# 3800 W Walton Blvd School in Michigan. It covers 12,724 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 3800 W Walton Blvd. School in Michigan. Property ID spp1czw436xsr6r. ## Facts **Facts about 3800 W Walton Blvd** | Fact | Value | Source | | --- | --- | --- | | Address | 3800 W Walton Blvd, MI 48329 | [Overture Maps addresses](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Place name | Grayson Elementary School | [Overture Maps places](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Place type | elementary school | [Overture Maps places](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Footprint | 12,724 square feet | [USA Structures](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Perimeter | 583.74 feet | [USA Structures](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Height | 11.15 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Height survey year | 2017 | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Stories | 1 story | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#how-we-know) | | Exterior wall area | 6,512 square feet | [SkyPSI estimator](https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/#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 | $1,000 | $2,000 | $3,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $2,000. ## Similar buildings nearby - [School](https://skypsi.com/property/mi/detroit/sppx39c6knaegt5-education/) - [School](https://skypsi.com/property/mi/detroit/spz65xfdrw60c6g-education/) - [3857 Athens Ave](https://skypsi.com/property/mi/detroit/sp7815atawhm235-3857-athens-ave/) - [School](https://skypsi.com/property/mi/detroit/spn891dbxyecba8-education/) - [School](https://skypsi.com/property/mi/detroit/spkaw28m5rwapvv-education/) - [School](https://skypsi.com/property/mi/detroit/sp1k619hkqmw51d-education/) - [4008 Joyce Ave](https://skypsi.com/property/mi/detroit/spd25tr44tgexdd-4008-joyce-ave/) - [2959 Loon Lake Shores Rd](https://skypsi.com/property/mi/detroit/sphk8x8fpkg6h44-2959-loon-lake-shores-rd/) ## 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. - [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures. - [Google Open Buildings](https://sites.research.google/open-buildings/): Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme. - [Overture Maps addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses theme. - [Overture Maps building footprints](https://opendatacommons.org/licenses/odbl/1-0/): Building outlines, heights and floor counts from the Overture Maps buildings theme. - [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. 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: USA Structures, Google Open Buildings, Overture Maps addresses, Overture Maps building footprints, Overture Maps places, SkyPSI estimator. 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 data from Google Open Buildings, reached through Overture Maps Foundation, overturemaps.org. https://sites.research.google/open-buildings/ Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/ Building footprints from Overture Maps Foundation, including OpenStreetMap contributors, Microsoft, Esri Community Maps contributors and USGS, under the Open Database License (ODbL). https://opendatacommons.org/licenses/odbl/1-0/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Page: https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd/ JSON: https://skypsi.com/property/mi/detroit/spp1czw436xsr6r-3800-w-walton-blvd.json Content license: https://skypsi.com/content-license.txt