Orsid- 450 West End Avenue
Multifamily Housing in New York City, NY · 448 WEST END AVENUE · 10024
At a glance
Orsid- 450 West End Avenue is a 153,330-square-foot multifamily housing building at 448 WEST END AVENUE in New York City, New York, built in 1931. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 57.4 kBtu/ft² and 565 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 57.4 kBtu/ft² |
| Source EUI | 78.2 kBtu/ft² |
| GHG emissions | 565 tCO₂e |
| GHG intensity | 3.7 kgCO₂e/ft² |
| Electricity | 461,226 kWh |
| Natural gas | 72,206 therms |
| Gross floor area | 153,330 sq ft |
| Source record | nyc:33627033:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 57.4 kBtu/ft² | 565 tCO₂e | |
| 2023 | 92 | 52.4 kBtu/ft² | 505 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
- 448 WEST END AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10024
- Coordinates
- 40.78600, -73.97995
Within ~1 km
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How does Orsid- 450 West End Avenue 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 57.4 kBtu/ft² is about 23% 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 3.7 kgCO₂e/ft² is about 29% below the group average of 5.2 kgCO₂e/ft².
At 153,330 sq ft, it is about 52% above the average floor area of 100,951 sq ft for those buildings. It was built in 1931, 21 years earlier 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 Orsid- 450 West End Avenue's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Orsid- 450 West End Avenue, covering report years 2023–2024. Site EUI moved from 52.4 kBtu/ft² (2023) to 57.4 kBtu/ft² (2024), an 10% increase. Reported emissions went from 505 tCO₂e to 565 tCO₂e over the same span (up 12%).
What does a site EUI of 57.4 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. Orsid- 450 West End Avenue's 57.4 kBtu/ft² across 153,330 sq ft works out to about 8.8 billion Btu (2,579 MWh-equivalent) in 2024. Its source EUI of 78.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 461,226 kWh of electricity and 72,206 therms of natural gas for the year.
Which law requires Orsid- 450 West End Avenue to report its energy use?
Orsid- 450 West End Avenue 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:33627033:2024). 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
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- zzzzzAKAM - 221 West 82nd Street· 153,256 sq ft · EUI 88.8 kBtu/ft²
- Hillside Estates· 153,250 sq ft · score 50 (D)
- 1490 Dumont Avenue· 153,198 sq ft
- 3845-3855 Shore Parkway· 153,192 sq ft · score 62 (C)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Biggest emitters in New York City
Frequently asked questions
What is Orsid- 450 West End Avenue's energy grade?
Orsid- 450 West End Avenue did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 57.4 kBtu/ft².
How much energy does Orsid- 450 West End Avenue use?
Its 2024 site energy-use intensity was 57.4 kBtu/ft² (78.2 kBtu/ft² source) across 153,330 sq ft, including 461,226 kWh of electricity and 72,206 therms of natural gas.
What are Orsid- 450 West End Avenue's carbon emissions?
Orsid- 450 West End Avenue reported 565 tCO₂e of greenhouse-gas emissions (3.7 kgCO₂e/ft²) for 2024.
Where is Orsid- 450 West End Avenue?
Orsid- 450 West End Avenue is at 448 WEST END AVENUE, in New York City, New York 10024. Its coordinates are 40.78600, -73.97995 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Orsid- 450 West End Avenue and when was it built?
Orsid- 450 West End Avenue has 153,330 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as multifamily housing.
Is Orsid- 450 West End Avenue 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, “Orsid- 450 West End Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/orsid-450-west-end-avenue-3e757a32 (data as of October 2, 2026).