Depression Treatment and Rehab Centers in California

Find compassionate, evidence-based depression treatment and rehab centers in California through Alter Behavioral Health. Our full continuum of care includes residential treatment, crisis stabilization, partial hospitalization, intensive outpatient services, and dual-diagnosis support. Personalized treatment addresses depression alongside trauma, anxiety, addiction, and other complex needs, helping adults and families pursue stability, healing, and lasting recovery.

Clinician speaking with an adult client in a calm California behavioral health treatment setting

Our Depression Treatment Services

A full continuum of personalized care for depression, co-occurring disorders, trauma, and substance use needs.

Residential Treatment

Residential mental health treatment provides structured, supportive care for adults experiencing depression and complex psychiatric or co-occurring disorders, with individualized plans and evidence-based therapies.

Crisis Stabilization

Crisis Stabilization & Intervention offers acute support, clinical assessment, risk assessment, safety planning, psychiatric stabilization, and family sessions for adults experiencing a mental health crisis.

Partial Hospitalization

PHP provides intensive outpatient care for adults with depression, trauma, substance use, and other mental health conditions through CBT, DBT, EMDR, family therapy, and tailored clinical support.

Intensive Outpatient

IOP offers structured mental health and substance abuse treatment at a lower level of care than residential or partial hospitalization, with therapies tailored to individual needs.

Dual Diagnosis Treatment

Dual-diagnosis treatment addresses depression or other mental health conditions alongside drug or alcohol addiction through coordinated care across multiple treatment levels.

Trauma-Focused Care

Trauma-informed treatment incorporates modalities such as EMDR, DBT, CBT, mindfulness, brainspotting, and family participation for clients with trauma or PTSD concerns.

Whole-Person Care

Personalized Support for Depression Recovery

Alter Behavioral Health provides personalized depression treatment across Southern California, from crisis stabilization and residential care to PHP and IOP. Clinical teams use evidence-based therapies and whole-person supports to address symptoms, trauma, addiction, and related challenges together. California adults and families can access a coordinated continuum designed to support healing, improved functioning, and a gradual transition back to everyday life.

Therapist providing personalized depression support during a California treatment session
Hope Through Treatment

Recovery Stories

Personalized care and coordinated support help clients and families move toward stability, healing, and sustained recovery.

"This was my first treatment center and was the best experience in my life. The staff are amazing. The care goes beyond. You will not find a place like this anywhere else in California. If you are looking for help in recovery from addiction this is the place to be!..."

Valentina H.

"Spiritually, mentally and physically at a rock bottom, I cried out for help. Alter answered the call. Detoxing is (at least for me) a painful uncomfortable time, yet this program managed it with grace and diligence. This created trust in my care for when the real heavy lifting began. To..."

Chris S.
Chris S.

"Great staff and a wonderful program. Would absolutely recommend any stage of their treatment! Everyone was so supportive and wanted what was best for me, it was an incredible environment."

Rebekah S.

"Alter has been the BEST experience in our son's 7-year battle against Bipolar 1! The staff actually cares about their patients and family members. They truly understand the difference between stable, safe, and baseline. The staff was a lifesaver and also kept us informed, being extremely timely in responding to..."

Paul B.

"Alter is a great program, everyone there is awesome. The case manager and therapist are great and helped me a lot. The house is so beautiful and a very safe and comfortable setting. There is nursing and day staff always at the house 24/7 at the house- super helpful. We..."

Katelyn L.

"This was my first treatment center and was the best experience in my life. The staff are amazing. The care goes beyond. You will not find a place like this anywhere else in California. If you are looking for help in recovery from addiction this is the place to be!..."

Valentina H.

"Spiritually, mentally and physically at a rock bottom, I cried out for help. Alter answered the call. Detoxing is (at least for me) a painful uncomfortable time, yet this program managed it with grace and diligence. This created trust in my care for when the real heavy lifting began. To..."

Chris S.
Chris S.

"Great staff and a wonderful program. Would absolutely recommend any stage of their treatment! Everyone was so supportive and wanted what was best for me, it was an incredible environment."

Rebekah S.

"Alter has been the BEST experience in our son's 7-year battle against Bipolar 1! The staff actually cares about their patients and family members. They truly understand the difference between stable, safe, and baseline. The staff was a lifesaver and also kept us informed, being extremely timely in responding to..."

Paul B.

"Alter is a great program, everyone there is awesome. The case manager and therapist are great and helped me a lot. The house is so beautiful and a very safe and comfortable setting. There is nursing and day staff always at the house 24/7 at the house- super helpful. We..."

