(NY03023) - Park Royal Owners Inc
Multifamily Housing in New York City, NY · 23 West 73 Street · 10023
At a glance
(NY03023) - Park Royal Owners Inc is a 308,337-square-foot multifamily housing building at 23 West 73 Street in New York City, New York, built in 1926. In its 2022 New York City benchmarking disclosure it reported an ENERGY STAR score of 52 out of 100 (grade D), a site energy-use intensity of 63.9 kBtu/ft² and 1,431 tCO₂e of greenhouse-gas emissions. That score is higher than 33% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 52 (band D) |
| Site EUI | 63.9 kBtu/ft² |
| Source EUI | 102.0 kBtu/ft² |
| GHG emissions | 1,431 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 1,861,366 kWh |
| Gross floor area | 308,337 sq ft |
| Source record | nyc:20413826:2022 |
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
- 23 West 73 Street
- City
- New York City
- State
- New York
- ZIP
- 10023
- Coordinates
- 40.77718, -73.97611
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does (NY03023) - Park Royal Owners Inc 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. (NY03023) - Park Royal Owners Inc's ENERGY STAR score of 52 compares with an average of 63 across the 22,829 that report a score; it scores higher than 33% of them and lower than 66%. Its site EUI of 63.9 kBtu/ft² is about 15% 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 308,337 sq ft, it is about 205% above the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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.
What does an ENERGY STAR score of 52 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 52 means the building performs better than about 52% of its national peers. BuildingCensus bands the score into report-card grades; 52 falls in band D — lowest band (1–54). It sits 23 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. (NY03023) - Park Royal Owners Inc's 63.9 kBtu/ft² across 308,337 sq ft works out to about 19.7 billion Btu (5,774 MWh-equivalent) in 2022. Its source EUI of 102.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,861,366 kWh of electricity for the year.
Which law requires (NY03023) - Park Royal Owners Inc to report its energy use?
(NY03023) - Park Royal Owners Inc 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 2022 disclosure (source record nyc:20413826:2022). 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
- 42-49 Colden St - 33607· 308,109 sq ft · score 34 (D)
- FANNY GRUNBERG : 77 WEST 66 STREET· 307,970 sq ft · score 100 (A)
- DEPM 1842 - 70-20 108th St· 307,892 sq ft · score 74 (B)
- LEXINGTON Bldgs 3-4· 307,774 sq ft · EUI 136.1 kBtu/ft²
- 360 West 34th Street / 400 9th Avenue - PARENT· 307,736 sq ft · score 48 (D)
- Deepdale Corp 1· 307,636 sq ft · score 17 (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 (NY03023) - Park Royal Owners Inc's energy grade?
(NY03023) - Park Royal Owners Inc scores 52 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2022 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does (NY03023) - Park Royal Owners Inc use?
Its 2022 site energy-use intensity was 63.9 kBtu/ft² (102.0 kBtu/ft² source) across 308,337 sq ft, including 1,861,366 kWh of electricity.
What are (NY03023) - Park Royal Owners Inc's carbon emissions?
(NY03023) - Park Royal Owners Inc reported 1,431 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2022.
Where is (NY03023) - Park Royal Owners Inc?
(NY03023) - Park Royal Owners Inc is at 23 West 73 Street, in New York City, New York 10023. Its coordinates are 40.77718, -73.97611 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is (NY03023) - Park Royal Owners Inc and when was it built?
(NY03023) - Park Royal Owners Inc has 308,337 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.
Is (NY03023) - Park Royal Owners Inc covered by Local Law 84 (LL84)?
Yes — it appears in the 2022 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, “(NY03023) - Park Royal Owners Inc, New York City, New York — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/ny03023-park-royal-owners-inc-0cfdb3eb (data as of October 2, 2026).