Locations

Keystone Substance
Abuse Services

Keystone’s facility locations are in the heart of Rock Hill, South Carolina and serve York County and surrounding communities.

Adult Outpatient and Inpatient Residential and Withdrawal Management Services

199 S. Herlong Avenue (Main Office)
Rock Hill, SC 29732

Hours Outpatient: Mon–Thurs 8 am – 9 pm, Fri 8 am – 5 pm
Inpatient: 24/7/365
Phone Outpatient: (803) 324-1800
Inpatient: (803) 324-0404
After Hours and Emergency: (803) 324-0404
Fax Outpatient: (803) 328-3831
Inpatient: (803) 981-6982

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Keystone Youth Center

1668 Herlong Ct
Rock Hill, SC 29732

Hours Mon–Thurs 8 am – 5 pm
  Fri 8 am – 4 pm
   
Phone (803) 323-6384
Fax (803) 328-2860

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Keystone Prevention Center

1600 Ebenezer Rd
Rock Hill, SC 29732

Hours Mon–Thurs 8 am – 5 pm
  Fri 8 am – 4 pm
   
Phone (803) 324-4118
Fax (803) 324-5179
   

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