# 447 East Boston Post Road, Mamaroneck Industrial in Mamaroneck, New York. It covers 6,263 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 447 East Boston Post Road, Mamaroneck. Industrial in Mamaroneck, New York. Property ID sph3m34y6r0mgyj. ## Facts **Facts about 447 East Boston Post Road, Mamaroneck** | Fact | Value | Source | | --- | --- | --- | | Address | 447 East Boston Post Road, Mamaroneck, NY 10543 | [Overture Maps addresses](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Building type | Industrial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Place name | McMichael Yacht Brokers | [Overture Maps places](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Place type | boat dealer | [Overture Maps places](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Footprint | 6,263 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Perimeter | 357.15 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Height | 14.94 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Stories | 1 story | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Exterior wall area | 5,334 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Parcel number | 554803154.58-1-13 | [County and state public records](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#how-we-know) | | Land use | 449 Other storage, warehouse and distribution facilities | [County and state public records](https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/#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 | $1,500 | $2,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $1,500. ## Similar buildings nearby - [199 West Boston Post Road, Mamaroneck](https://skypsi.com/property/ny/new-york/sp859gv3987yph1-199-west-boston-post-road-mamaroneck/) - [910 Stuart Avenue, Mamaroneck](https://skypsi.com/property/ny/new-york/spj09n27nayg4vn-910-stuart-avenue-mamaroneck/) - [525 Fenimore Road, Mamaroneck](https://skypsi.com/property/ny/new-york/sp8zeqs8bzj0ppb-525-fenimore-road-mamaroneck/) - [610 Fayette Avenue, Mamaroneck](https://skypsi.com/property/ny/new-york/spqk14bqp2emgg6-610-fayette-avenue-mamaroneck/) - [1965 Palmer Avenue, Larchmont](https://skypsi.com/property/ny/new-york/spz04z9s5kx5zpy-1965-palmer-avenue-larchmont/) - [65 Plain Avenue, New Rochelle](https://skypsi.com/property/ny/new-york/spk7rn97sjtnhrg-65-plain-avenue-new-rochelle/) - [499 5th Avenue, New Rochelle](https://skypsi.com/property/ny/new-york/sphwxgqnmqp5vnv-499-5th-avenue-new-rochelle/) - [5 Plain Avenue, New Rochelle](https://skypsi.com/property/ny/new-york/spvzp5z3nkdnbxv-5-plain-avenue-new-rochelle/) ## 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. - [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: County and state public records, USA Structures, Google Open Buildings, Overture Maps addresses, Overture Maps building footprints, Overture Maps places, SkyPSI estimator. 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 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/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck/ JSON: https://skypsi.com/property/ny/new-york/sph3m34y6r0mgyj-447-east-boston-post-road-mamaroneck.json Content license: https://skypsi.com/content-license.txt