863 50 Street
Multifamily Housing in New York City, NY · 11220
At a glance
863 50 Street is a 25,900-square-foot multifamily housing building in New York City, New York, built in 2004. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 61.4 kBtu/ft² and 109 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.4 kBtu/ft² |
| Source EUI | 91.7 kBtu/ft² |
| GHG emissions | 109 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 118,283 kWh |
| Natural gas | 11,855 therms |
| Water use | 1,238 kgal |
| Gross floor area | 25,900 sq ft |
| Source record | nyc:14766185:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 61.4 kBtu/ft² | 109 tCO₂e | |
| 2023 | — | 69.1 kBtu/ft² | 118 tCO₂e | |
| 2022 | — | 71.6 kBtu/ft² | 111 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
- 863 50 Street
- City
- New York City
- State
- New York
- ZIP
- 11220
- Coordinates
- 40.64033, -74.00240
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 863 50 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. Its site EUI of 61.4 kBtu/ft² is about 18% 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 4.2 kgCO₂e/ft² is about 19% below the group average of 5.2 kgCO₂e/ft².
At 25,900 sq ft, it is about 74% below the average floor area of 100,951 sq ft for those buildings. It was built in 2004, 52 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.
How has 863 50 Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 863 50 Street, covering report years 2022–2024. Site EUI moved from 71.6 kBtu/ft² (2022) to 61.4 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 111 tCO₂e to 109 tCO₂e over the same span (down 2%).
What does a site EUI of 61.4 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. 863 50 Street's 61.4 kBtu/ft² across 25,900 sq ft works out to about 1.6 billion Btu (466 MWh-equivalent) in 2024. Its source EUI of 91.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 118,283 kWh of electricity, 11,855 therms of natural gas and 1,238 thousand gallons of water for the year.
Which law requires 863 50 Street to report its energy use?
863 50 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 2024 disclosure (source record nyc:14766185:2024). 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
- 37-17 111th Street· 25,895 sq ft · score 95 (A)
- 1613 E NEW YORK AVE· 25,893 sq ft · score 96 (A)
- 2090 Madison Avenue (Parent Property)· 25,893 sq ft · score 85 (A)
- 120 East 86th Street· 25,892 sq ft · EUI 71.7 kBtu/ft²
- 404 East 75th Street· 25,890 sq ft · score 40 (D)
- 244 68th Street· 25,890 sq ft · score 19 (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 863 50 Street's energy grade?
863 50 Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 61.4 kBtu/ft².
How much energy does 863 50 Street use?
Its 2024 site energy-use intensity was 61.4 kBtu/ft² (91.7 kBtu/ft² source) across 25,900 sq ft, including 118,283 kWh of electricity and 11,855 therms of natural gas.
What are 863 50 Street's carbon emissions?
863 50 Street reported 109 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024.
Where is 863 50 Street?
863 50 Street is in New York City, New York 11220. Its coordinates are 40.64033, -74.00240 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 863 50 Street and when was it built?
863 50 Street has 25,900 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2004 as its year built. It is classed as multifamily housing.
Is 863 50 Street 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, “863 50 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/863-50-street-0db88693 (data as of October 2, 2026).