15 West 28th LLC
Office in New York City, NY · 15 West 28th Street · 10001
At a glance
15 West 28th LLC is a 44,055-square-foot office building at 15 West 28th Street in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 61.5 kBtu/ft² and 242 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.5 kBtu/ft² |
| Source EUI | 127.2 kBtu/ft² |
| GHG emissions | 242 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 461,732 kWh |
| Natural gas | 11,343 therms |
| Gross floor area | 44,055 sq ft |
| Source record | nyc:6261100:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 61.5 kBtu/ft² | 242 tCO₂e | |
| 2023 | 24 | +5 | 96.8 kBtu/ft² | 305 tCO₂e |
| 2022 | 19 | 110.4 kBtu/ft² | 296 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
- 15 West 28th Street
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74515, -73.98838
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 15 West 28th 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 61.5 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 44,055 sq ft, it is about 79% below the average floor area of 205,440 sq ft for those buildings. It was built in 1900, 40 years earlier 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 15 West 28th LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 15 West 28th LLC, covering report years 2022–2024. Its ENERGY STAR score went from 19 in 2022 to 24 in 2023 (+5 points). Site EUI moved from 110.4 kBtu/ft² (2022) to 61.5 kBtu/ft² (2024), a 44% decrease. Reported emissions went from 296 tCO₂e to 242 tCO₂e over the same span (down 18%).
What does a site EUI of 61.5 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. 15 West 28th LLC's 61.5 kBtu/ft² across 44,055 sq ft works out to about 2.7 billion Btu (794 MWh-equivalent) in 2024. Its source EUI of 127.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 461,732 kWh of electricity and 11,343 therms of natural gas for the year.
Which law requires 15 West 28th LLC to report its energy use?
15 West 28th 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:6261100:2024). 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
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- Park Avenue Management - 2275 Coleman Street· 44,000 sq ft · score 78 (B)
- Maimonides - 2275 Coleman St· 44,000 sq ft · score 59 (C)
- MCL - Knapp Street Property· 44,000 sq ft · score 80 (B)
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- 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 15 West 28th LLC's energy grade?
15 West 28th LLC did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 61.5 kBtu/ft².
How much energy does 15 West 28th LLC use?
Its 2024 site energy-use intensity was 61.5 kBtu/ft² (127.2 kBtu/ft² source) across 44,055 sq ft, including 461,732 kWh of electricity and 11,343 therms of natural gas.
What are 15 West 28th LLC's carbon emissions?
15 West 28th LLC reported 242 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2024.
Where is 15 West 28th LLC?
15 West 28th LLC is at 15 West 28th Street, in New York City, New York 10001. Its coordinates are 40.74515, -73.98838 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 15 West 28th LLC and when was it built?
15 West 28th LLC has 44,055 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as office.
Is 15 West 28th 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, “15 West 28th LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/15-west-28th-llc-033734b2 (data as of October 2, 2026).