Cornerstone of Southern California

California (CA) > Rehab Centers in Tustin, CA
(9 Reviews)
Treatment Effectiveness
Accommodations & Amenities
Meals & Nutrition
13682 Yorba St
Tustin, California 92780

Financial & Insurance Details

  • Insurance
  • Medicare
  • Medicaid
  • Financing

Treatment Center Settings

  • Beach Community

Facility Highlights

Extended Care

Recovery Management

We Accept Health Insurance

Treatment Center Philosophy

Cornerstone is a family-run alcohol and drug treatment center that’s been providing care for adult men and women since 1984. Located in Orange County, California, the substance abuse rehab offers a full continuum of care, including detox services, residential treatment, outpatient treatment, alternative sentencing, recovery homes, pain management services, and sober living. All programs are flexible and individualized, and focus on holistic methods to treat the body, mind, and spirit. Led by a diverse and highly trained professional team, Cornerstone provides its clients with all of the tools they’ll need to build a solid foundation for recovery.

Facility Center Details

  • Residential Treatment
  • Detox Services
  • Behavioral Disorder Treatment
  • Dual Diagnosis
  • Outpatient Services
  • Intensive Outpatient Services
  • Sober Living Home
  • Day School
  • Private Rooms
  • Pet Friendly
  • Exceptionally LGBT Friendly
  • Men Only
  • Women Only


  • CARF
  • ADP

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Meet The Staff

Jessica Stone
Executive Assistant

Jessica Stone has been a quiet but integral part of Cornerstone since 1984. She has helped in many areas of the company. She was born in India, but grew up in England, where she met and married Dr. Stone in 1967. Jessica is extremely proud of her 3 children, Simon, Samantha and Tim who work every day at Cornerstone. Mrs. Stone loves the beach especially in Hawaii where she has become a proficient body boarder. Jessica's special love is to spend time with her 6 grandchildren, attending their dance performances and music recitals. Even though Cornerstone is a huge part of her life, she has many other interests.

James Neumann, CAS
CEO and Director of Operations Certified Addiction Specialist

James has been with Cornerstone since 1998. He started on the graveyard shift and soon began working in the office. When the clients started to ask for him as their counselor James was given an opportunity to be a case manager. He has worked in all areas of Cornerstone, Outpatient and Alternative Sentencing. He has been Outpatient Manager, and about 2 years ago learned that Cornerstone had bigger things in store for him. He now runs the day to day (and night) operations of all Cornerstone facilities. James started work in the field in 1993, as a resident manager and program coordinator for a program treating veterans in San Bernardino California. James served in the US Marine Corps. He relaxes by running distances of 8-20 miles every morning. He gets up at 4:00 AM and starts his workout routine before most people open their eyes on the new day. He ran in the Boston Marathon in 2007, 2008, 2010 & 2012. He loves fishing and camping. He is married to Sandy Neumann, has 4 grown children and 3 grandchildren that he adores.