Los Angeles County Treatment Centers — Inpatient Rehab

Design for Change is a JCAHO-accredited drug and alcohol rehab on East Avenue J in Lancaster, California, where the provider says its program has run for more than 20 years with a deliberately low client-to-staff ratio. Care begins with sub-acute detox and continues into a 30-day residential track, with co-occurring mental health treatment, a family program and post-treatment support; a second Lancaster site operates on 16th Street West. Private insurance and self-pay are accepted, including plans from Aetna, Cigna, Blue Cross Blue Shield, Anthem, Kaiser Permanente, Humana, Magellan, Health Net, TRICARE and ComPsych.

Quest 2 Recovery provides drug and alcohol rehab in Lancaster, California. The program offers residential treatment and outpatient services with 24/7 confidential support. The facility serves the Antelope Valley region north of Los Angeles.

Alpha Recovery Center in Lancaster, California offers medically supervised drug and alcohol detoxification with 24/7 monitoring, followed by residential inpatient and outpatient levels of care. The evidence-based program treats substance use and co-occurring mental health disorders, and accepts most major insurance plans.

Elijah's House Treatment Center in Pasadena, California is a private residential estate at the foot of the Sierra Madre mountains, minutes from the Rose Bowl. The property features private bedrooms with en-suite bathrooms, acres of gardens and walking paths, and modern entertainment amenities. The clinical program spans medically supervised detox through residential treatment, partial hospitalization, and intensive outpatient care, allowing clients to step down through levels of care on the same campus.

BNI Treatment Centers offers residential mental health treatment for teens ages 12–17 in Agoura Hills, California. The program is physician-owned and operated, providing psychiatric care alongside individual and group therapy for conditions including depression, anxiety, and behavioral disorders. BNI integrates academics so teens can continue their education during treatment.

New Creation Treatment Centers' Claremont location provides residential substance use treatment and dual diagnosis care, with detox, residential rehabilitation, partial hospitalization and intensive outpatient levels available across the network. Detox is medically supervised, including sub-acute detox and Suboxone-assisted withdrawal. Treatment runs in gender-specific houses — separate facilities for women and for men — and there are tracks for faith-based recovery, trauma and PTSD, and co-occurring conditions including depression, anxiety, panic disorders and bipolar disorder. The organization is state and federally licensed, fully accredited, and certified by the California Department of Health Care Services. The program takes Medicare and private insurance, and state funding is available.

$$$$

$$$$

$$$$

Bright Mission Recovery is a residential addiction treatment center in Acton, in the high desert north of Los Angeles, which also offers detox, partial hospitalization, intensive outpatient care and sober living. It treats substance use alongside co-occurring mental health conditions, and both buprenorphine and naltrexone are available for opioid use disorder — so someone who wants medication-assisted treatment and someone who wants an antagonist rather than an agonist can both be accommodated. Payment is by private or military insurance, or out of pocket.

HealthRIGHT 360's Pomona location provides residential substance use disorder treatment as part of one of California's largest nonprofit healthcare networks. With roots tracing to the Haight Ashbury Medical Clinics (1967) and Walden House (1969), the organization now operates over 50 programs across 10 California counties, serving more than 45,000 people annually. Services span primary medical care, mental health, dental care, and substance use treatment, with specialized programs for women, children, the LGBTQ+ community, and justice-involved populations. The organization received $16.4 million in Proposition 1 funding to build a new behavioral health facility at the Pomona Family Campus. HealthRIGHT 360 serves all community members regardless of insurance status or ability to pay.

Hillcrest Adolescent Treatment Center provides residential treatment for teens ages 12–18 in Agoura Hills, California. The program is CARF-accredited and follows a 90-day treatment standard with individual therapy two to three times per week, plus experiential therapies including equine, surf, and expressive arts. Hillcrest treats dual diagnosis, mental health conditions, and substance use in a campus setting with outdoor spaces, a koi pond, and meditation gardens.

$$$$

CLARE|MATRIX provides residential and outpatient substance use treatment in Santa Monica, California, formed in 2018 by the merger of CLARE Foundation (founded 1970) and Matrix Institute on Addictions. It is the only medically supervised detox provider on the Westside of Los Angeles, offering 24/7 withdrawal management for drugs and alcohol. The program runs gender-responsive men's and women's residential treatment tracks lasting 30 to 90 days with case management support. Three outpatient locations in Santa Monica, Mid-City Los Angeles, and Ontario provide intensive outpatient, standard outpatient, and recovery support services. CLARE|MATRIX accepts Medicaid, Medicare, and private insurance.