Town Hall Address 425 Hillside Ave Hillside, IL 60162 United States- Cook County Website http://www.hillside-il.org/ Zoning 708-449-6450 425 Hillside Ave Hillside, IL 60162 United States Fire District (708) 547-8684 523 N Wolf Rd Hillside, IL 60162 United States Town Clerk 708-202-4325 425 N Hillside Ave Hillside, IL 60162 United States Tax Collector (312) 443-7550 118 North Clark Street Chicago, IL 60602 United States County Cook