Town Hall Address 9501 W. Devon Ave. Rosemont, IL 60018 United States- Cook County Website https://www.rosemont.com/ Zoning 847-823-1159 9501 W. Devon Ave. Rosemont, IL 60018 United States Fire District 847-823-1134 9501 W. Devon Ave. Rosemont, IL 60018 United States Town Clerk 847-825-4404 9501 W. Devon Ave. Rosemont, IL 60018 United States Water 847-698-3744 9501 W. Devon Ave. Rosemont, IL 60018 United States Sewer 847-698-3744 9501 W. Devon Ave. Rosemont, IL 60018 United States Tax Collector 847-825-4404 9501 W. Devon Ave. Rosemont, IL 60018 United States Code Enforcement 847-823-1159 9501 W. Devon Ave. Rosemont, IL 60018 United States County Cook