Orsid - 170 West End Ave
Multifamily Housing in New York City, NY · 170 WEST END AVENUE · 10023
At a glance
Orsid - 170 West End Ave is a 483,114-square-foot multifamily housing building at 170 WEST END AVENUE in New York City, New York, built in 1965. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 73 out of 100 (grade B), a site energy-use intensity of 54.1 kBtu/ft² and 2,216 tCO₂e of greenhouse-gas emissions. That score is higher than 54% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 73 (band B) |
| Site EUI | 54.1 kBtu/ft² |
| Source EUI | 97.9 kBtu/ft² |
| GHG emissions | 2,216 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 2,913,539 kWh |
| Natural gas | 2,060 therms |
| Gross floor area | 483,114 sq ft |
| Source record | nyc:20586438:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 73 | 54.1 kBtu/ft² | 2,216 tCO₂e | |
| 2023 | — | 58.8 kBtu/ft² | 2,263 tCO₂e | |
| 2022 | 69 | 59.8 kBtu/ft² | 2,063 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
- 170 WEST END AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10023
- Coordinates
- 40.77678, -73.98457
Within ~1 km
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How does Orsid - 170 West End Ave 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. Orsid - 170 West End Ave's ENERGY STAR score of 73 compares with an average of 63 across the 22,829 that report a score; it scores higher than 54% of them and lower than 44%. Its site EUI of 54.1 kBtu/ft² is about 28% 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 4.6 kgCO₂e/ft² is about 12% below the group average of 5.2 kgCO₂e/ft².
At 483,114 sq ft, it is about 379% above the average floor area of 100,951 sq ft for those buildings. It was built in 1965, 13 years later 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 - 170 West End Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Orsid - 170 West End Ave, covering report years 2022–2024. Its ENERGY STAR score went from 69 in 2022 to 73 in 2024 (+4 points). Site EUI moved from 59.8 kBtu/ft² (2022) to 54.1 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 2,063 tCO₂e to 2,216 tCO₂e over the same span (up 7%).
What does an ENERGY STAR score of 73 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 73 means the building performs better than about 73% of its national peers. BuildingCensus bands the score into report-card grades; 73 falls in band B — above median (70–84). It sits 2 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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 - 170 West End Ave's 54.1 kBtu/ft² across 483,114 sq ft works out to about 26.1 billion Btu (7,660 MWh-equivalent) in 2024. Its source EUI of 97.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,913,539 kWh of electricity and 2,060 therms of natural gas for the year.
Which law requires Orsid - 170 West End Ave to report its energy use?
Orsid - 170 West End Ave 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:20586438:2024). 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
- 160 WEA (160 West End Avenue)· 482,878 sq ft · score 61 (C)
- DEPM 1286 - 45 Sutton Place South· 482,687 sq ft · score 82 (B)
- Greenwich Club Residences· 481,731 sq ft · score 25 (D)
- The Howard Owners, Inc. (99-32, 99-52, 99-72 66th Road) (Campus)· 481,406 sq ft · score 30 (D)
- 111 Hicks Street· 481,172 sq ft · score 81 (B)
- (8200) - 200 Chambers Street Condo· 481,062 sq ft · score 36 (D)
- Multifamily Housing buildings in New York City· 33,022 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 Orsid - 170 West End Ave's energy grade?
Orsid - 170 West End Ave scores 73 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Orsid - 170 West End Ave use?
Its 2024 site energy-use intensity was 54.1 kBtu/ft² (97.9 kBtu/ft² source) across 483,114 sq ft, including 2,913,539 kWh of electricity and 2,060 therms of natural gas.
What are Orsid - 170 West End Ave's carbon emissions?
Orsid - 170 West End Ave reported 2,216 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2024.
Where is Orsid - 170 West End Ave?
Orsid - 170 West End Ave is at 170 WEST END AVENUE, in New York City, New York 10023. Its coordinates are 40.77678, -73.98457 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Orsid - 170 West End Ave and when was it built?
Orsid - 170 West End Ave has 483,114 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1965 as its year built. It is classed as multifamily housing.
Is Orsid - 170 West End Ave 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 - 170 West End Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/orsid-170-west-end-ave-dbe298c6 (data as of October 2, 2026).