# 23 Hillside Avenue, Williston Park Venue or place of worship in Williston Park, New York. It covers 12,972 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 27, 2026. Method propdata-estimator-v6. ## This building 23 Hillside Avenue, Williston Park. Venue or place of worship in Williston Park, New York. Property ID sparxq1g32fp1n9. ## Facts **Facts about 23 Hillside Avenue, Williston Park** | Fact | Value | Source | | --- | --- | --- | | Address | 23 Hillside Avenue, Williston Park, NY 11596 | [USA Structures](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Building type | Venue or place of worship | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Place name | Total Performance Physical Therapy | [Overture Maps places](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Place type | physical therapy | [Overture Maps places](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Footprint | 12,972 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Perimeter | 519.19 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Height | 24.21 feet | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Height survey year | 2014 | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Stories | 1 story | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Exterior wall area | 12,571 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Parcel number | 282257-9.-334-568 | [County and state public records](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | | Land use | 481 - Downtown Row Type (with common wall) | [County and state public records](https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/#how-we-know) | ## Cost ranges Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/). ### Exterior soft wash **Exterior soft wash from a boom lift, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $2,000 | $4,000 | $6,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $4,000. ## Similar buildings nearby - [340 Jackson Avenue, Mineola](https://skypsi.com/property/ny/new-york/spgrhrhh4en5ds3-340-jackson-avenue-mineola/) - [353 Searingtown Road, Manhasset](https://skypsi.com/property/ny/new-york/spmzev7mgf8tq03-353-searingtown-road-manhasset/) - [21 Old Westbury Road, Old Westbury](https://skypsi.com/property/ny/new-york/sp76t24gy214h6b-21-old-westbury-road-old-westbury/) - [1025 Corporate Drive, Westbury](https://skypsi.com/property/ny/new-york/spg6xxtg299r5yg-1025-corporate-drive-westbury/) - [300 Forest Drive, Roslyn](https://skypsi.com/property/ny/new-york/spzcpsy65x9nckx-300-forest-drive-roslyn/) - [151 North Franklin Street, Hempstead](https://skypsi.com/property/ny/new-york/spt8f91tf1s1sj6-151-north-franklin-street-hempstead/) - [1 Landing Road, Roslyn](https://skypsi.com/property/ny/new-york/spneg71c8rys6dj-1-landing-road-roslyn/) - [141 Charles Lindbergh Boulevard, Garden City](https://skypsi.com/property/ny/new-york/spmhrznfvsyj5tr-141-charles-lindbergh-boulevard-garden-city/) ## How we know Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact. - [County and state public records](https://skypsi.com/estimates/methodology/sources-and-licensing/): Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data. - [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures. - [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places theme. - [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): SkyPSI's own price model, calibrated rates and building-class rules. - [USGS 3D Elevation Program](https://www.usgs.gov/3d-elevation-program): Lidar elevation data that gives building heights where other sources have none. Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. [How a SkyEstimate is built](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/). [Request a Quote](https://skypsi.com/request-a-quote) --- Sources: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://skypsi.com/estimates/methodology/sources-and-licensing/ Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Building heights from the U.S. Geological Survey 3D Elevation Program (public domain). https://www.usgs.gov/3d-elevation-program Page: https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park/ JSON: https://skypsi.com/property/ny/new-york/sparxq1g32fp1n9-23-hillside-avenue-williston-park.json Content license: https://skypsi.com/content-license.txt