950 55 Street
Multifamily Housing in New York City, NY · 11219
At a glance
950 55 Street is a 32,763-square-foot multifamily housing building in New York City, New York, built in 2019. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 20.6 kBtu/ft² and 71 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 20.6 kBtu/ft² |
| Source EUI | 51.6 kBtu/ft² |
| GHG emissions | 71 tCO₂e |
| GHG intensity | 2.2 kgCO₂e/ft² |
| Electricity | 164,557 kWh |
| Natural gas | 1,140 therms |
| Gross floor area | 32,763 sq ft |
| Source record | nyc:32063574:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 20.6 kBtu/ft² | 71 tCO₂e | |
| 2023 | — | 25.1 kBtu/ft² | 64 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
- 950 55 Street
- City
- New York City
- State
- New York
- ZIP
- 11219
- Coordinates
- 40.63622, -74.00318
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 950 55 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 20.6 kBtu/ft² is about 72% 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 2.2 kgCO₂e/ft² is about 58% below the group average of 5.2 kgCO₂e/ft².
At 32,763 sq ft, it is about 68% below the average floor area of 100,951 sq ft for those buildings. It was built in 2019, 67 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 950 55 Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 950 55 Street, covering report years 2023–2024. Site EUI moved from 25.1 kBtu/ft² (2023) to 20.6 kBtu/ft² (2024), a 18% decrease. Reported emissions went from 64 tCO₂e to 71 tCO₂e over the same span (up 11%).
What does a site EUI of 20.6 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. 950 55 Street's 20.6 kBtu/ft² across 32,763 sq ft works out to about 0.7 billion Btu (198 MWh-equivalent) in 2024. Its source EUI of 51.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 164,557 kWh of electricity and 1,140 therms of natural gas for the year.
Which law requires 950 55 Street to report its energy use?
950 55 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:32063574:2024). 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
- 3 East 85th Street· 32,762 sq ft · score 77 (B)
- Werber: 40-19 72nd St· 32,761 sq ft · score 85 (A)
- Andrews: 176 West 86 St· 32,758 sq ft · EUI 87.0 kBtu/ft²
- Dafnonas Estates LTD: 77 Eastern Pkwy· 32,753 sq ft · score 93 (A)
- 3020 Valentine Ave (243 E 202 St)· 32,752 sq ft · score 42 (D)
- 312-314 West 94th Street· 32,750 sq ft · score 93 (A)
- 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 950 55 Street's energy grade?
950 55 Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 20.6 kBtu/ft².
How much energy does 950 55 Street use?
Its 2024 site energy-use intensity was 20.6 kBtu/ft² (51.6 kBtu/ft² source) across 32,763 sq ft, including 164,557 kWh of electricity and 1,140 therms of natural gas.
What are 950 55 Street's carbon emissions?
950 55 Street reported 71 tCO₂e of greenhouse-gas emissions (2.2 kgCO₂e/ft²) for 2024.
Where is 950 55 Street?
950 55 Street is in New York City, New York 11219. Its coordinates are 40.63622, -74.00318 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 950 55 Street and when was it built?
950 55 Street has 32,763 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2019 as its year built. It is classed as multifamily housing.
Is 950 55 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, “950 55 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/950-55-street-32d90c14 (data as of October 2, 2026).