065
At a glance
165 E 66th St NY Residential Owner LLC is a 269,310-square-foot multifamily housing building at 165 East 66th Street in New York City, New York, built in 1957. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 36 out of 100 (grade D), a site energy-use intensity of 69.6 kBtu/ft² and 1,519 tCO₂e of greenhouse-gas emissions. That score is higher than 21% 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 | 36 (band D) |
| Site EUI | 69.6 kBtu/ft² |
| Source EUI | 122.4 kBtu/ft² |
| GHG emissions | 1,519 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 1,916,792 kWh |
| Natural gas | 2,469 therms |
| Gross floor area | 269,310 sq ft |
| Source record | nyc:9984613:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 36 | -13 | 69.6 kBtu/ft² | 1,519 tCO₂e |
| 2022 | 49 | 67.4 kBtu/ft² | 1,309 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
- 165 East 66th Street
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76627, -73.96419
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 165 E 66th St NY Residential Owner LLC 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. 165 E 66th St NY Residential Owner LLC's ENERGY STAR score of 36 compares with an average of 63 across the 22,829 that report a score; it scores higher than 21% of them and lower than 78%. Its site EUI of 69.6 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 5.6 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 269,310 sq ft, it is about 167% above the average floor area of 100,951 sq ft for those buildings. It was built in 1957, 5 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 165 E 66th St NY Residential Owner LLC's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 165 E 66th St NY Residential Owner LLC, covering report years 2022–2023. Its ENERGY STAR score went from 49 in 2022 to 36 in 2023 (-13 points); its best year on file was 2022, at 49. Site EUI moved from 67.4 kBtu/ft² (2022) to 69.6 kBtu/ft² (2023), an 3% increase. Reported emissions went from 1,309 tCO₂e to 1,519 tCO₂e over the same span (up 16%).
What does an ENERGY STAR score of 36 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 36 means the building performs better than about 36% of its national peers. BuildingCensus bands the score into report-card grades; 36 falls in band D — lowest band (1–54). It sits 39 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. 165 E 66th St NY Residential Owner LLC's 69.6 kBtu/ft² across 269,310 sq ft works out to about 18.7 billion Btu (5,493 MWh-equivalent) in 2023. Its source EUI of 122.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,916,792 kWh of electricity and 2,469 therms of natural gas for the year.
Which law requires 165 E 66th St NY Residential Owner LLC to report its energy use?
165 E 66th St NY Residential Owner LLC 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:9984613:2023). 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.
More multifamily housing buildings in New York City
- Grand Two at Sky View Parc· 269,306 sq ft · score 100 (A)
- Park Towers Tenants Corp (201 East 17th Street)· 269,220 sq ft · score 76 (B)
- Orsid - 25 East 86th Street· 269,167 sq ft · score 57 (C)
- 247 West 87th Street· 268,989 sq ft · score 25 (D)
- 1601 Surf Ave· 268,964 sq ft · score 100 (A)
- 1926/1939 - Campus· 268,936 sq ft · score 82 (B)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is 165 E 66th St NY Residential Owner LLC's energy grade?
165 E 66th St NY Residential Owner LLC scores 36 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 165 E 66th St NY Residential Owner LLC use?
Its 2023 site energy-use intensity was 69.6 kBtu/ft² (122.4 kBtu/ft² source) across 269,310 sq ft, including 1,916,792 kWh of electricity and 2,469 therms of natural gas.
What are 165 E 66th St NY Residential Owner LLC's carbon emissions?
165 E 66th St NY Residential Owner LLC reported 1,519 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2023.
Where is 165 E 66th St NY Residential Owner LLC?
165 E 66th St NY Residential Owner LLC is at 165 East 66th Street, in New York City, New York 10065. Its coordinates are 40.76627, -73.96419 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 165 E 66th St NY Residential Owner LLC and when was it built?
165 E 66th St NY Residential Owner LLC has 269,310 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1957 as its year built. It is classed as multifamily housing.
Is 165 E 66th St NY Residential Owner LLC 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, “165 E 66th St NY Residential Owner LLC, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/165-e-66th-st-ny-residential-owner-llc-6b8fb378 (data as of October 2, 2026).