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Directory · California SAMHSA-verified · Updated October 2026

Rehab Centers in California

2,734 SAMHSA-verified addiction treatment facilities across 8+ cities in the West region. Los Angeles alone lists 236 centers. Filter by insurance carrier, level of care, or substance — then call the program directly or our free helpline if you want help narrowing down.

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Q

Quick answer — rehab in California

California has 2,734 licensed addiction treatment centers sourced from the SAMHSA federal registry. Medicaid is expanded here, covering detox, residential, IOP, and MAT programs for eligible residents. Top treatment hubs: Los Angeles (236 centers), San Diego (105 centers), Sacramento (64 centers), San Francisco (59 centers). Filter by insurance carrier, level of care, or substance, or call (833) 567-5838 for a free placement consultation.

Top cities for treatment in California

Three to eight metros concentrate most California addiction treatment capacity. Pick a city to see its full facility list with insurance filters.

California treatment centers

All 2,734 verified California listings. Showing 913–936 below; use the button on the right to filter by insurance, level of care, or substance.

Filter all 2,734 →
Alsana Westlake Village PHP/IOP — Westlake Village, CA
Verified

Alsana Westlake Village PHP/IOP

Westlake Village, CA · Est. 2018

Alsana Westlake Village PHP/IOP is a treatment provider in Westlake Village, CA, delivering outpatient care with an individualized, evidence-informed approach. Care here features levels of care includ…

All CA → View details →
Gratitude Lodge — LONG BEACH, CA
Verified

Gratitude Lodge

LONG BEACH, CA · Est. 2018
Residential

Gratitude Lodge provides detox care in LONG BEACH, CA, supporting individuals and families working toward lasting recovery. The facility provides levels of care including detox, a capacity of 2-5 beds…

TRICARE Private insurance +1 more
All CA → View details →
Inneractions Outpatient — Encino, CA
Verified

Inneractions Outpatient

Encino, CA · Est. 2013
Outpatient

Located in Encino, CA, Inneractions Outpatient offers outpatient care for people seeking help with substance use and related challenges. Care here features levels of care including outpatient, a capac…

Private insurance Self-pay
All CA → View details →
Solara Mental Health — San Diego, CA
Verified

Solara Mental Health

San Diego, CA · Est. 2013

Serving the San Diego, CA area, Solara Mental Health offers co-occurring mental health and outpatient care designed around each client's needs and stage of recovery. The program offers levels of care …

All CA → View details →
The Canyon at Santa Monica — Los Angeles, CA
Verified

The Canyon at Santa Monica

Los Angeles, CA · Est. 2012
Residential

The Canyon at Santa Monica is a treatment provider in Los Angeles, CA, delivering co-occurring mental health and outpatient care with an individualized, evidence-informed approach. Care here features …

Medicaid Self-pay
All CA → View details →
Cedar Recovery South Knoxville — Cardiff by the Sea, CA
Verified

Cedar Recovery South Knoxville

Cardiff by the Sea, CA · Est. 2015
Outpatient Detox IOP

Cedar Recovery South Knoxville provides outpatient and detox care in Cardiff by the Sea, CA, supporting individuals and families working toward lasting recovery. The program offers levels of care incl…

Medicare Medicaid +2 more
All CA → View details →
Bi-Bett Pueblos del Sol Men's Residential — Concord, CA
Verified

Bi-Bett Pueblos del Sol Men's Residential

Concord, CA
Outpatient

Serving the Concord, CA area, Bi-Bett Pueblos del Sol Men's Residential offers residential rehab and co-occurring mental health care designed around each client's needs and stage of recovery. The faci…

Medicaid
All CA → View details →
Harmony Grove Recovery — Escondido, CA
Verified

Harmony Grove Recovery

Escondido, CA · Est. 2018
Inpatient Outpatient Residential

Located in Escondido, CA, Harmony Grove Recovery offers co-occurring mental health and outpatient care for people seeking help with substance use and related challenges. The facility provides levels o…

TRICARE Private insurance +1 more
All CA → View details →
Palm Springs Behavioral Health By Ken Seeley — Palm Springs, CA
Verified

