Town Hall Address 800 Washington St Mendota, IL 61342 United States- LaSalle County Website https://www.mendota.il.us/ Zoning 815-539-7459 800 Washington St Mendota, IL 61342 United States Fire District (815) 539-3434 610 S Main Mendota, IL 61342 United States Town Clerk (815) 539-7459 800 Washington St PO Box 710 Mendota, IL 61342 United States Water (815) 539-6307 1401 Lake Kakusha Dr Mendota, IL 61342 United States Sewer (815) 539-6307 1401 Lake Kakusha Dr Mendota, IL 61342 United States Tax Collector (815) 434-8233 707 E Etna Rd Ottawa, IL 61350 United States County LaSalle