Town Hall Address 10 S Seymour Ave Grayslake, IL 60030 United States- Lake County Website https://www.villageofgrayslake.com/ Zoning 847-223-8515 10 S Seymour Ave Grayslake, IL 60030 United States Fire District (847) 223-8960 160 Hawley ST Grayslake, IL 60030 United States Town Clerk 847-223-8515 10 S Seymour Ave Grayslake, IL 60030 United States Tax Collector 847-377-2323 18 N County Street Room 102 Waukegan, IL 60085 United States County Lake