Katelyn L.

"This was my first treatment center and was the best experience in my life. The staff are amazing. The care goes beyond. You will not find a place like this anywhere else in California. If you are looking for help in recovery from addiction this is the place to be!..."

Valentina H.

"Spiritually, mentally and physically at a rock bottom, I cried out for help. Alter answered the call. Detoxing is (at least for me) a painful uncomfortable time, yet this program managed it with grace and diligence. This created trust in my care for when the real heavy lifting began. To..."

Chris S.
Chris S.

"Great staff and a wonderful program. Would absolutely recommend any stage of their treatment! Everyone was so supportive and wanted what was best for me, it was an incredible environment."

Rebekah S.

"Alter has been the BEST experience in our son's 7-year battle against Bipolar 1! The staff actually cares about their patients and family members. They truly understand the difference between stable, safe, and baseline. The staff was a lifesaver and also kept us informed, being extremely timely in responding to..."

Paul B.

"Alter is a great program, everyone there is awesome. The case manager and therapist are great and helped me a lot. The house is so beautiful and a very safe and comfortable setting. There is nursing and day staff always at the house 24/7 at the house- super helpful. We..."

Katelyn L.
The Alter Difference

Why Choose Alter Behavioral Health?

Our integrated approach connects compassionate clinical care with practical support for lasting recovery.

Full Continuum

Access residential, crisis, PHP, IOP, transitional, outpatient, and therapeutic support services through one care model.

Personalized Care

Individualized plans combine evidence-based treatment with whole-person support for California adults and families.

24/7 Support

Clinical and admissions support is available around the clock for clients, families, and referring providers.

Clinical Innovation

Care Predictor technology supports engagement and personalized treatment across Southern California programs.

Meet the Alter Behavioral Health Team

Compassionate clinicians support individualized treatment across California.

Portrait of Michael Castanon, Founder and CEO of Alter Behavioral Health

Michael Castanon

Founder and CEO

Michael Castanon is the Founder and CEO of Alter Behavioral Health, a Southern California-based organization dedicated to advancing the future of mental health care. With a vision rooted in combining scientific rigor, genuine compassion, and lasting transformation, Michael has built Alter Behavioral Health into a comprehensive provider offering a full continuum of care, including residential treatment, partial hospitalization, intensive outpatient, and outpatient services. He is committed to ensuring that every client receives individualized, evidence-based treatment delivered by skilled psychiatrists and clinicians. Under his leadership, the organization has earned The Joint Commission's Gold Seal of Approval and recognition as a Care Predictor Certified Treatment Facility. Michael's mission is to empower individuals and families across Southern California and nationwide to heal, thrive, and achieve sustained recovery through innovative, whole-person care.

Frequently Asked Questions

How long are mental health inpatient programs?

The length of a mental health inpatient or residential program varies according to clinical needs, safety considerations, progress, and the recommended level of care. Alter Behavioral Health offers residential treatment as part of a broader continuum that can include crisis stabilization, PHP, IOP, transitional, and outpatient services. During consultation, the treatment team can discuss appropriate placement and next steps for the individual.

What depression treatment programs are available in California?

What therapies are used for depression treatment?

Can depression treatment address addiction or dual diagnosis?

Who can benefit from residential depression treatment?

Does Alter Behavioral Health offer crisis stabilization?

Does Alter Behavioral Health accept insurance for depression treatment?

How can I begin depression treatment at an Alter facility?

Have More Treatment Questions?

Speak with the admissions team about care options and next steps.

California Service Areas

Alter Behavioral Health supports clients across Southern California and families seeking care nationwide.

Looking for Care in California?

Connect with Alter’s admissions team to discuss available treatment locations.

Accredited & Recognized

Awards and Recognition

The Joint Commission Gold Seal of Approval accreditation

Gold Seal of Approval accreditation from The Joint Commission

Accreditation from The Joint Commission.

Care Predictor Certified Treatment Facility recognition

Care Predictor Certified Treatment Facility

Recognition as a Care Predictor Certified Treatment Facility.

The Joint Commission National Quality Approval recognition

The Joint Commission National Quality Approval

National quality approval from The Joint Commission.

DHCS recognition and certification

DHCS recognition and certification

Recognition and certification from DHCS.

Nomination for Best Residential Mental Health Treatment Center in California

Nominated for Best Residential Mental Health Treatment Center in California, 2024

Nomination for a California residential mental health treatment distinction.

Take the Next Step Toward Healing

Contact Alter Behavioral Health to discuss depression treatment, insurance verification, admissions, and available levels of care.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (866) 248-9285.