Centrally Assessed Property Tax Payer Valuation Appeal Form. This website is provided for general guidance only.The Utah County Assessor's office classifies property, sets taxable values, and supports tax rate and collection processes. The personal property must have been out of Utah on the lien date (January 1). If the service member is stationed out of Utah, but the personal. Below are the forms related to personal property filing. Please complete the form accurately as it may result in the withdrawal of the primary residential exemption should it indicate you are receiving it in error. When are real estate and personal property taxes due? Statements are mailed out each year in November. If the service member is stationed out of Utah, but the personal property remains in Utah, the property is not exempt from property tax.