Keystone Substance Abuse Services

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Rock Hill, SC
Keystone Substance Abuse Services

Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Keystone Substance Abuse Services, 199 S Herlong Avenue, Rock Hill, SC.

Mission: To improve the quality of life for individuals and families by educating, treating, and providing support for those impacted by substance use

A non-profit organization serving as the Act 301 substance abuse authority in York County, SC

12/27/2025

Cannabis and cars don’t mix. Driving high slows your reaction time and puts everyone at risk.

Driving high gets you a DUI—don’t let it ruin your future.

12/26/2025

Our outpatient offices will be closed for the Christmas Holiday today, Friday, December 26th. We will reopen on Monday, December 29th. Our inpatient facility will remain open. In case of emergency, please contact them at 803-324-0404.

12/25/2025

Merry Christmas from all of us here at Keystone! May your day be filled with peace , laughter, and hope. 🎄❄️

12/25/2025

Our outpatient offices will be closed for the Christmas Holiday today, Thursday, December 25th through Friday, December 26th. We will reopen on Monday, December 29th. Our inpatient facility will remain open. In case of emergency, please contact them at 803-324-0404.

12/24/2025

Our outpatient offices will be closed for the Christmas Holiday today, Wednesday, December 24th through Friday, December 26th. We will reopen on Monday, December 29th. Our inpatient facility will remain open. In case of emergency, please contact them at 803-324-0404.

12/23/2025

December is National Impaired Driving Prevention Month. DUI can mean driving while under the influence of drugs or alcohol. Stay safe this holiday season, and remember not to drive under the influence.

12/23/2025

Our amazing staff got in the holiday spirit and created a holiday remix! 🎶 Take a listen to a cheerful twist on a classic-because supporting our patients is always in season. 🎄❤️

12/23/2025

⏳ Don’t wait — prices go up Dec 29!

Register now for the 7th Annual Detective Mike Doty Memorial Run and join us in honoring a hero.

🔗 bit.ly/mikedoty26

12/23/2025

As a reminder, our outpatient offices will be closed for the Christmas Holiday from Wednesday, December 24th through Friday, December 26th. We will reopen on Monday, December 29th. Our inpatient facility will remain open. In case of emergency, please contact them at 803-324-0404.

12/22/2025

Our outpatient offices will be closed for the Christmas Holiday from Wednesday, December 24th through Friday, December 26th. We will reopen on Monday, December 29th. Our inpatient facility will remain open. In case of emergency, please contact them at 803-324-0404.

12/20/2025

Fa la la la la… not “la la land” in a jail cell. A DUI can freeze your holiday plans and cost more than you think. Choose safety, choose life—drive sober every time.

12/18/2025

Stay festive by staying sober behind the wheel. 🎄 If You Feel Different, You Drive Different. Drive
High, Get a DUI. ☃

Address

199 S Herlong Avenue
Rock Hill, SC
29732

Website

https://www.keystoneyork.org/

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