Town Hall Address 121 N LaSalle St Chicago, IL 60602 United States- Cook, DuPage County Website https://www.chicago.gov/city/en.html Zoning 312-744-5777 121 N LaSalle St Suite 905 Chicago, IL 60602 United States Fire District 312-745-3705 3510 Michigan floor 2 Chicago, IL 60653 United States Town Clerk 312-742-5375 121 N LaSalle St room 107 Chicago, IL 60602 United States Water 312-744-4420 1000 E Ohio St Chicago, IL 60611 United States Sewer 312-744-4420 1000 E Ohio St Chicago, IL 60611 United States Tax Collector 312-744-3356 121 N LaSalle St Room 106 Chicago, IL 60602 United States County Cook, DuPage