55 East 86th Street Condo. Assn.
Multifamily Housing in New York City, NY · 55 East 86th Street · 10028
At a glance
55 East 86th Street Condo. Assn. is a 113,227-square-foot multifamily housing building in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 76 out of 100 (grade B), a site energy-use intensity of 65.0 kBtu/ft² and 491 tCO₂e of greenhouse-gas emissions. That score is higher than 58% 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 | 76 (band B) |
| Site EUI | 65.0 kBtu/ft² |
| Source EUI | 93.2 kBtu/ft² |
| GHG emissions | 491 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 472,815 kWh |
| Natural gas | 57,433 therms |
| Water use | 3,277 kgal |
| Gross floor area | 113,227 sq ft |
| Source record | nyc:2719874:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 76 | -14 | 65.0 kBtu/ft² | 491 tCO₂e |
| 2023 | 90 | +10 | 49.9 kBtu/ft² | 394 tCO₂e |
| 2022 | 80 | 65.9 kBtu/ft² | 440 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
- 55 East 86th Street
- City
- New York City
- State
- New York
- ZIP
- 10028
- Coordinates
- 40.78064, -73.95828
Within ~1 km
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- NH Lenox Hill Hospital Campusscore 64
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See also: most efficient in New York City · biggest emitters
How does 55 East 86th Street Condo. Assn. 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. 55 East 86th Street Condo. Assn.'s ENERGY STAR score of 76 compares with an average of 63 across the 22,829 that report a score; it scores higher than 58% of them and lower than 40%. Its site EUI of 65.0 kBtu/ft² is about 13% 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 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 113,227 sq ft, it is about 12% above the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 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 55 East 86th Street Condo. Assn.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 55 East 86th Street Condo. Assn., covering report years 2022–2024. Its ENERGY STAR score went from 80 in 2022 to 76 in 2024 (-4 points); its best year on file was 2023, at 90. Site EUI moved from 65.9 kBtu/ft² (2022) to 65.0 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 440 tCO₂e to 491 tCO₂e over the same span (up 12%).
What does an ENERGY STAR score of 76 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 76 means the building performs better than about 76% of its national peers. BuildingCensus bands the score into report-card grades; 76 falls in band B — above median (70–84). 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. 55 East 86th Street Condo. Assn.'s 65.0 kBtu/ft² across 113,227 sq ft works out to about 7.4 billion Btu (2,157 MWh-equivalent) in 2024. Its source EUI of 93.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 472,815 kWh of electricity, 57,433 therms of natural gas and 3,277 thousand gallons of water for the year.
Which law requires 55 East 86th Street Condo. Assn. to report its energy use?
55 East 86th Street Condo. Assn. 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:2719874:2024). 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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- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is 55 East 86th Street Condo. Assn.'s energy grade?
55 East 86th Street Condo. Assn. scores 76 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 55 East 86th Street Condo. Assn. use?
Its 2024 site energy-use intensity was 65.0 kBtu/ft² (93.2 kBtu/ft² source) across 113,227 sq ft, including 472,815 kWh of electricity and 57,433 therms of natural gas.
What are 55 East 86th Street Condo. Assn.'s carbon emissions?
55 East 86th Street Condo. Assn. reported 491 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is 55 East 86th Street Condo. Assn.?
55 East 86th Street Condo. Assn. is in New York City, New York 10028. Its coordinates are 40.78064, -73.95828 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 55 East 86th Street Condo. Assn. and when was it built?
55 East 86th Street Condo. Assn. has 113,227 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.
Is 55 East 86th Street Condo. Assn. 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, “55 East 86th Street Condo. Assn., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/55-east-86th-street-condo-assn-a74973e5 (data as of October 2, 2026).