478 - Cardinal O'Connor Residence - Parent Property
Senior Living Community in New York City, NY · 5655 Arlington Ave · 10471
At a glance
478 - Cardinal O'Connor Residence - Parent Property is a 122,050-square-foot senior living community building at 5655 Arlington Ave in New York City, New York, built in 1931. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 93 out of 100 (grade A), a site energy-use intensity of 69.1 kBtu/ft² and 754 tCO₂e of greenhouse-gas emissions. That score is higher than 80% of the 229 scored senior living community buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 93 (band A) |
| Site EUI | 69.1 kBtu/ft² |
| Source EUI | 143.5 kBtu/ft² |
| GHG emissions | 754 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 1,449,104 kWh |
| Natural gas | 34,916 therms |
| Water use | 3,918 kgal |
| Gross floor area | 122,050 sq ft |
| Source record | nyc:33630853:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 93 | 69.1 kBtu/ft² | 754 tCO₂e | |
| 2023 | — | 89.0 kBtu/ft² | 705 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
- 5655 Arlington Ave
- City
- New York City
- State
- New York
- ZIP
- 10471
- Coordinates
- 40.90567, -73.90697
Within ~1 km
Nearby benchmarked buildings
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- College of Mount St. Vincentscore —
College/University · 515,799 sq ft
- CMSV 1score —
College/University · 443,559 sq ft
- AKAM - 5900 Arlington Avenuescore 66
Multifamily Housing · 428,316 sq ft
- AKAM - 5700 Arlington Avenuescore 71
Multifamily Housing · 425,135 sq ft
- AKAM - 5800 Arlington Avenuescore 62
Multifamily Housing · 420,189 sq ft
See also: most efficient in New York City · biggest emitters
How does 478 - Cardinal O'Connor Residence - Parent Property compare with other senior living community buildings in New York City?
The latest disclosures cover 296 senior living community buildings in New York City, out of 48,310 buildings citywide. 478 - Cardinal O'Connor Residence - Parent Property's ENERGY STAR score of 93 compares with an average of 57 across the 229 that report a score; it scores higher than 80% of them and lower than 19%. Its site EUI of 69.1 kBtu/ft² is about 38% below the average of 112.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 6.2 kgCO₂e/ft² is about 27% below the group average of 8.5 kgCO₂e/ft².
At 122,050 sq ft, it is about 12% above the average floor area of 108,590 sq ft for those buildings. It was built in 1931, 43 years earlier than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².
How has 478 - Cardinal O'Connor Residence - Parent Property's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 478 - Cardinal O'Connor Residence - Parent Property, covering report years 2023–2024. Site EUI moved from 89.0 kBtu/ft² (2023) to 69.1 kBtu/ft² (2024), a 22% decrease. Reported emissions went from 705 tCO₂e to 754 tCO₂e over the same span (up 7%).
What does an ENERGY STAR score of 93 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 93 means the building performs better than about 93% of its national peers. BuildingCensus bands the score into report-card grades; 93 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 478 - Cardinal O'Connor Residence - Parent Property's 69.1 kBtu/ft² across 122,050 sq ft works out to about 8.4 billion Btu (2,472 MWh-equivalent) in 2024. Its source EUI of 143.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,449,104 kWh of electricity, 34,916 therms of natural gas and 3,918 thousand gallons of water for the year.
Which law requires 478 - Cardinal O'Connor Residence - Parent Property to report its energy use?
478 - Cardinal O'Connor Residence - 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:33630853:2024). 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 senior living community buildings in New York City
- 810 St. Marks Avenue· 121,830 sq ft
- 142-31 Franklin Ave· 121,785 sq ft · EUI 88.3 kBtu/ft²
- 142-31 Franklin - Latitude· 121,785 sq ft · score 90 (A)
- 4520 4th Ave - 39960· 121,113 sq ft · score 69 (C)
- Archcare: 1339 York Ave· 120,799 sq ft · score 1 (D)
- 2266 Cropsey Avenue (2288 Cropsey Avenue)· 120,618 sq ft
- Senior Living Community buildings in New York City· 296 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 478 - Cardinal O'Connor Residence - Parent Property's energy grade?
478 - Cardinal O'Connor Residence - Parent Property scores 93 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 478 - Cardinal O'Connor Residence - Parent Property use?
Its 2024 site energy-use intensity was 69.1 kBtu/ft² (143.5 kBtu/ft² source) across 122,050 sq ft, including 1,449,104 kWh of electricity and 34,916 therms of natural gas.
What are 478 - Cardinal O'Connor Residence - Parent Property's carbon emissions?
478 - Cardinal O'Connor Residence - Parent Property reported 754 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is 478 - Cardinal O'Connor Residence - Parent Property?
478 - Cardinal O'Connor Residence - Parent Property is at 5655 Arlington Ave, in New York City, New York 10471. Its coordinates are 40.90567, -73.90697 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 478 - Cardinal O'Connor Residence - Parent Property and when was it built?
478 - Cardinal O'Connor Residence - Parent Property has 122,050 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as senior living community.
Is 478 - Cardinal O'Connor Residence - 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, “478 - Cardinal O'Connor Residence - Parent Property, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/478-cardinal-o-connor-residence-parent-property-28d3f725 (data as of October 2, 2026).