UNION AVENUE-EAST 166TH STREET
Multifamily Housing in New York City, NY · 1135 PROSPECT AVENUE · 10459
At a glance
UNION AVENUE-EAST 166TH STREET is a 115,400-square-foot multifamily housing building at 1135 PROSPECT AVENUE in New York City, New York, built in 1988.
Local Law 84 (LL84) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 605,014 kWh |
| Gross floor area | 115,400 sq ft |
| Source record | nyc:2831226:2022 |
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
- 1135 PROSPECT AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10459
- Coordinates
- 40.82677, -73.89868
Within ~1 km
Nearby benchmarked buildings
- FORESTscore 6
Multifamily Housing · 1,294,650 sq ft
- 975 - 1000 Simpson Stscore —
Multifamily Housing · 783,108 sq ft
- MCKINLEYscore 99
Multifamily Housing · 641,247 sq ft
Multifamily Housing · 344,470 sq ft
Other - Specialty Hospital · 331,624 sq ft
Multifamily Housing · 303,967 sq ft
See also: most efficient in New York City · biggest emitters
How does UNION AVENUE-EAST 166TH 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.
At 115,400 sq ft, it is about 14% above the average floor area of 100,951 sq ft for those buildings. It was built in 1988, 36 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.
Which law requires UNION AVENUE-EAST 166TH STREET to report its energy use?
UNION AVENUE-EAST 166TH 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 2022 disclosure (source record nyc:2831226:2022). 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
- Park Hill Owners Inc.· 115,396 sq ft · score 92 (A)
- Parc Coliseum (228) - 19183· 115,384 sq ft · score 85 (A)
- 435-441 Ocean Avenue· 115,374 sq ft · score 66 (C)
- Century - 505 West End Avenue· 115,360 sq ft · score 69 (C)
- Building A - 180 East 156th Street, Bronx, NY· 115,332 sq ft
- Orsid -164-20 Highland Ave· 115,312 sq ft · score 84 (B)
- 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 UNION AVENUE-EAST 166TH STREET's energy grade?
UNION AVENUE-EAST 166TH STREET did not report an ENERGY STAR score in its 2022 disclosure.
How much energy does UNION AVENUE-EAST 166TH STREET use?
No energy-use intensity was reported for 2022.
What are UNION AVENUE-EAST 166TH STREET's carbon emissions?
No greenhouse-gas emissions figure was reported for 2022.
Where is UNION AVENUE-EAST 166TH STREET?
UNION AVENUE-EAST 166TH STREET is at 1135 PROSPECT AVENUE, in New York City, New York 10459. Its coordinates are 40.82677, -73.89868 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is UNION AVENUE-EAST 166TH STREET and when was it built?
UNION AVENUE-EAST 166TH STREET has 115,400 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1988 as its year built. It is classed as multifamily housing.
Is UNION AVENUE-EAST 166TH STREET covered by Local Law 84 (LL84)?
Yes — it appears in the 2022 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, “UNION AVENUE-EAST 166TH STREET, New York City, New York — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/union-avenue-east-166th-street-4e026010 (data as of October 2, 2026).