Young Adult Residential Mental Health Treatment Programs

Young adults facing depression, anxiety, trauma, addiction, or other complex behavioral health challenges can access personalized residential treatment through Alter Behavioral Health. Its Southern California programs combine evidence-based therapies, psychiatric support, family participation, and whole-person care in a structured setting designed to help clients build stability, develop life skills, and move toward sustained recovery.

Young adult receiving compassionate mental health support in a calm residential treatment setting

Our Residential Mental Health Services

Explore structured behavioral health programs supporting residential treatment, crisis stabilization, and continued care after discharge.

Residential Treatment

Residential mental health treatment provides structured support for young adults experiencing complex psychiatric, trauma, substance use, or co-occurring challenges. Care includes personalized plans, psychiatric oversight, therapy, family participation, and whole-person support.

Crisis Stabilization

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

Partial Hospitalization

Partial Hospitalization Program care offers intensive outpatient support for mental health, trauma, and substance use concerns through therapies such as CBT, DBT, EMDR, and family therapy.

Whole-Person Treatment

Personalized Care For Lasting Stability

Alter Behavioral Health provides a connected continuum of care for young adults who need more than occasional therapy. Residential treatment combines individualized clinical planning with psychiatric support, evidence-based modalities, family participation, mindfulness, and practical life-skill development. Southern California facilities offer structured, peaceful environments where clients can focus on healing while preparing for continued stability and a thoughtful transition beyond treatment.

Young adult participating in a supportive residential therapy session
Support That Connects

Recovery In Progress

Discover how individualized treatment and continuing care can help clients and families move toward meaningful recovery.

"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."

Maria D.

"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 helped me get through one of the toughest times of my life. I want to say thank you to the treatment team for going above and beyond every day!"

Burgess W.

"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."

Maria D.

"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 helped me get through one of the toughest times of my life. I want to say thank you to the treatment team for going above and beyond every day!"

Burgess W.

"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."

Maria D.

"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 helped me get through one of the toughest times of my life. I want to say thank you to the treatment team for going above and beyond every day!"

Burgess W.
The Alter Difference

Why Choose Alter Behavioral Health?

Families receive compassionate, evidence-based support across a connected continuum of behavioral health care.

Continuum Of Care

Access connected residential, crisis, partial hospitalization, intensive outpatient, outpatient, and support services.

Clinical Expertise

Care is overseen by psychiatrists and doctorate- or master’s-level clinicians using evidence-based approaches.

Personalized Support

Individualized care plans address mental health, trauma, addiction, and co-occurring disorders together.

Always Available

Twenty-four-hour clinical and admissions support helps families navigate care across Southern California facilities.

Meet The Alter Behavioral Health Team

Compassionate clinicians support clients through personalized, evidence-based behavioral health care.

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

Does Medicare pay for residential mental health?

Alter Behavioral Health’s residential treatment information states that Medicare is not accepted. Insurance verification is available for listed major commercial carriers, and private-pay options are available. The main insurance providers we have high success rates with are Cigna, UMR, Anthem Blue Cross California, and Aetna. Coverage rules vary by plan and treatment setting, so families should discuss benefits, eligibility, and payment options with the admissions team before enrollment.

What does young adult residential mental health treatment include?

Which therapies are used in residential treatment?

Does Alter Behavioral Health treat co-occurring addiction and mental health conditions?

Where are the residential treatment programs located?

How does the admissions process begin?

Can family members participate in treatment?

What happens after residential treatment?

Have More Treatment Questions?

Speak with Alter Behavioral Health about consultation, enrollment, and available care.

Recognized And Accredited

Awards and Recognition

The Joint Commission Gold Seal of Approval accreditation

Gold Seal of Approval accreditation from The Joint Commission

Accreditation listed by Alter Behavioral Health.

Care Predictor Certified Treatment Facility recognition

Care Predictor Certified Treatment Facility

Recognition listed in Alter Behavioral Health credentials.

The Joint Commission National Quality Approval recognition

The Joint Commission National Quality Approval

Recognition listed by Alter Behavioral Health.

DHCS recognition and certification

DHCS recognition and certification

Recognition and certification listed by Alter Behavioral Health.

Best Residential Mental Health Treatment Center in California 2024 nomination

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

Nomination listed by Alter Behavioral Health.

Start A Conversation About Care

Contact Alter Behavioral Health to discuss consultation, insurance verification, private-pay options, and enrollment.

Contact Us Today

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