Town Hall Address 330 N State St Mendon, IL 62351 United States- Adams County Website https://www.mendonillinois.com/ Zoning 217-936-2215 330 N State St Mendon, IL 62351 United States Fire District 217-936-2707 136 E Collins St Mendon, IL 62351 United States Town Clerk 217-430-5673 232 N Chestnut St Mendon, IL 62351 United States Water 217-936-2215 330 N State St Mendon, IL 62351 United States Sewer 217-936-2215 330 N State St Mendon, IL 62351 United States Tax Collector 217-277-2245 507 Vermont St, STE G12 Quincy, IL 62301 United States Code Enforcement 217-936-2215 330 N State St Mendon, IL 62351 United States Town Hall Hours Monday-Friday 8AM-12PM County Adams