Palm Springs Behavioral Health By Ken Seeley

Palm Springs, CA

Palm Springs Behavioral Health By Ken Seeley is a treatment provider in Palm Springs, CA, delivering residential rehab care with an individualized, evidence-informed approach. The facility provides le…

All CA → View details →
John Muir Outpatient Behavioral Health — Concord, CA
Verified

John Muir Outpatient Behavioral Health

Concord, CA · Est. 1997

Located in Concord, CA, John Muir Outpatient Behavioral Health offers co-occurring mental health and outpatient care for people seeking help with substance use and related challenges. The facility pro…

All CA → View details →
Ascend Healthcare - Culver City Outpatient — Los Angeles, CA
Verified

Ascend Healthcare - Culver City Outpatient

Los Angeles, CA · JCAHO
Inpatient Residential

Ascend Healthcare - Culver City Outpatient is a treatment provider in Los Angeles, CA, delivering co-occurring mental health and outpatient care with an individualized, evidence-informed approach. The…

Private insurance Self-pay
All CA → View details →
Leona Valley Recovery Center — Leona Valley, CA
Verified

Leona Valley Recovery Center

Leona Valley, CA · Est. 2022
PHP Residential

Leona Valley Recovery Center provides co-occurring mental health and detox care in Leona Valley, CA, supporting individuals and families working toward lasting recovery. Care here features levels of c…

Private insurance Self-pay
All CA → View details →
Clearview Outpatient - Long Beach — Long Beach, CA
Verified

Clearview Outpatient - Long Beach

Long Beach, CA · Est. 2000
Outpatient PHP

Located in Long Beach, CA, Clearview Outpatient - Long Beach offers co-occurring mental health and outpatient care for people seeking help with substance use and related challenges. The facility provi…

Private insurance Self-pay
All CA → View details →
Avalon Malibu — Malibu, CA
Verified

Avalon Malibu

Malibu, CA · Est. 2012

Serving the Malibu, CA area, Avalon Malibu offers detox care designed around each client's needs and stage of recovery. Care here features levels of care including detox and typical program lengths ar…

All CA → View details →
Ascend Healthcare-The Oaks — Santa Clarita, CA
Verified

Ascend Healthcare-The Oaks

Santa Clarita, CA · Est. 2024
Inpatient Residential

Serving the Santa Clarita, CA area, Ascend Healthcare-The Oaks offers residential rehab care designed around each client's needs and stage of recovery. The facility provides levels of care including r…

Private insurance Self-pay
All CA → View details →
Connecticut Center for Recovery — Cardiff by the Sea, CA
Verified

Connecticut Center for Recovery

Cardiff by the Sea, CA · Est. 2022
Outpatient Detox IOP

Serving the Cardiff by the Sea, CA area, Connecticut Center for Recovery offers co-occurring mental health and outpatient care designed around each client's needs and stage of recovery. The program of…

Medicare Medicaid +2 more
All CA → View details →
Tree House Recovery for Men — Costa Mesa, CA
Verified

Tree House Recovery for Men

Costa Mesa, CA · Est. 2013
Outpatient IOP

Tree House Recovery for Men is a treatment provider in Costa Mesa, CA, delivering co-occurring mental health and outpatient care with an individualized, evidence-informed approach. The facility provid…

TRICARE Private insurance +1 more
All CA → View details →
Pure Recovery California — Oxnard, CA
Verified

Pure Recovery California

Oxnard, CA · JCAHO
Outpatient Detox IOP

Serving the Oxnard, CA area, Pure Recovery California offers residential rehab and co-occurring mental health care designed around each client's needs and stage of recovery. The facility provides leve…

Medicare Medicaid +2 more
All CA → View details →
MedMark Treatment Centers Sacramento — Sacramento, CA
Verified

MedMark Treatment Centers Sacramento

Sacramento, CA
Outpatient Detox MAT

MedMark Treatment Centers Sacramento is a treatment provider in Sacramento, CA, delivering outpatient care with an individualized, evidence-informed approach. The program offers levels of care includi…

