Town Hall Address 745 Second St LaSalle, IL 61301 United States- LaSalle County Website https://www.lasalle-il.gov/ Zoning 815-223-3755 745 Second St LaSalle, IL 61301 United States Fire District 815-223-3755 5565 1227 Fifth ST LaSalle, IL 61301 United States Town Clerk 815-223-3755 745 Second St LaSalle, IL 61301 United States Tax Collector (815) 434-8233 707 E Etna Rd Ottawa, IL 61350 United States County LaSalle