800 Park Ave
Multifamily Housing in New York City, NY · 800 PARK AVE. · 10021
At a glance
800 Park Ave is a 73,909-square-foot multifamily housing building at 800 PARK AVE. in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 56.1 kBtu/ft² and 336 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 56.1 kBtu/ft² |
| Source EUI | 94.8 kBtu/ft² |
| GHG emissions | 336 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 372,152 kWh |
| Natural gas | 404 therms |
| Water use | 1,526 kgal |
| Gross floor area | 73,909 sq ft |
| Source record | nyc:2670053:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 56.1 kBtu/ft² | 336 tCO₂e | |
| 2023 | — | 55.3 kBtu/ft² | 326 tCO₂e | |
| 2022 | — | 62.1 kBtu/ft² | 328 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
- 800 PARK AVE.
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.77262, -73.96273
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 800 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 56.1 kBtu/ft² is about 25% 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 4.5 kgCO₂e/ft² is about 13% below the group average of 5.2 kgCO₂e/ft².
At 73,909 sq ft, it is about 27% below the average floor area of 100,951 sq ft for those buildings. It was built in 1925, 27 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 800 Park Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 800 Park Ave, covering report years 2022–2024. Site EUI moved from 62.1 kBtu/ft² (2022) to 56.1 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 328 tCO₂e to 336 tCO₂e over the same span (up 3%).
What does a site EUI of 56.1 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. 800 Park Ave's 56.1 kBtu/ft² across 73,909 sq ft works out to about 4.1 billion Btu (1,215 MWh-equivalent) in 2024. Its source EUI of 94.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 372,152 kWh of electricity, 404 therms of natural gas and 1,526 thousand gallons of water for the year.
Which law requires 800 Park Ave to report its energy use?
800 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:2670053:2024). 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
- 631 Beach 9th Street· 73,905 sq ft · score 69 (C)
- 2302 Washington Avenue AKA 489 East 183rd Street (Parent Property)· 73,905 sq ft · score 36 (D)
- Bergen Saratoga L.P· 73,900 sq ft · score 70 (B)
- BRG - 8801 35th Ave· 73,900 sq ft · score 50 (D)
- Austin 147: 880 East 147 St· 73,899 sq ft · score 81 (B)
- 1505 Macombs Road - 35464· 73,887 sq ft · score 81 (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 800 Park Ave's energy grade?
800 Park Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 56.1 kBtu/ft².
How much energy does 800 Park Ave use?
Its 2024 site energy-use intensity was 56.1 kBtu/ft² (94.8 kBtu/ft² source) across 73,909 sq ft, including 372,152 kWh of electricity and 404 therms of natural gas.
What are 800 Park Ave's carbon emissions?
800 Park Ave reported 336 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is 800 Park Ave?
800 Park Ave is at 800 PARK AVE., in New York City, New York 10021. Its coordinates are 40.77262, -73.96273 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 800 Park Ave and when was it built?
800 Park Ave has 73,909 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.
Is 800 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, “800 Park Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/800-park-ave-8ce44296 (data as of October 2, 2026).