The Utah State Tax Commission defines tangible personal property as material items such as watercraft, aircraft, motor vehicles, furniture and fixtures. Below are the forms related to personal property filing.Learn about Business Personal Property Tax in Summit County, Utah. 2023 Business Personal Property tax filing is now available online. Taxable personal property is primarily that which is used in the operation of a business or mobile and manufactured homes not affixed to real property. If you are a business operating within Uintah County you should have received an annual Personal Property Tax Online Filing Notice in the mail. Affiliate nexus: Having ties to businesses or affiliates in Utah.