660 Park Ave
Multifamily Housing in New York City, NY · 660 PARK AVE. · 10065
At a glance
660 Park Ave is a 67,798-square-foot multifamily housing building at 660 PARK AVE. in New York City, New York, built in 1926. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 75.0 kBtu/ft² and 358 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 75.0 kBtu/ft² |
| Source EUI | 115.2 kBtu/ft² |
| GHG emissions | 358 tCO₂e |
| GHG intensity | 5.3 kgCO₂e/ft² |
| Electricity | 413,047 kWh |
| Natural gas | 36,773 therms |
| Gross floor area | 67,798 sq ft |
| Source record | nyc:2669917:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 75.0 kBtu/ft² | 358 tCO₂e | |
| 2023 | — | 75.6 kBtu/ft² | 312 tCO₂e | |
| 2022 | — | 92.6 kBtu/ft² | 339 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
- 660 PARK AVE.
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76810, -73.96633
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 660 Park Ave 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. Its site EUI of 75.0 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.3 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 67,798 sq ft, it is about 33% below the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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 660 Park Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 660 Park Ave, covering report years 2022–2024. Site EUI moved from 92.6 kBtu/ft² (2022) to 75.0 kBtu/ft² (2024), a 19% decrease. Reported emissions went from 339 tCO₂e to 358 tCO₂e over the same span (up 5%).
What does a site EUI of 75.0 kBtu/ft² mean?
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. 660 Park Ave's 75.0 kBtu/ft² across 67,798 sq ft works out to about 5.1 billion Btu (1,490 MWh-equivalent) in 2024. Its source EUI of 115.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 413,047 kWh of electricity and 36,773 therms of natural gas for the year.
Which law requires 660 Park Ave to report its energy use?
660 Park Ave 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:2669917:2024). 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
- 1921 Cortelyou Road· 67,788 sq ft · score 60 (C)
- 1921 Cortelyou Road: 1921 Cortelyou Road· 67,788 sq ft · score 51 (D)
- BRG - 250 Ocean Parkway· 67,776 sq ft · score 76 (B)
- 55 LENOX ROAD· 67,764 sq ft · score 71 (B)
- 1280 Commonwealth Avenue· 67,752 sq ft · score 74 (B)
- 270 Lenox Road· 67,750 sq ft · score 33 (D)
- 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 660 Park Ave's energy grade?
660 Park Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 75.0 kBtu/ft².
How much energy does 660 Park Ave use?
Its 2024 site energy-use intensity was 75.0 kBtu/ft² (115.2 kBtu/ft² source) across 67,798 sq ft, including 413,047 kWh of electricity and 36,773 therms of natural gas.
What are 660 Park Ave's carbon emissions?
660 Park Ave reported 358 tCO₂e of greenhouse-gas emissions (5.3 kgCO₂e/ft²) for 2024.
Where is 660 Park Ave?
660 Park Ave is at 660 PARK AVE., in New York City, New York 10065. Its coordinates are 40.76810, -73.96633 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 660 Park Ave and when was it built?
660 Park Ave has 67,798 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.
Is 660 Park Ave 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, “660 Park Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/660-park-ave-d84c11a9 (data as of October 2, 2026).