Residential Treatment
Luxury residential treatment provides comprehensive inpatient support for adults experiencing mental health, trauma, and co-occurring substance use disorders in peaceful Southern California residences.
Discover personalized mental health and addiction treatment in California through Alter Behavioral Health’s full continuum of care. From luxury residential treatment to PHP and IOP services, adults receive evidence-based, trauma-informed support in peaceful Southern California settings. Care is tailored for complex psychiatric, co-occurring, and substance use disorders, with compassionate clinicians focused on lasting recovery and meaningful transformation.
Explore personalized behavioral health programs designed for varying levels of psychiatric, trauma, and substance use support.
Luxury residential treatment provides comprehensive inpatient support for adults experiencing mental health, trauma, and co-occurring substance use disorders in peaceful Southern California residences.
PHP offers intensive outpatient care for adults who need structured treatment without residential placement, using individualized evidence-based therapies for psychiatric and substance use concerns.
IOP provides structured mental health and addiction treatment at a lower level of care, helping clients continue therapeutic progress while practicing recovery skills in daily life.
Alter Behavioral Health combines evidence-based clinical therapies, compassionate support, and individualized care planning across its California programs. Residential treatment, PHP, and IOP services address mental health, trauma, addiction, and co-occurring disorders through approaches including CBT, DBT, EMDR, family therapy, mindfulness, and other therapeutic modalities. Southern California settings provide peaceful spaces for focused healing and gradual reintegration into everyday life.
Explore compassionate, individualized care designed to support stability, healing, and meaningful long-term recovery.
"Alter Behavioral Health truly saved my life. I have GAD, MDD, and ADHD, and in September of 2021 I was diagnosed with stage 3 cancer. I began spiraling into some really destructive tendencies and poor coping mechanisms. I was destroying my life. Finally, in early August of 2022, I decided..."
"My stay at Alter's Irvine facility was very pleasant. The staff and accomodations were excellect. They treated me with dignity and helped me get back on my feet. Mentally, emotionally, and physically. Highly recommend"
"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!..."
"I had a great experience in Alter's PHP/IOP/residential programs. I learned practical strategies to manage my mental health and received the care and support I needed to move forward with my life. The staff is dedicated and the therapists are exceptional. I would highly recommend Alter to anyone seeking treatment!"
"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."
"Absolutely amazing. The staff is more than accommodating. They really make your experience at this facility the best it can be. They pay attention to close detail and are on top of the game. My admin Jordan walked me through the steps and answered all of my questions in full..."
"I’m so grateful for Alter Mental Health. The staff went above and beyond to take care of my needs and provided me with a comfortable, safe place to heal. I can’t say enough about my case manager, Esteban, and the therapist, Neha; and the chef, Estelle, was amazing with five-star..."
"This is by far the best mental health treatment center I’ve experienced. From the admission staff to the therapists and counselors, I was treated with the utmost care and compassion. The staff and facilities are amazing and provided me with all the support and tools I needed to feel the..."
"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."
"I had a beautiful experience here and the staff was amazing. Everyone was so caring and sweet. They’ve turned my life around for the better."
"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..."
"Alter saved my life. I have been in treatment for over a year but really started working on myself after my suicide attempt in December. I came to Alter in December a very broken person. Alter has given me the tools, resources, support, and care to piece my life back..."
"Alter had been an incredibly unique opportunity for my family. If you or a loved one are facing a mental health crisis look into Alter. The staff was absolutely amazing and the treatment program is top notch."
"I had an incredible 30-day experience at Alter. Their staff is second to none, the care is absolutely extraordinary, and the accommodations were wonderful. Felt safe, secure, and seen throughout my treatment. I would not hesitate to recommend the Alter Behavioral Health program to anyone seeking mental health treatment."
"Our son has been struggling for 4 years with mental health issues. We’ve had some terrible experiences with other hospitals and getting his medications right. Once we heard about Alter Mental Health, we hoped this was an answer to our prayers. From the first time we contacted them, they have..."
"Alter Behavioral Health truly saved my life. I have GAD, MDD, and ADHD, and in September of 2021 I was diagnosed with stage 3 cancer. I began spiraling into some really destructive tendencies and poor coping mechanisms. I was destroying my life. Finally, in early August of 2022, I decided..."
"My stay at Alter's Irvine facility was very pleasant. The staff and accomodations were excellect. They treated me with dignity and helped me get back on my feet. Mentally, emotionally, and physically. Highly recommend"
"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!..."
"I had a great experience in Alter's PHP/IOP/residential programs. I learned practical strategies to manage my mental health and received the care and support I needed to move forward with my life. The staff is dedicated and the therapists are exceptional. I would highly recommend Alter to anyone seeking treatment!"
"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."
"Absolutely amazing. The staff is more than accommodating. They really make your experience at this facility the best it can be. They pay attention to close detail and are on top of the game. My admin Jordan walked me through the steps and answered all of my questions in full..."
"I’m so grateful for Alter Mental Health. The staff went above and beyond to take care of my needs and provided me with a comfortable, safe place to heal. I can’t say enough about my case manager, Esteban, and the therapist, Neha; and the chef, Estelle, was amazing with five-star..."
