41-45 West 34th Street - Parent Property
Office in New York City, NY · 41-45 West 34th Street · 10001
At a glance
41-45 West 34th Street - Parent Property is a 102,482-square-foot office building in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 38.3 kBtu/ft² and 452 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 38.3 kBtu/ft² |
| Source EUI | 107.4 kBtu/ft² |
| GHG emissions | 452 tCO₂e |
| GHG intensity | 4.4 kgCO₂e/ft² |
| Electricity | 1,151,781 kWh |
| Natural gas | 0 therms |
| Water use | 848 kgal |
| Gross floor area | 102,482 sq ft |
| Source record | nyc:20474279:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 38.3 kBtu/ft² | 452 tCO₂e | |
| 2023 | — | 48.5 kBtu/ft² | 463 tCO₂e | |
| 2022 | — | 98.1 kBtu/ft² | 640 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
- 41-45 West 34th Street
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74932, -73.98663
Within ~1 km
Nearby benchmarked buildings
- ESRT - Empire State Buildingscore 78
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- PENN 1 (LL97)score —
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- PENN 1 (Offices)score —
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- One Bryant Parkscore 62
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- 11 Madison Avenuescore 77
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- (71003A) Herald Square Macy'sscore 70
Retail Store · 2,192,088 sq ft
See also: most efficient in New York City · biggest emitters
How does 41-45 West 34th Street - Parent Property 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 38.3 kBtu/ft² is about 41% below 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 4.4 kgCO₂e/ft² is about 24% below the group average of 5.8 kgCO₂e/ft².
At 102,482 sq ft, it is about half of the average floor area of 205,440 sq ft for those buildings. It was built in 1930, 10 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 41-45 West 34th Street - Parent Property's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 41-45 West 34th Street - Parent Property, covering report years 2022–2024. Site EUI moved from 98.1 kBtu/ft² (2022) to 38.3 kBtu/ft² (2024), a 61% decrease. Reported emissions went from 640 tCO₂e to 452 tCO₂e over the same span (down 29%).
What does a site EUI of 38.3 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. 41-45 West 34th Street - Parent Property's 38.3 kBtu/ft² across 102,482 sq ft works out to about 3.9 billion Btu (1,150 MWh-equivalent) in 2024. Its source EUI of 107.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,151,781 kWh of electricity, 0 therms of natural gas and 848 thousand gallons of water for the year.
Which law requires 41-45 West 34th Street - Parent Property to report its energy use?
41-45 West 34th Street - Parent Property 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:20474279:2024). 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
- Fashion Tower· 102,453 sq ft · score 94 (A)
- 529 - 210 East 86th Street· 102,325 sq ft · score 90 (A)
- 366 Madison· 102,309 sq ft · score 69 (C)
- B12121 - New York· 102,164 sq ft · score 80 (B)
- 513 West 26th Street· 102,075 sq ft
- 1027 FLATBUSH AVENUE· 101,970 sq ft · score 33 (D)
- 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 41-45 West 34th Street - Parent Property's energy grade?
41-45 West 34th Street - Parent Property did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 38.3 kBtu/ft².
How much energy does 41-45 West 34th Street - Parent Property use?
Its 2024 site energy-use intensity was 38.3 kBtu/ft² (107.4 kBtu/ft² source) across 102,482 sq ft, including 1,151,781 kWh of electricity and 0 therms of natural gas.
What are 41-45 West 34th Street - Parent Property's carbon emissions?
41-45 West 34th Street - Parent Property reported 452 tCO₂e of greenhouse-gas emissions (4.4 kgCO₂e/ft²) for 2024.
Where is 41-45 West 34th Street - Parent Property?
41-45 West 34th Street - Parent Property is in New York City, New York 10001. Its coordinates are 40.74932, -73.98663 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 41-45 West 34th Street - Parent Property and when was it built?
41-45 West 34th Street - Parent Property has 102,482 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as office.
Is 41-45 West 34th Street - Parent Property 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, “41-45 West 34th Street - Parent Property, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/41-45-west-34th-street-parent-property-98cf1359 (data as of October 2, 2026).