Keystone Substance Abuse Services
Rock Hill, SC. 29732
803-324-1800
Keystone Substance Abuse Services is the county largest provider of treatment and prevention services. Keystone is internationally accredited by the Commission on Accreditation of Rehabilitation Facilities (CARF) and adheres to the definition of addictive disease as developed by the American Society of Addiction Medicine (ASAM) and the standards for service placement. Keystone is a charter member of Behavioral Health Services Association of South Carolina. The South Carolina Department of Health and Environmental Control and the South Carolina Department of Alcohol and Other Drug Abuse Services annually inspect Keystone.