# 480 Harrison Avenue, Harrison School in Harrison, New York. It covers 11,043 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 480 Harrison Avenue, Harrison. School in Harrison, New York. Property ID spet3tgyzafwqzz. ## Facts **Facts about 480 Harrison Avenue, Harrison** | Fact | Value | Source | | --- | --- | --- | | Address | 480 Harrison Avenue, Harrison, NY 10528 | [USA Structures](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Footprint | 11,043 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Perimeter | 819.76 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Height | 20.08 feet | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Height survey year | 2019 | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Stories | 2 stories | [USGS 3D Elevation Program](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Exterior wall area | 16,460 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Parcel number | 5528010443.-1 | [County and state public records](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#how-we-know) | | Land use | 612 Schools | [County and state public records](https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison/#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 | $2,500 | $4,500 | $7,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $4,500. ## Similar buildings nearby - [480 Harrison Avenue, Harrison](https://skypsi.com/property/ny/new-york/spj5x01pd5dvgeq-480-harrison-avenue-harrison/) - [50 Union Avenue, Harrison](https://skypsi.com/property/ny/new-york/sp2d0jk3tkg6ssy-50-union-avenue-harrison/) - [10 Osborn Road, Rye](https://skypsi.com/property/ny/new-york/sphezmvnj7d3czf-10-osborn-road-rye/) - [310 Hornidge Road, Mamaroneck](https://skypsi.com/property/ny/new-york/spjy7vg7qgyecph-310-hornidge-road-mamaroneck/) - [255 Union Avenue, Harrison](https://skypsi.com/property/ny/new-york/sppyv0wpf3a9qn4-255-union-avenue-harrison/) - [450 Mamaroneck Avenue, Harrison](https://skypsi.com/property/ny/new-york/spme6ktvbvf4vnf-450-mamaroneck-avenue-harrison/) - [2 Parsons Street, Rye](https://skypsi.com/property/ny/new-york/sp1mvfgzbbz00r9-2-parsons-street-rye/) - [1275 Mamaroneck Avenue, White Plains](https://skypsi.com/property/ny/new-york/sp23e06w3kh4gb6-1275-mamaroneck-avenue-white-plains/) ## 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. - [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, 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/ 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/spet3tgyzafwqzz-480-harrison-avenue-harrison/ JSON: https://skypsi.com/property/ny/new-york/spet3tgyzafwqzz-480-harrison-avenue-harrison.json Content license: https://skypsi.com/content-license.txt