Monticello DMV (Registration & Title) 117 South Main Assessor`s OfficeMonticello Utah 84535 UT San Juan 117 South Main Assessor`s OfficeDirections (435) 587-3221 Monday 08:00 am - 05:00 pm Tuesday 08:00 am - 05:00 pm Wednesday 08:00 am - 05:00 pm Thursday 08:00 am - 05:00 pm Friday 08:00 am - 05:00 pm Saturday Closed Sunday Closed