Town Hall Address 131 S. Depot St. Somonauk, IL 60552 United States- DeKalb County Website http://www.vil.somonauk.il.us/ Zoning 815-498-2558 131 S. Depot St. Somonauk, IL 60552 United States Fire District 815-498-2300 145 W. Dekalb St. Somonauk, IL 60552 United States Town Clerk 815-498-3500 131 S. Depot St. Somonauk, IL 60552 United States Water 815-498-2056 131 S. Depot St. Somonauk, IL 60552 United States Sewer 815-498-2056 131 S. Depot St. Somonauk, IL 60552 United States Tax Collector 815-498-3500 131 S. Depot St. Somonauk, IL 60552 United States Code Enforcement 815-498-2558 131 S. Depot St. Somonauk, IL 60552 United States County DeKalb