Residential Treatment
Structured residential care supports adults with depression, anxiety, bipolar disorder, schizophrenia, trauma, PTSD, ADHD, personality disorders, and co-occurring addiction through personalized, evidence-based treatment.
Alter Behavioral Health provides live-in therapy and residential mental health treatment for adults navigating complex psychiatric, trauma, addiction, and co-occurring disorders. With personalized care, evidence-based therapies, compassionate clinicians, and a full continuum of support, clients can step away from daily pressures and focus on meaningful healing in a structured Southern California treatment environment.

Explore connected levels of mental health, crisis, addiction, and dual-diagnosis care tailored to individual treatment needs.
Structured residential care supports adults with depression, anxiety, bipolar disorder, schizophrenia, trauma, PTSD, ADHD, personality disorders, and co-occurring addiction through personalized, evidence-based treatment.
Crisis Stabilization and Intervention provides acute support, clinical assessment, risk assessment, safety planning, psychiatric stabilization, and family sessions for adults experiencing mental health crises.
Partial Hospitalization offers intensive outpatient care for adults with mental health, trauma, and substance use disorders, using approaches such as CBT, DBT, EMDR, and family therapy.
Intensive Outpatient treatment provides structured mental health and substance abuse care at a lower level than residential or partial hospitalization programs, with individualized therapeutic support.
Dual-diagnosis care addresses addiction alongside mental health conditions such as depression, anxiety, trauma, and PTSD through coordinated treatment across multiple levels of care.
Live-in therapy creates space for adults to focus on recovery within a structured, supportive environment. Alter Behavioral Health combines person-centered care with CBT, DBT, EMDR, brainspotting, mindfulness, family therapy, and other evidence-based approaches. Residential treatment is available across Southern California, with care designed for mental health, trauma, addiction, and co-occurring disorders and supported by transition planning beyond discharge.

Discover how individualized care and coordinated treatment can support meaningful progress beyond immediate symptoms.
Families and referring professionals can access coordinated behavioral health care shaped around each person’s needs.
Connected residential, crisis, partial hospitalization, intensive outpatient, outpatient, and support services.
Psychiatrists and doctorate- or master’s-level clinicians provide individualized, evidence-based care.
Treatment addresses mental health, addiction, trauma, relationships, and long-term recovery needs.
Around-the-clock clinical and admissions support helps families and referring professionals navigate care.
Compassionate clinicians support individualized healing through coordinated behavioral health care.

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.
Live-in therapy, also called residential mental health treatment, provides a structured setting where adults receive ongoing clinical care while living at a treatment residence. The approach can support people managing complex psychiatric conditions, trauma, addiction, or co-occurring disorders. Care may include individual and group therapy, psychiatric support, family participation, wellness resources, and planning for a transition to less intensive services.
Speak with the admissions team about care options and next steps.
Alter Behavioral Health supports clients across Southern California and families seeking care nationwide.
Southern California
Primary Region
24/7 Support
Admissions Support
Nationwide
Care Access
Contact admissions to discuss availability, fit, and treatment options.
Accreditation listed by Alter Behavioral Health.
Recognition listed in Alter Behavioral Health information.
Recognition listed in Alter Behavioral Health information.
Recognition and certification listed by Alter Behavioral Health.
Contact Alter Behavioral Health to discuss residential treatment, insurance verification, private pay options, and appropriate next steps.
For immediate assistance, feel free to give us a direct call at (866) 248-9285.
For immediate assistance, feel free to give us a direct call at (866) 248-9285.