HSS - 524 E 73rd
Parking in New York City, NY · 524 E 73rd St · 10021
At a glance
HSS - 524 E 73rd is a 41,658-square-foot parking building at 524 E 73rd St 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 24.9 kBtu/ft² and 120 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 24.9 kBtu/ft² |
| Source EUI | 69.8 kBtu/ft² |
| GHG emissions | 120 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 304,381 kWh |
| Water use | 215 kgal |
| Gross floor area | 41,658 sq ft |
| Source record | nyc:23372017:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 24.9 kBtu/ft² | 120 tCO₂e | |
| 2023 | — | 24.8 kBtu/ft² | 112 tCO₂e | |
| 2022 | — | 31.6 kBtu/ft² | 111 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 524 E 73rd St
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.76691, -73.95182
Within ~1 km
Nearby benchmarked buildings
- NYP Cornell (East Campus)score 47
Hospital (General Medical & Surgical) · 2,801,795 sq ft
Other - Specialty Hospital · 2,490,355 sq ft
Mixed Use Property · 2,437,399 sq ft
- Weill Cornell Medical Centerscore —
Hospital (General Medical & Surgical) · 2,405,480 sq ft
Laboratory · 1,862,814 sq ft
Laboratory · 1,546,119 sq ft
See also: most efficient in New York City · biggest emitters
How does HSS - 524 E 73rd 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 24.9 kBtu/ft² is about 37% 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 2.9 kgCO₂e/ft² is about 22% below the group average of 3.7 kgCO₂e/ft².
At 41,658 sq ft, it is about 56% below the average floor area of 93,719 sq ft for those buildings. It was built in 1931, 26 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 HSS - 524 E 73rd's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for HSS - 524 E 73rd, covering report years 2022–2024. Site EUI moved from 31.6 kBtu/ft² (2022) to 24.9 kBtu/ft² (2024), a 21% decrease. Reported emissions went from 111 tCO₂e to 120 tCO₂e over the same span (up 7%).
What does a site EUI of 24.9 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. HSS - 524 E 73rd's 24.9 kBtu/ft² across 41,658 sq ft works out to about 1 billion Btu (304 MWh-equivalent) in 2024. Its source EUI of 69.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 304,381 kWh of electricity and 215 thousand gallons of water for the year.
Which law requires HSS - 524 E 73rd to report its energy use?
HSS - 524 E 73rd 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:23372017:2024). 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
- 340 East 59th Street· 41,586 sq ft · EUI 10.0 kBtu/ft²
- 405 E 60 Street· 40,686 sq ft · EUI 1.9 kBtu/ft²
- 405 E 60 ST· 40,686 sq ft · EUI 7.0 kBtu/ft²
- 532-38 West 122nd St.· 40,160 sq ft · EUI 13.0 kBtu/ft²
- Northside: 526 Union· 40,000 sq ft · EUI 41.1 kBtu/ft²
- 1298 Inwood Avenue· 40,000 sq ft · EUI 5.7 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 HSS - 524 E 73rd's energy grade?
HSS - 524 E 73rd did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 24.9 kBtu/ft².
How much energy does HSS - 524 E 73rd use?
Its 2024 site energy-use intensity was 24.9 kBtu/ft² (69.8 kBtu/ft² source) across 41,658 sq ft, including 304,381 kWh of electricity.
What are HSS - 524 E 73rd's carbon emissions?
HSS - 524 E 73rd reported 120 tCO₂e of greenhouse-gas emissions (2.9 kgCO₂e/ft²) for 2024.
Where is HSS - 524 E 73rd?
HSS - 524 E 73rd is at 524 E 73rd St, in New York City, New York 10021. Its coordinates are 40.76691, -73.95182 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is HSS - 524 E 73rd and when was it built?
HSS - 524 E 73rd has 41,658 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as parking.
Is HSS - 524 E 73rd 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “HSS - 524 E 73rd, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/hss-524-e-73rd-cbf2d15b (data as of October 2, 2026).