Choosing recovery is one of the most important and courageous steps you can take. Cornerstone Recovery is a long‑established Costa Mesa drug rehabilitation center and one of the most comprehensive addiction treatment providers in Southern California. From inpatient rehab and day treatment to flexible outpatient rehab and licensed recovery homes, we offer programs tailored to your needs. Our Costa Mesa team combines evidence‑based therapies with genuine compassion to support lasting healing for substance use and co‑occurring mental health challenges.
Are you looking for Rehab in Costa Mesa, CA?
You are in the right place.
Cornerstone is one of the longest-running, most comprehensive, and effective addiction treatment centers in Southern California. If you are looking for a facility that provides inpatient rehabilitation, extended care, day treatment, outpatient programs, or licensed recovery homes, Cornerstone can help.
Let's talk - Call Now (714) 547-5375
Why Cornerstone?
Our approach is completely flexible. If a client in a lower level of care is having a difficult time, instead of having to ask them to leave, we are easily able to move them up to a higher level of care without disrupting their experience with us. This ability is unlike many other treatment centers who generally need to move a client away from the newfound security they have discovered, if they are unable to manage with the level of care offered.
Steps to Recovery at Cornerstone of Southern California in Costa Mesa, CA
- Initial Assessment: Begin your recovery with an assessment to understand your unique addiction and mental health challenges to plan a personalized addiction treatment.
- Inpatient Rehab: Transition to our inpatient rehab for a structured recovery environment, where you can focus entirely on healing without external pressures.
- Dual-Diagnosis Treatment: Cornerstone is a recognized dual diagnosis treatment center that provides mental health therapy and addiction treatment side-by-side to improve care outcomes.
- Intensive Outpatient Program (IOP): For continued recovery with flexibility, Cornerstone’s Orange County IOP allows you to maintain daily responsibilities while receiving the support and treatment you need.
- Sober Living Homes: Choose from our licensed sober living homes in Costa Mesa, providing a structured and sober environment ideal for transitioning back to everyday life.
- Post-Treatment Care: Connect with Cornerstone’s alumni program and maintain ongoing attendance at support groups to solidify your long-term recovery, with continuous access to our resources and community support.
- Addiction Treatment Programs Costa Mesa, CA
- Specialized Substance Programs in Costa Mesa
- Costa Mesa Treatment Levels: Inpatient, Outpatient & Extended Care
- What We Treat at Our Treatment Center
- Dual Diagnosis & Mental Health Care in Costa Mesa
- Counseling Therapies We Offer
- What to expect during Rehab
- Admissions & Payment Options for Our Costa Mesa Rehab
- Women’s Rehab & Specialized Programs
- Find AA meetings in Costa Mesa, CA
- Costa Mesa Drug Rehab FAQs
- Directions from Costa Mesa, CA to our Medical & Rehab Center
- Getting Help for Drug Addiction in Costa Mesa
Addiction Treatment Programs Costa Mesa, CA

