3500 48th Street Owner LLC
Office in New York City, NY · 3500 48th Street · 11101
At a glance
3500 48th Street Owner LLC is a 124,564-square-foot office building in New York City, New York, built in 1980. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 111.8 kBtu/ft² and 1,300 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 111.8 kBtu/ft² |
| Source EUI | 244.5 kBtu/ft² |
| GHG emissions | 1,300 tCO₂e |
| GHG intensity | 10.4 kgCO₂e/ft² |
| Electricity | 2,650,804 kWh |
| Natural gas | 48,821 therms |
| Water use | 1,635 kgal |
| Gross floor area | 124,564 sq ft |
| Source record | nyc:15097702:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 111.8 kBtu/ft² | 1,300 tCO₂e | |
| 2023 | 32 | -2 | 105.5 kBtu/ft² | 1,209 tCO₂e |
| 2022 | 34 | 108.0 kBtu/ft² | 992 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
- 3500 48th Street
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.75335, -73.91477
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 3500 48th Street Owner LLC compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 111.8 kBtu/ft² is about 73% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 10.4 kgCO₂e/ft² is about 80% above the group average of 5.8 kgCO₂e/ft².
At 124,564 sq ft, it is about 39% below the average floor area of 205,440 sq ft for those buildings. It was built in 1980, 40 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 3500 48th Street Owner LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 3500 48th Street Owner LLC, covering report years 2022–2024. Its ENERGY STAR score went from 34 in 2022 to 32 in 2023 (-2 points); its best year on file was 2022, at 34. Site EUI moved from 108.0 kBtu/ft² (2022) to 111.8 kBtu/ft² (2024), an 4% increase. Reported emissions went from 992 tCO₂e to 1,300 tCO₂e over the same span (up 31%).
What does a site EUI of 111.8 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. 3500 48th Street Owner LLC's 111.8 kBtu/ft² across 124,564 sq ft works out to about 13.9 billion Btu (4,081 MWh-equivalent) in 2024. Its source EUI of 244.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,650,804 kWh of electricity, 48,821 therms of natural gas and 1,635 thousand gallons of water for the year.
Which law requires 3500 48th Street Owner LLC to report its energy use?
3500 48th Street Owner LLC 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:15097702:2024). 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 office buildings in New York City
- Building 1, 158-11 Jewel Avenue· 124,525 sq ft · EUI 189.1 kBtu/ft²
- 55 W. 39th St.· 124,438 sq ft · score 84 (B)
- Justin Management: 153 W 27th St· 124,040 sq ft · score 96 (A)
- Mink Building Parent· 124,001 sq ft · EUI 48.0 kBtu/ft²
- 43-01 21st Street LLC· 124,000 sq ft · score 91 (A)
- Mink Building· 124,000 sq ft · score 84 (B)
- Office buildings in New York City· 3,384 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 3500 48th Street Owner LLC's energy grade?
3500 48th Street Owner LLC did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 111.8 kBtu/ft².
How much energy does 3500 48th Street Owner LLC use?
Its 2024 site energy-use intensity was 111.8 kBtu/ft² (244.5 kBtu/ft² source) across 124,564 sq ft, including 2,650,804 kWh of electricity and 48,821 therms of natural gas.
What are 3500 48th Street Owner LLC's carbon emissions?
3500 48th Street Owner LLC reported 1,300 tCO₂e of greenhouse-gas emissions (10.4 kgCO₂e/ft²) for 2024.
Where is 3500 48th Street Owner LLC?
3500 48th Street Owner LLC is in New York City, New York 11101. Its coordinates are 40.75335, -73.91477 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 3500 48th Street Owner LLC and when was it built?
3500 48th Street Owner LLC has 124,564 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is 3500 48th Street Owner LLC 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, “3500 48th Street Owner LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/3500-48th-street-owner-llc-831fcc09 (data as of October 2, 2026).