Top Westlake Village Area Drug and Alcohol Addiction Centers
The Westlake Village area sits at the eastern end of Thousand Oaks around Westlake Lake, on the Los Angeles County line.
This directory lists 5 addiction treatment facilities within five miles of Westlake Village Area, covering detox, residential, outpatient and dual diagnosis care across Thousand Oaks and the wider county.
5 Drug and Alcohol Rehab Treatment Centers in Westlake Village Area, CA
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Drug and Alcohol Rehabs in Westlake Village Area, Thousand Oaks
The Westlake Village area sits at the eastern end of Thousand Oaks around Westlake Lake, on the Los Angeles County line.
The lake was built in 1966 as the centerpiece of a 12,000-acre American-Hawaiian Steamship Company development, and the boundary runs through it — part of the community is in Ventura County and part in Los Angeles County.
The Four Seasons and several corporate headquarters sit around the lake, and the Santa Monica Mountains rise immediately south toward Malibu.
Highway 101 runs through, putting Agoura Hills ten minutes east and Thousand Oaks five minutes west.
California recorded a drug overdose death rate roughly 6 percent below the national figure in 2024, and Southern California drove much of the improvement.
Los Angeles County recorded a 22 percent fall in overdose deaths that year, from 3,137 to 2,438, the largest single-year drop in its history, and fentanyl deaths fell below methamphetamine deaths for the first time in years.
Methamphetamine was involved in 62 percent of accidental overdose deaths in Los Angeles County in 2024, up from 60 percent, while fentanyl involvement fell to 52 percent from 64 percent.
Ventura County participates in the Drug Medi-Cal Organized Delivery System, live since December 2018, which covers a full continuum of care assessed against American Society of Addiction Medicine criteria.
Which Level of Care Do You Need
The counts below reflect facilities in or near Westlake Village Area — 5 within five miles.
Medically Supervised Detox
Detox manages withdrawal under clinical observation, usually across several days, and is where treatment begins for anyone physically dependent on alcohol, opioids or benzodiazepines. Around 1 of the facilities within five miles offers detox, with 1 offering rehab transfers.
Inpatient Residential Treatment
Residential care provides a structured live-in setting for weeks or months. About 3 of the facilities offer residential care.
Outpatient, IOP and PHP Treatment
Outpatient care lets you live at home while attending sessions. Around 4 facilities offer outpatient services and 2 offer PHP. Four offer telehealth and 1 offers medication-assisted treatment. None offer IOP.
Dual Diagnosis and Co-Occurring Disorders Treatment
Dual diagnosis care treats a substance use disorder and a mental health condition together rather than in sequence. Around 3 of the facilities indicate they treat co-occurring disorders.
Sober Living Homes and Transitional Living
Sober living homes provide drug-free housing after formal treatment ends. This directory does not list recovery residences separately. California certifies recovery residences through the California Consortium of Addiction Programs and Professionals and regional affiliates of the National Alliance for Recovery Residences.
Addiction Treatment Cost and Insurance Coverage
Two of five facilities accept Medi-Cal, and residential care is the strength here rather than the step-down levels.
How Much Does Addiction Rehab Cost in Westlake Village Area
Residential rehab in Thousand Oaks runs roughly $6,000 to $45,000 a month, with Conejo Valley luxury and executive programs reaching $30,000 to $90,000 or more. Detox runs $7,000 to $24,000 monthly, PHP $7,500 to $15,000 and outpatient $1,200 to $5,000. IOP at $3,000 to $10,000 means traveling. Of the 5 facilities, 2 accept Medi-Cal and 1 accepts Medicare.
Ask whether a program bills your insurer directly or expects you to pay and reclaim afterward. Out-of-network reimbursement is common in this market and the difference up front is substantial.
| Level of care | Monthly | Daily |
|---|---|---|
| Medical detox (inpatient) | $7,000 – $24,000 | $230 – $800 |
| Residential inpatient | $6,000 – $45,000 | $200 – $1,500 |
| PHP | $7,500 – $15,000 | $250 – $500 |
| IOP | $3,000 – $10,000 | $100 – $330 |
| Outpatient | $1,200 – $5,000 | $40 – $170 |
| Level of care | Monthly | Daily |
|---|---|---|
| Residential inpatient | $30,000 – $90,000+ | $1,000 – $3,000+ |
| PHP | $15,000 – $35,000 | $500 – $1,150 |
| IOP | $9,000 – $24,000 | $300 – $800 |
| Outpatient | $5,000 – $15,000 | $170 – $500 |
Does Insurance Cover Rehab in Westlake Village Area
Yes. Federal parity law requires most health plans to cover substance use treatment on terms comparable to medical care. Among the 5 facilities in or near Westlake Village Area, 0 accept Medi-Cal, 0 accept Medicare and 3 accept TRICARE. Gold Coast Health Plan is the Medi-Cal managed care plan across Ventura County.
Ask about Spanish-language provision when you call. Treatment works considerably better in a first language, and several county providers offer it. California extended full-scope Medi-Cal to income-eligible adults regardless of immigration status in 2024.
Free and State-Funded Addiction Rehab in Westlake Village Area, Thousand Oaks
Publicly funded options are narrower here than in the rest of Ventura County.
Two of the 5 facilities accept Medi-Cal, and an eligibility check costs nothing.
Ventura County Behavioral Health runs the DMC-ODS access line, which assesses and refers countywide at no charge, on 844-385-9200.
The California Naloxone Distribution Project supplies naloxone free to community organizations, and Never Use Alone on 800-484-3731 stays on the line with people using alone.
More Help and Recovery Support
Los Robles Regional Medical Center in Thousand Oaks is the county’s level two trauma center. Ventura County Medical Center is the county hospital and serves people regardless of ability to pay, and the UCLA academic centers are around 45 minutes south-east.
Alcoholics Anonymous meets daily across the Conejo Valley and into Agoura Hills. Narcotics Anonymous operates a large Southern California region. Refuge Recovery meets locally. Adjacent Downtown Thousand Oaks, Agoura Hills and Calabasas carry further options.
Free lines, available now
988 Suicide & Crisis Lifeline — call or text 988, free and confidential, 24 hours a day
CalHOPE Warm Line — 833-317-4673
Never Use Alone — 800-484-3731
SAMHSA National Helpline — 1-800-662-4357
Rehab Seekers is a directory. The information on this page is for general reference and is not medical advice. Decisions about treatment should be made with a licensed clinician who knows your history. If you or someone you care about is in immediate danger, call 911.
References and Citations
Los Angeles County Department of Public Health — Drug Overdoses in Los Angeles County, 2025 data reports.
California Department of Public Health — Overdose Surveillance Dashboard and opioid overdose death briefs.
California Department of Health Care Services — Drug Medi-Cal Organized Delivery System county participation, January 2025.
Rehab Seekers directory listings, Westlake Village Area, August 2026.
Rehab Seekers market rate research, California standard and luxury programs, 2026. Ranges are indicative and vary by facility, length of stay and coverage.