We realized that when dealing with sufferers of substance abuse disorders, we would often be dealing with traumatized individuals. One of the most vital elements for stabilizing a trauma survivor is being able to make them feel safe. By ensuring that anyone who enters our programs will be able to remain, whatever issue they present with, in one continuous program surrounded by staff they know and trust, as well as peers that they have come to call friends, means we can guarantee a sense of security for everyone who walks through our doors.
Drug Rehab Costa Mesa
Cornerstone offers comprehensive drug rehab programs in Costa Mesa, California personalized to the unique needs of each individual. Our Costa Mesa rehab center provides a range of treatment options including Costa Mesa inpatient rehab, day treatment, outpatient services, all aimed at tackling the complexities of drug addiction. Our approach focuses on delivering personalized care that addresses both the physical and psychological aspects of addiction, ensuring that each client receives the support necessary for a successful recovery journey.
Alcohol Rehab Costa Mesa
At Cornerstone, our alcohol rehab programs in Costa Mesa, CA, are structured to help individuals struggling with alcohol dependency achieve a lasting recovery. This Costa Mesa Alcohol rehab program provides ongoing rehab care from inpatient rehabilitation to ongoing outpatient rehab services, offering the tools and support needed at every recovery stage. We employ proven therapeutic strategies and relapse prevention techniques to empower clients, fostering the skills necessary for sustained sobriety and improved quality of life.
Types of Alcohol & Drug Rehab Programs in Costa Mesa, CA
Our Costa Mesa rehab facility at Cornerstone of Southern California provides a variety of tailored alcohol and drug rehab programs. These include intensive inpatient care that allows for deep focus on recovery in a supportive environment, and flexible outpatient or day treatment options that accommodate the demands of daily life. Each program is crafted to deliver effective treatment and support, ensuring personalized care that meets the specific needs of our clients.
- Fentanyl Rehab Orange County
- Heroin Addiction
- Cocaine Addiction
- Prescription Drug Addiction
- MDMA Addiction
- Cannabis Addiction
- New Psychoactive and Illicit Substance Legal High Addiction
- Amphetamine Addiction
- Ketamine Addiction
- Spice Addiction
- Stimulant Addiction
Specialized Substance Programs in Costa Mesa
Cornerstone provides a full continuum of care for individuals facing a wide range of substance use challenges. In addition to our core drug rehab and alcohol rehab programs, we offer comprehensive treatment for substances affecting many Costa Mesa residents today - including fentanyl, prescription medications, cocaine, heroin, MDMA, cannabis, amphetamines, and ketamine.
Each program includes:
- A complete clinical assessment
- Individualized treatment planning
- Evidence-based therapies such as CBT, DBT, ACT, and more
- Relapse-prevention strategies
- Access to group therapy, family involvement and continuing care
Our clinicians tailor care to each person’s needs, ensuring that your treatment strategy aligns with your substance-use history, mental health goals, and long-term recovery plan.
Costa Mesa Treatment Levels: Inpatient, Outpatient & Extended Care
If you are thinking about an alcohol or drug rehab treatment program and don't know where to begin, we can begin you on the right path to freedom from addiction. If you are looking for a facility that provides primary residential care, extended care, day treatment, day or evening outpatient programs, or a licensed recovery home, then look no further than Cornerstone of Southern California. If you have legal problems as a result of drug or alcohol use, we can advise you on the best route forward.

Personalized Treatment
At Cornerstone, recovery begins with a detailed assessment to understand each client’s history, challenges, and goals. This first step allows our team to create a tailored treatment plan and recommend the most effective level of care, whether inpatient, outpatient, or extended support. By starting with a personalized approach, we ensure every individual has the guidance and structure needed for lasting recovery.

Inpatient Rehab Costa Mesa
The structure that inpatient treatment at Cornerstone provides, creates an ideal environment for you to tackle a wide range of mental health and addiction issues; space away from high-risk environments allow for the removal of negative influences that may have contributed to your current mental health challenges, and gives you some time to develop mental clarity.

Intensive Outpatient Program
There are times in which a person isn’t able to, or doesn’t require, our inpatient treatment programs to address their addiction problem. In these instances, we adjust our standard approach and plan for addiction treatment around the individual to offer an Intensive Outpatient Program (IOP).

Partial Hospitalization Program
A Partial Hospitalization Program (PHP) is a type of treatment model that provides a thorough level of care to individuals suffering from mental, behavioral, and substance use disorders without requiring complete hospitalization or staying at a treatment facility. For drug recovery, this can be an important part of a person’s transition back to a healthy, happy, and sober life.

Extended Care
Cornerstone's Extended Care Program has been designed to bridge the gap between drug and alcohol treatment and a return to normal life. Historically we have witnessed clients that complete treatment without too much of a struggle. They leave with renewed hope and confidence for living a drug and alcohol-free life. Unfortunately, relapse still occurs. Our extended care program aims to negate the occurrence of relapse with a continuation of support and care.

