Joint Commission State License 12-Step 24-Hour Clinical Care

Cornerstone of Southern California – Addiction Treatment, Rehab & Detox

Tustin, California · Residential + Outpatient

Cornerstone of Southern California, in Tustin, California, is a Joint Commission accredited facility offering residential alcohol and drug rehab treatment. Services include deto…

12-Step 24-Hour Clinical Care Aftercare Support Intensive Outpatient Intervention Services Medically Assisted Detox
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Levels of care
9
Setting
Residential + Outpatient
Treats
Alcoholism · Drug Addiction · Dual Diagnosis
Insurance
Accepted
Accreditation
Joint Commission · State License

About Cornerstone of Southern California – Addiction Treatment, Rehab & Detox

Cornerstone of Southern California, in Tustin, California, is a Joint Commission accredited facility offering residential alcohol and drug rehab treatment. Services include detox when needed, plus day treatment and intensive outpatient treatment for adults. Licensed sober living homes are available post treatment, as well as alumni programming. Cornerstone also treats co-occurring disorders.

Cornerstone of Southern California uses medication assisted treatment for detox. Medications used include Suboxone, naltrexone and Vivitrol.

Cornerstone’s residential treatment program provides 24 hour supervised treatment and monitoring by a team of psychiatrists, psychologists, therapists and nurses. Evidence based therapies including cognitive behavioral therapy, dialectical behavior therapy and eye movement desensitization and reprocessing are utilized, as well as yoga, meditation and mindfulness training. Individual, group and family sessions are provided. Special groups include LGBTQIA+ support groups. Relapse prevention education and support are included in the programming.

Cornerstone also offers nonresidential day treatment and intensive outpatient treatment. Therapy modalities are the same as in residential treatment and co-occurring disorders are addressed.

Licensed sober home residency is available following initial treatment. Alumni meetings and sober activities are also offered after treatment is completed.

Cornerstone is in network with many major insurance companies including Aetna, Blue Shield of California, Cigna, Humana, HealthNET and MHN. Contact your insurance provider to verify your specific coverage, because out of network benefits can vary.

Levels of care

Medically Assisted Detox

Medically supervised withdrawal management with 24/7 monitoring.

Partial Hospitalization Program

Full-day clinical programming with evenings spent at home or in sober living.

Intensive Outpatient

Several structured sessions a week while living at home.

Aftercare Support

Flexible scheduled treatment that fits around work, school or family.

Outpatient

Flexible scheduled treatment that fits around work, school or family.

Sober Living Homes

Supportive substance-free housing during the transition back to daily life.

Conditions treated & therapies

Insurance & payment

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Accreditations & licensing

Verify any accreditation or state license directly with the issuing body before choosing a provider.

Facility amenities & environment

Private Rooms
Private Setting
Residential Setting
Wifi

Hours & location

13682 Yorba St Tustin, CA 92780 Get directions

Frequently asked

What levels of care does Cornerstone of Southern California – Addiction Treatment, Rehab & Detox offer?
Cornerstone of Southern California – Addiction Treatment, Rehab & Detox provides 12-step, 24-hour clinical care, aftercare support, intensive outpatient, intervention services and medically assisted detox.
Does Cornerstone of Southern California – Addiction Treatment, Rehab & Detox offer medical detox?
Yes. Cornerstone of Southern California – Addiction Treatment, Rehab & Detox lists medically supervised detox among its levels of care, so withdrawal can be managed by clinical staff before stepping into further treatment.
Does Cornerstone of Southern California – Addiction Treatment, Rehab & Detox accept insurance?
Cornerstone of Southern California – Addiction Treatment, Rehab & Detox reports accepting Aetna, Beacon Health, Blue Cross Blue Shield, Children's Health Insurance Program (CHIP) and Cigna and other plans. Coverage and out-of-pocket cost depend on your individual plan, so the fastest way to confirm is a free benefits check by calling 1-888-685-2199.
Is Cornerstone of Southern California – Addiction Treatment, Rehab & Detox accredited?
Cornerstone of Southern California – Addiction Treatment, Rehab & Detox lists Joint Commission and State License. Accreditation and licensing can be verified independently with the issuing body before you choose a provider.
What does Cornerstone of Southern California – Addiction Treatment, Rehab & Detox treat?
Cornerstone of Southern California – Addiction Treatment, Rehab & Detox offers treatment for alcoholism, drug addiction, dual diagnosis and mental health and substance abuse and related substance use disorders, often alongside co-occurring mental health conditions.
Where is Cornerstone of Southern California – Addiction Treatment, Rehab & Detox located?
Cornerstone of Southern California – Addiction Treatment, Rehab & Detox is located in Tustin, California. Call our free, confidential helpline at 1-888-685-2199 to confirm admissions, availability and directions.
Medically reviewed by Dr. Laura Whitman, MD Last updated June 8, 2025

Directory information is compiled from public and provider-supplied records of addiction treatment centers across the United States. Please independently verify licensing, accreditation and insurance before choosing a provider.

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