Drug & Alcohol rehab center in Orange County, CA providing substance abuse treatment programs such as PHP, IOP programs, Outpatient rehab, sober living and detox. Coastline Behavioral Health LLC - Alcohol & Drug Rehab Orange County is an addiction treatment center located in the Orange County city of Huntington Beach, California. We provide comprehensive care designed to address emotional and behavioral problems such as depression, trauma and abuse, co-occurring disorders, codependency, and substance use and abuse disorders. By using a treatment program that includes services like group therapy, individual sessions, family education/therapy, alcohol/drug education, psycho-education, relapse prevention education, life planning and goal setting, personal and spiritual growth, Coastline Behavioral Health provides the support you need for successful recovery.