Greenwich_48-50 38th Street
Multifamily Housing in New York City, NY · 48-50 38th Street · 11101
At a glance
Greenwich_48-50 38th Street is a 78,496-square-foot multifamily housing building in New York City, New York, built in 1970. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 58.9 kBtu/ft² and 308 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 58.9 kBtu/ft² |
| Source EUI | 82.0 kBtu/ft² |
| GHG emissions | 308 tCO₂e |
| GHG intensity | 3.9 kgCO₂e/ft² |
| Electricity | 266,900 kWh |
| Natural gas | 34,367 therms |
| Water use | 2,932 kgal |
| Gross floor area | 78,496 sq ft |
| Source record | nyc:3120839:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 58.9 kBtu/ft² | 308 tCO₂e | |
| 2023 | 91 | +5 | 59.0 kBtu/ft² | 283 tCO₂e |
| 2022 | 86 | 69.5 kBtu/ft² | 308 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
- 48-50 38th Street
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.73923, -73.92803
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in New York City · biggest emitters
How does Greenwich_48-50 38th 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 58.9 kBtu/ft² is about 21% 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 3.9 kgCO₂e/ft² is about 25% below the group average of 5.2 kgCO₂e/ft².
At 78,496 sq ft, it is about 22% below the average floor area of 100,951 sq ft for those buildings. It was built in 1970, 18 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 Greenwich_48-50 38th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Greenwich_48-50 38th Street, covering report years 2022–2024. Its ENERGY STAR score went from 86 in 2022 to 91 in 2023 (+5 points). Site EUI moved from 69.5 kBtu/ft² (2022) to 58.9 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 308 tCO₂e to 308 tCO₂e over the same span (down 0%).
What does a site EUI of 58.9 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. Greenwich_48-50 38th Street's 58.9 kBtu/ft² across 78,496 sq ft works out to about 4.6 billion Btu (1,355 MWh-equivalent) in 2024. Its source EUI of 82.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 266,900 kWh of electricity, 34,367 therms of natural gas and 2,932 thousand gallons of water for the year.
Which law requires Greenwich_48-50 38th Street to report its energy use?
Greenwich_48-50 38th 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:3120839:2024). 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
- 102-40 67th Drive· 78,478 sq ft
- Bennett Tower· 78,467 sq ft · score 80 (B)
- 40 Prospect Park West· 78,431 sq ft · EUI 60.5 kBtu/ft²
- TKR - 75 Poplar Street· 78,431 sq ft · score 100 (A)
- AKAM - 301 East 45th Street· 78,428 sq ft · score 47 (D)
- 629 West 173rd Street· 78,425 sq ft · score 100 (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 Greenwich_48-50 38th Street's energy grade?
Greenwich_48-50 38th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 58.9 kBtu/ft².
How much energy does Greenwich_48-50 38th Street use?
Its 2024 site energy-use intensity was 58.9 kBtu/ft² (82.0 kBtu/ft² source) across 78,496 sq ft, including 266,900 kWh of electricity and 34,367 therms of natural gas.
What are Greenwich_48-50 38th Street's carbon emissions?
Greenwich_48-50 38th Street reported 308 tCO₂e of greenhouse-gas emissions (3.9 kgCO₂e/ft²) for 2024.
Where is Greenwich_48-50 38th Street?
Greenwich_48-50 38th Street is in New York City, New York 11101. Its coordinates are 40.73923, -73.92803 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Greenwich_48-50 38th Street and when was it built?
Greenwich_48-50 38th Street has 78,496 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1970 as its year built. It is classed as multifamily housing.
Is Greenwich_48-50 38th 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, “Greenwich_48-50 38th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/greenwich-48-50-38th-street-bf83e4dd (data as of October 2, 2026).