850 Third Avenue
Mixed Use Property in New York City, NY · 850 3 Avenue · 11232
At a glance
850 Third Avenue is a 1,120,000-square-foot mixed use property building at 850 3 Avenue in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 37.4 kBtu/ft² and 4,160 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 37.4 kBtu/ft² |
| Source EUI | 88.1 kBtu/ft² |
| GHG emissions | 4,160 tCO₂e |
| GHG intensity | 3.7 kgCO₂e/ft² |
| Electricity | 9,155,554 kWh |
| Natural gas | 106,278 therms |
| Water use | 6,789 kgal |
| Gross floor area | 1,120,000 sq ft |
| Source record | nyc:15498131:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 37.4 kBtu/ft² | 4,160 tCO₂e | |
| 2023 | — | 37.3 kBtu/ft² | 4,038 tCO₂e | |
| 2022 | — | 33.4 kBtu/ft² | 2,848 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
- 850 3 Avenue
- City
- New York City
- State
- New York
- ZIP
- 11232
- Coordinates
- 40.65852, -74.00333
Within ~1 km
Nearby benchmarked buildings
- Industry Cityscore —
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- Bldg - 7-8 - 892 3rd Avenuescore —
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Non-Refrigerated Warehouse · 653,422 sq ft
- Bldg - 6 - 32 34 STREETscore —
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- Bldg - 4 - 34 35 STREETscore —
Office · 421,850 sq ft
See also: most efficient in New York City · biggest emitters
How does 850 Third Avenue compare with other mixed use property buildings in New York City?
The latest disclosures cover 395 mixed use property buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 37.4 kBtu/ft² is about 60% below the average of 92.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.7 kgCO₂e/ft² is about half of the group average of 7.9 kgCO₂e/ft².
At 1,120,000 sq ft, it is about 398% above the average floor area of 224,815 sq ft for those buildings. It was built in 1920, 37 years earlier than the group's average year built (1958). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has 850 Third Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 850 Third Avenue, covering report years 2022–2024. Site EUI moved from 33.4 kBtu/ft² (2022) to 37.4 kBtu/ft² (2024), an 12% increase. Reported emissions went from 2,848 tCO₂e to 4,160 tCO₂e over the same span (up 46%).
What does a site EUI of 37.4 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. 850 Third Avenue's 37.4 kBtu/ft² across 1,120,000 sq ft works out to about 41.9 billion Btu (12,276 MWh-equivalent) in 2024. Its source EUI of 88.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 9,155,554 kWh of electricity, 106,278 therms of natural gas and 6,789 thousand gallons of water for the year.
Which law requires 850 Third Avenue to report its energy use?
850 Third Avenue 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:15498131:2024). 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 mixed use property buildings in New York City
- 1260 AoA (Bld 18, Radio City); 1270 AoA (Bld 10)· 1,096,815 sq ft
- Rego II + The Alexander· 1,060,742 sq ft · EUI 95.7 kBtu/ft²
- 590 Madison Avenue (572 MADISON AVE)· 1,052,597 sq ft · score 72 (B)
- 140 West Street Condominium· 1,014,254 sq ft · EUI 79.5 kBtu/ft²
- East River Housing 453-457& 573&577· 1,008,322 sq ft · EUI 82.1 kBtu/ft²
- Queens Plaza Park· 992,839 sq ft · score 69 (C)
- Mixed Use Property buildings in New York City· 395 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 850 Third Avenue's energy grade?
850 Third Avenue did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 37.4 kBtu/ft².
How much energy does 850 Third Avenue use?
Its 2024 site energy-use intensity was 37.4 kBtu/ft² (88.1 kBtu/ft² source) across 1,120,000 sq ft, including 9,155,554 kWh of electricity and 106,278 therms of natural gas.
What are 850 Third Avenue's carbon emissions?
850 Third Avenue reported 4,160 tCO₂e of greenhouse-gas emissions (3.7 kgCO₂e/ft²) for 2024.
Where is 850 Third Avenue?
850 Third Avenue is at 850 3 Avenue, in New York City, New York 11232. Its coordinates are 40.65852, -74.00333 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 850 Third Avenue and when was it built?
850 Third Avenue has 1,120,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as mixed use property.
Is 850 Third Avenue 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, “850 Third Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/850-third-avenue-3aba788c (data as of October 2, 2026).