19 West 45th LLC
Mixed Use Property in New York City, NY · 19 West 45th Street · 10036
At a glance
19 West 45th LLC is a 40,875-square-foot mixed use property building at 19 West 45th Street in New York City, New York, built in 1911. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 157.7 kBtu/ft² and 472 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 157.7 kBtu/ft² |
| Source EUI | 255.4 kBtu/ft² |
| GHG emissions | 472 tCO₂e |
| GHG intensity | 11.6 kgCO₂e/ft² |
| Electricity | 614,785 kWh |
| Natural gas | 43,482 therms |
| Water use | 4,187 kgal |
| Gross floor area | 40,875 sq ft |
| Source record | nyc:6261104:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 157.7 kBtu/ft² | 472 tCO₂e | |
| 2023 | 16 | -3 | 143.5 kBtu/ft² | 406 tCO₂e |
| 2022 | 19 | 136.9 kBtu/ft² | 378 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
- 19 West 45th Street
- City
- New York City
- State
- New York
- ZIP
- 10036
- Coordinates
- 40.75579, -73.98038
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 19 West 45th LLC compare with other mixed use property buildings in New York City?
The latest disclosures cover 395 mixed use property buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 157.7 kBtu/ft² is about 70% above the average of 92.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 11.6 kgCO₂e/ft² is about 46% above the group average of 7.9 kgCO₂e/ft².
At 40,875 sq ft, it is about 82% below the average floor area of 224,815 sq ft for those buildings. It was built in 1911, 46 years earlier than the group's average year built (1958). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has 19 West 45th LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 19 West 45th LLC, covering report years 2022–2024. Its ENERGY STAR score went from 19 in 2022 to 16 in 2023 (-3 points); its best year on file was 2022, at 19. Site EUI moved from 136.9 kBtu/ft² (2022) to 157.7 kBtu/ft² (2024), an 15% increase. Reported emissions went from 378 tCO₂e to 472 tCO₂e over the same span (up 25%).
What does a site EUI of 157.7 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. 19 West 45th LLC's 157.7 kBtu/ft² across 40,875 sq ft works out to about 6.4 billion Btu (1,889 MWh-equivalent) in 2024. Its source EUI of 255.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 614,785 kWh of electricity, 43,482 therms of natural gas and 4,187 thousand gallons of water for the year.
Which law requires 19 West 45th LLC to report its energy use?
19 West 45th 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:6261104:2024). 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 mixed use property buildings in New York City
- ICP REALTY LLC:20 CLIFTON AVENUE· 40,125 sq ft · EUI 44.2 kBtu/ft²
- Rocklyn: 70-11 Kessel St· 40,004 sq ft · EUI 36.8 kBtu/ft²
- Center for Jewish History - 20 West 17th St· 39,871 sq ft
- Manton Holding - 116-29 Queens Boulevard· 39,608 sq ft · EUI 111.0 kBtu/ft²
- 755 Bedford Ave· 39,422 sq ft · EUI 17.4 kBtu/ft²
- 156 Second Avenue· 39,395 sq ft · score 17 (D)
- Mixed Use Property buildings in New York City· 395 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 19 West 45th LLC's energy grade?
19 West 45th LLC did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 157.7 kBtu/ft².
How much energy does 19 West 45th LLC use?
Its 2024 site energy-use intensity was 157.7 kBtu/ft² (255.4 kBtu/ft² source) across 40,875 sq ft, including 614,785 kWh of electricity and 43,482 therms of natural gas.
What are 19 West 45th LLC's carbon emissions?
19 West 45th LLC reported 472 tCO₂e of greenhouse-gas emissions (11.6 kgCO₂e/ft²) for 2024.
Where is 19 West 45th LLC?
19 West 45th LLC is at 19 West 45th Street, in New York City, New York 10036. Its coordinates are 40.75579, -73.98038 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 19 West 45th LLC and when was it built?
19 West 45th LLC has 40,875 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1911 as its year built. It is classed as mixed use property.
Is 19 West 45th 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, “19 West 45th LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/19-west-45th-llc-85c7c5ef (data as of October 2, 2026).