Sober Living
Cornerstone’s licensed recovery homes are for adults aged 18 and over. There are six residents in each home, each residence has a live-in manager that can address any housing issues as they arise. You will have the freedom to come and go as you choose, and we encourage client independence. We see Cornerstone sober living as an opportunity to further the treatment process in a productive environment.
What We Treat at Our Treatment Center
At our addiction treatment center, we specialize in helping individuals overcome a wide range of substance abuse and behavioral addictions. Our team of trained professionals is dedicated to providing personalized care and support to each of our clients as they work towards achieving lasting recovery. Whether you are struggling with addiction to alcohol, drugs or with co-occurring disorders (dual diagnosis), we are here to help you find the path to healing and lasting change. Most common addictions we treat:
- Drug Addiction
- Alcohol Addiction
- Dual Diagnosis
- Fentanyl Addiction
- Meth Addiction
- Heroin Addiction
- Cocaine Addiction
Dual Diagnosis & Mental Health Care in Costa Mesa
Cornerstone is a well-established dual diagnosis treatment center that provides integrated care for individuals facing both addiction and mental health concerns.
Our clinical team is trained to address co-occurring conditions such as:
- Depression
- Anxiety disorders
- PTSD and trauma-related symptoms
- Emotional dysregulation
- Stress-related challenges
Clients receive coordinated care through individual therapy, group therapy, and evidence-based modalities such as CBT, DBT, ACT, mindfulness, and interpersonal therapy.
This integrated approach helps ensure that our Costa Mesa mental health facility provides comprehensive emotional and behavioral support while clients address substance use issues. Healing both sides of the equation leads to stronger, more sustainable recovery outcomes.
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Counseling Therapies We Offer
At our drug rehab center, we offer a range of therapies to help individuals struggling with substance abuse and addiction. Our team of skilled therapists and counselors are dedicated to providing evidence-based treatment that is tailored to the needs of each individual. Our therapies are designed to address the underlying causes of addiction and to support individuals in their journey to recovery. We believe that a comprehensive and personalized approach is the most effective way to support individuals in achieving lasting recovery. We offer a range of therapy options such us:
- Cognitive Behavioral Therapy (CBT)
- Dialectical Behavior Therapy (DBT)
- Acceptance and Commitment Therapy (ACT)
- Person-Centered Therapy
- Emotion-Focused Therapy (EFT)
- Mindfulness
- Acceptance and Commitment Therapy (ACT)
- Interpersonal Therapy (IPT)
- Transactional Analysis - Existential Therapy
- Psychoeducation
What to expect during Rehab
The specifics of what you can expect during rehab will depend on the type of treatment program you are in and your individual needs and goals. In general, however, you can expect the following during rehab:

