McHenry County Mental Health Board is a mental health clinic and addiction treatment center located at 620 Dakota St, Crystal Lake, IL 60012. With a focus on providing accessible mental health services, the center offers support for individuals facing various challenges. Operating hours are Monday through Friday from 8:30 AM to 4:30 PM, and they are closed on weekends. For more information, visit their website at mc708.org or call +18154552828.