Crystal Lake Police Dept. Back to Search Crystal Lake Police Dept. Categories Government/Utility Companies/Schools Government Offices P.O. Box 597 , Crystal Lake , IL , 60039 United States 100 W. Municipal Complex , Crystal Lake , IL , 60014 United States (815) 356-3620 (815) 459-2020 (815) 477-4732 Send Email Contacts Primary James Black Chief Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone