503 W 166th Street
Parking in New York City, NY · 503-509 W 166th Street · 10032
At a glance
503 W 166th Street is a 58,000-square-foot parking building at 503-509 W 166th Street in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 5.7 kBtu/ft² and 38 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 5.7 kBtu/ft² |
| Source EUI | 16.0 kBtu/ft² |
| GHG emissions | 38 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 96,979 kWh |
| Water use | 111 kgal |
| Gross floor area | 58,000 sq ft |
| Source record | nyc:6803624:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 5.7 kBtu/ft² | 38 tCO₂e | |
| 2023 | — | 6.6 kBtu/ft² | 42 tCO₂e | |
| 2022 | — | 6.7 kBtu/ft² | 33 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
- 503-509 W 166th Street
- City
- New York City
- State
- New York
- ZIP
- 10032
- Coordinates
- 40.83881, -73.93806
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 503 W 166th Street compare with other parking buildings in New York City?
The latest disclosures cover 301 parking buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 5.7 kBtu/ft² is about 86% below the average of 39.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.7 kgCO₂e/ft² is about 82% below the group average of 3.7 kgCO₂e/ft².
At 58,000 sq ft, it is about 38% below the average floor area of 93,719 sq ft for those buildings. It was built in 1925, 32 years earlier than the group's average year built (1957). Across all 24 jurisdictions BuildingCensus covers, the 1,071 parking buildings average an ENERGY STAR score of 67 and a site EUI of 40.3 kBtu/ft².
How has 503 W 166th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 503 W 166th Street, covering report years 2022–2024. Site EUI moved from 6.7 kBtu/ft² (2022) to 5.7 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 33 tCO₂e to 38 tCO₂e over the same span (up 16%).
What does a site EUI of 5.7 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. 503 W 166th Street's 5.7 kBtu/ft² across 58,000 sq ft works out to about 0.3 billion Btu (97 MWh-equivalent) in 2024. Its source EUI of 16.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 96,979 kWh of electricity and 111 thousand gallons of water for the year.
Which law requires 503 W 166th Street to report its energy use?
503 W 166th Street 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:6803624:2024). 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 parking buildings in New York City
- 59 Allen Street· 57,807 sq ft · EUI 78.7 kBtu/ft²
- 38 West 46 Street· 57,738 sq ft · EUI 10.2 kBtu/ft²
- 500 ST MARKS AVE., LLC (500 St Marks Ave)· 56,350 sq ft · EUI 19.6 kBtu/ft²
- 23 West 55 Street· 54,420 sq ft · EUI 15.2 kBtu/ft²
- Carousel: 201 WEST 75 STREET· 53,719 sq ft · EUI 91.1 kBtu/ft²
- East 16th Street: 110 E 16th St· 53,686 sq ft · EUI 6.4 kBtu/ft²
- Parking buildings in New York City· 301 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 503 W 166th Street's energy grade?
503 W 166th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 5.7 kBtu/ft².
How much energy does 503 W 166th Street use?
Its 2024 site energy-use intensity was 5.7 kBtu/ft² (16.0 kBtu/ft² source) across 58,000 sq ft, including 96,979 kWh of electricity.
What are 503 W 166th Street's carbon emissions?
503 W 166th Street reported 38 tCO₂e of greenhouse-gas emissions (0.7 kgCO₂e/ft²) for 2024.
Where is 503 W 166th Street?
503 W 166th Street is at 503-509 W 166th Street, in New York City, New York 10032. Its coordinates are 40.83881, -73.93806 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 503 W 166th Street and when was it built?
503 W 166th Street has 58,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as parking.
Is 503 W 166th Street 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, “503 W 166th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/503-w-166th-street-5910299b (data as of October 2, 2026).