Town Hall Address 17 N 100 E Monticello, UT 84535 United States- San Juan County Website https://www.monticelloutah.org Zoning 435-587-2271 17 N 100 E Monticello, UT 84535 United States Town Clerk 435-587-2271 Ext. 15 17 N 100 E Monticello, UT 84535 United States Water 435-587-2271 17 N 100 E Monticello, UT 84535 United States Sewer 435-587-2271 17 N 100 E Monticello, UT 84535 United States Town Hall Hours Monday - Thursday: 8:00 AM - 4:30 PM and Friday: 8:00 AM - 12:00 PM County San Juan