Utah law requires that you notify the county when you have property on which you have claimed the homeowner's exemption to which you are no longer entitled. A user account on the Portal will allow organizations to review and manage tax exemption applications from year to year in a single, centralized environment.Typically, you'll need to fill out a homestead exemption application with your county tax office. Find out if you qualify for the Primary Residence Exemption in Summit County, Utah. Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners. Note: These programs are only available to individuals whose primary residence is located in the State of Washington. Depending on your disability rating, income and the state you live in, you may be able to receive a partial or full property tax exemption.