"This is by far the best mental health treatment center I’ve experienced. From the admission staff to the therapists and counselors, I was treated with the utmost care and compassion. The staff and facilities are amazing and provided me with all the support and tools I needed to feel the..."
"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."
"I had a beautiful experience here and the staff was amazing. Everyone was so caring and sweet. They’ve turned my life around for the better."
"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..."
"Alter saved my life. I have been in treatment for over a year but really started working on myself after my suicide attempt in December. I came to Alter in December a very broken person. Alter has given me the tools, resources, support, and care to piece my life back..."
"Alter had been an incredibly unique opportunity for my family. If you or a loved one are facing a mental health crisis look into Alter. The staff was absolutely amazing and the treatment program is top notch."
"I had an incredible 30-day experience at Alter. Their staff is second to none, the care is absolutely extraordinary, and the accommodations were wonderful. Felt safe, secure, and seen throughout my treatment. I would not hesitate to recommend the Alter Behavioral Health program to anyone seeking mental health treatment."
"Our son has been struggling for 4 years with mental health issues. We’ve had some terrible experiences with other hospitals and getting his medications right. Once we heard about Alter Mental Health, we hoped this was an answer to our prayers. From the first time we contacted them, they have..."
"Alter Behavioral Health truly saved my life. I have GAD, MDD, and ADHD, and in September of 2021 I was diagnosed with stage 3 cancer. I began spiraling into some really destructive tendencies and poor coping mechanisms. I was destroying my life. Finally, in early August of 2022, I decided..."
"My stay at Alter's Irvine facility was very pleasant. The staff and accomodations were excellect. They treated me with dignity and helped me get back on my feet. Mentally, emotionally, and physically. Highly recommend"
"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!..."
"I had a great experience in Alter's PHP/IOP/residential programs. I learned practical strategies to manage my mental health and received the care and support I needed to move forward with my life. The staff is dedicated and the therapists are exceptional. I would highly recommend Alter to anyone seeking treatment!"
"My experience was an amazing one. The staff were absolutely amazing. I couldn't give enough stars."
"Absolutely amazing. The staff is more than accommodating. They really make your experience at this facility the best it can be. They pay attention to close detail and are on top of the game. My admin Jordan walked me through the steps and answered all of my questions in full..."
"I’m so grateful for Alter Mental Health. The staff went above and beyond to take care of my needs and provided me with a comfortable, safe place to heal. I can’t say enough about my case manager, Esteban, and the therapist, Neha; and the chef, Estelle, was amazing with five-star..."
"This is by far the best mental health treatment center I’ve experienced. From the admission staff to the therapists and counselors, I was treated with the utmost care and compassion. The staff and facilities are amazing and provided me with all the support and tools I needed to feel the..."
"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."
"I had a beautiful experience here and the staff was amazing. Everyone was so caring and sweet. They’ve turned my life around for the better."
"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..."
"Alter saved my life. I have been in treatment for over a year but really started working on myself after my suicide attempt in December. I came to Alter in December a very broken person. Alter has given me the tools, resources, support, and care to piece my life back..."
"Alter had been an incredibly unique opportunity for my family. If you or a loved one are facing a mental health crisis look into Alter. The staff was absolutely amazing and the treatment program is top notch."
"I had an incredible 30-day experience at Alter. Their staff is second to none, the care is absolutely extraordinary, and the accommodations were wonderful. Felt safe, secure, and seen throughout my treatment. I would not hesitate to recommend the Alter Behavioral Health program to anyone seeking mental health treatment."
"Our son has been struggling for 4 years with mental health issues. We’ve had some terrible experiences with other hospitals and getting his medications right. Once we heard about Alter Mental Health, we hoped this was an answer to our prayers. From the first time we contacted them, they have..."
A comprehensive, compassionate approach supports clients and families through every stage of treatment.
Access residential, crisis, PHP, IOP, transitional, outpatient, and therapeutic support services.
Individualized plans address mental health, addiction, trauma, and co-occurring conditions together.
Psychiatrists and doctorate- or master's-level clinicians deliver evidence-based, trauma-informed treatment.
Peaceful California residences and coastal settings offer a supportive environment for focused recovery.
Compassionate leadership guides individualized care across Southern California.
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.
Luxury mental health facilities may provide several levels of care, including residential treatment, partial hospitalization, intensive outpatient services, crisis stabilization, and dual-diagnosis treatment. Alter Behavioral Health supports adults experiencing conditions such as depression, anxiety, bipolar disorder, trauma, PTSD, schizophrenia, borderline personality disorder, and co-occurring substance use concerns through individualized, evidence-based treatment.
Speak with the Alter Behavioral Health team about available California care options.
Alter Behavioral Health supports clients throughout Southern California and accepts inquiries from across the nation.
Southern California
Primary Region
Nationwide Support
Care Access
24/7 Support
Admissions
Contact the team to discuss programs, locations, and enrollment options.
Accreditation held by Alter Behavioral Health.
Recognition listed in Alter Behavioral Health information.
Recognition listed among company awards and recognitions.
Recognition and certification listed by the company.
Nomination listed among company recognitions.
Connect with Alter Behavioral Health to discuss treatment options, insurance verification, and enrollment for California programs.
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.