Drug Addiction Assessment

Inpatient Treatment

Outpatient Treatment

Sober Living in Costa Mesa, CA
Admissions & Payment Options for Our Costa Mesa Rehab
Getting admitted to Cornerstone of Southern California is very simple. To start the admissions process, call us at (714) 844-6071 anytime. Our admissions experts are available around the clock to answer all your questions, discuss various payment options, and verify your health insurance coverage
Our team will verify your insurance benefits and outline available payment arrangements, ensuring clarity and comfort as you begin treatment at our Costa Mesa addiction treatment center. This makes high-quality medical inpatient rehab and outpatient rehab programs accessible to more individuals and families in our community.
Women’s Rehab & Specialized Programs
Recovery looks different for everyone. At our Costa Mesa treatment center, we offer gender‑responsive programs for women who prefer a safe, supportive environment among peers. These programs include trauma‑informed therapy, women‑only support groups and life‑skills coaching, addressing the unique challenges women face during recovery.
Couples and families are also welcome. We provide dedicated counseling and family‑therapy options, giving partners and loved ones a structured space to heal together. Our location serves Costa Mesa neighborhoods such as South Coast Metro, Westside, Eastside and Mesa Verde
Find AA meetings in Costa Mesa, CA
During the recovery process, it is essential to have a circle of peers who can support your journey and offer understanding. Recovery meetings provide an environment for those recovering from substance abuse disorders or addiction to share their stories in safety while also connecting with others on similar paths. In addition, various tailored meetings are available depending on demographics or sobriety topics such as those found after returning home from Costa Mesa rehab.
The nearest meeting place
Costa Mesa Drug Rehab FAQs
In most cases, drug and alcohol rehab is covered by insurance. The specific coverage will depend on the type of insurance plan you have and the specific treatment services that are being provided. Many insurance plans provide coverage for a wide range of addiction treatment services, including inpatient and outpatient treatment, medication-assisted treatment, and counseling services. It is worth noting that some insurance plans may have limits on the number of treatment days or sessions that are covered, and there may be certain exclusions or requirements that must be met in order for treatment to be covered. Contact us to verify your insurance.
At Cornerstone we specialize in treating individuals with co-occurring disorders, also known as dual diagnosis. We understand that addiction and mental health disorders often go hand in hand, and we believe in the importance of treating both conditions simultaneously in order to achieve long-term recovery.
There are many interesting and fun things to do in Costa Mesa, California. Here are some of the most popular places to visit, along with their addresses:
- South Coast Plaza - 3333 Bristol St, Costa Mesa, CA 92626
- Orange County Fairgrounds - 88 Fair Dr, Costa Mesa, CA 92626
- Segerstrom Center for the Arts - 600 Town Center Dr, Costa Mesa, CA 92626
- The Camp - 2937 Bristol St, Costa Mesa, CA 92626
- Costa Mesa Country Club - 1701 Golf Course Dr, Costa Mesa, CA 92626
- Cress Street Beach - Cress St, Costa Mesa, CA 92626
- The Lab Anti-Mall - 2930 Bristol St, Costa Mesa, CA 92626
- TeWinkle Park - 970 Arlington Dr, Costa Mesa, CA 92626
- The Triangle - 1875 Newport Blvd, Costa Mesa, CA 92627
- OC Fair & Event Center - 88 Fair Dr, Costa Mesa, CA 9262
Costa Mesa Districts: South Coast Metro, Westside, Eastside, Mesa Verde, College Park, Harbor Boulevard corridor, SoBeCa (South Bristol Street and California Street).
The average length of rehab is typically around 30 to 90 days. However, it is worth noting that the ideal length of rehab will vary from person to person, and it is important to choose a program that is tailored to your specific needs and goals.
The minimum length of rehab is usually a few days, although some programs may be shorter. These shorter programs are often referred to as "detox" programs, and they are designed to help the individual safely withdraw from the substance they are addicted to.
The maximum length of rehab is usually several months, although some programs may last longer. These longer programs are often referred to as "residential" programs, and they typically involve a more intensive level of treatment.
When you complete a rehab program, you will typically have a number of options for continuing your recovery journey. This may include developing an aftercare plan, returning to daily life, seeking ongoing support, and coping with challenges. The goal of rehab is to provide you with the tools and support you need to build a strong foundation for lasting recovery.
At our rehab center, the cost of drug and alcohol rehab can vary depending on the type of treatment being provided and the length of stay. Many insurance plans cover some or all of the cost of rehab, and we can help you verify your insurance to determine your coverage. If you have questions about the cost of rehab or how to pay for it, please don't hesitate to contact us for more information.
Directions from Costa Mesa, CA to our Medical & Rehab Center
The headquarters and medical center for rehab, where most people start rehab at Cornerstone of Southern California.
Cornerstone's Rehabilitation and Sober Living Facilities
Getting Help for Drug Addiction in Costa Mesa
If you or a loved one is struggling with drug or alcohol use, help is available right here in Costa Mesa. Your first step is a free and confidential addiction assessment. During this assessment, our team will discuss your history, explore the challenges you’re facing, answer questions and recommend treatment options aligned with your needs.
Cornerstone’s Costa Mesa rehab center serves individuals across the community, including South Coast Metro, Mesa Verde and Eastside neighborhoods. We offer a full range of treatment levels:
- Medical inpatient rehab with 24/7 support
- Day treatment (PHP) for structured daytime care
- Flexible outpatient rehab in Costa Mesa for those balancing work, school or family
- Extended care and sober-living options for long-term stability
Whether you are searching for drug rehab Costa Mesa, addiction treatment Costa Mesa, or simply where to get help for drug addiction, Cornerstone is prepared to guide you through each step of the recovery process.
Contact us to get help
We are experts in the field of addiction and recovery and accept all age groups, from teenagers to adults. Before the treatment process, we perform a tailored assessment to assist our clients best. In the same manner, we offer great aftercare and an outcome follow-up after discharge to assist in long-term recovery.
Get in contact today to find out how we can help you or a loved one overcome addiction.


