Town Hall Address 120 School Rd. Lavon, TX 75166 United States- Collin County Website https://cityoflavon.com Town Clerk 972-843-4220 120 School Rd. Lavon, TX 75166 United States Code Enforcement 972-843-4220 120 School Rd. Lavon, TX 75166 United States Town Hall Hours Monday - Friday: 8:00 AM - 5:00 PM County Collin