Contact The Child Advocacy Center of McHenry County can be reached by mail, telephone, or email using one of the following: The Child Advocacy Center of McHenry County1 S. Virginia Street, Crystal Lake IL 60014 Phone: (815) 334-9597 Email: mmarinier@mchenrycac.org You can also fill out an online form to contact the Child Advocacy Center. ← BackThank you for your response. ✨ Name(required) Warning Email(required) Warning Website Warning Comment(required) Warning Warning. Submit Δ