Medicare Medicaid +3 more
All CA → View details →
Mindful Health Solutions Mission Viejo Mental Health Clinic — Mission Viejo, CA
Verified

Mindful Health Solutions Mission Viejo Mental Health Clinic

Mission Viejo, CA · Est. 2007
Outpatient

Serving the Mission Viejo, CA area, Mindful Health Solutions Mission Viejo Mental Health Clinic offers co-occurring mental health and outpatient care designed around each client's needs and stage of r…

Medicare Medicaid +1 more
All CA → View details →
Central County Adult MH Services Contra Costa County — Concord, CA
Verified

Central County Adult MH Services Contra Costa County

Concord, CA

Central County Adult MH Services Contra Costa County provides outpatient and detox care in Concord, CA, supporting individuals and families working toward lasting recovery. The facility provides level…

All CA → View details →
Blue Coast Behavioral Health — Newport Beach, CA
Verified

Blue Coast Behavioral Health

Newport Beach, CA · Est. 2018

Blue Coast Behavioral Health provides co-occurring mental health and outpatient care in Newport Beach, CA, supporting individuals and families working toward lasting recovery. The facility provides le…

All CA → View details →
San Luis Obispo County Mental Health North Clinic — Atascadero, CA
Verified

San Luis Obispo County Mental Health North Clinic

Atascadero, CA
Outpatient

San Luis Obispo County Mental Health North Clinic is a treatment provider in Atascadero, CA, delivering co-occurring mental health and outpatient care with an individualized, evidence-informed approac…

Medicare Medicaid +2 more
All CA → View details →
Aldea Behavioral Health Services — Napa, CA
Verified

Aldea Behavioral Health Services

Napa, CA · Est. 1972
Outpatient

Aldea Behavioral Health Services provides outpatient care in Napa, CA, supporting individuals and families working toward lasting recovery. The facility provides levels of care including outpatient an…

Medicaid Private insurance +1 more
All CA → View details →

California treatment in numbers

What the 2,734 SAMHSA-listed facilities in our California directory actually offer — counted from each program's federal listing, refreshed monthly.

MHPAEA parity insurance coverage
Under MHPAEA, most commercial plans in California cover addiction treatment at parity with medical care.

Insurance coverage in California

Medicaid Expanded under ACA

Under the Mental Health Parity and Addiction Equity Act (MHPAEA), commercial insurers in California must cover addiction treatment at parity with medical care. Because California expanded Medicaid under the ACA, residents at or below 138% of the federal poverty line have broad coverage for detox, residential, outpatient, and MAT programs.

Filter centers by specific carrier to see in-network options:

Typical costs without insurance

Five self-pay ranges map to the ASAM care levels — from $1,000/month outpatient to $80,000/month luxury residential. California programs cluster toward the upper end in major metros and the lower end in rural areas. Sliding-scale options are available in roughly 15% of listings.

Level of care Typical range
Outpatient$1,000–$3,000/month
IOP / PHP$3,500–$10,000/month
30-day residential$5,000–$20,000
90-day inpatient$12,000–$60,000
Luxury residential$30,000–$80,000/mo

California policy & overdose data

Four public-health indicators that directly affect treatment access and overdose risk in California: overdose rate, substance use prevalence, naloxone availability, and Good Samaritan legal protection. Reviewed October 2026; overdose figures reflect the most recent finalized state data.

Overdose rate
30.1 /100K

11,727 unintentional drug overdose deaths in 2023.

SUD prevalence
8.2%

Adults with substance use disorder (NSDUH 2023).

Naloxone access
standing order

Free from pharmacies, health departments, and harm-reduction orgs.

Good Samaritan Law
Yes

Legal protection when calling 911 during overdose.

In crisis? Help is immediate.

Immediate danger: call 911. Suicide or mental-health emergency: dial or text 988. Free SAMHSA treatment referrals 24/7: 1-800-662-HELP (4357). Placement help: (833) 567-5838.

Rehab centers in California that accept Medi-Cal

California Medicaid is called Medi-Cal, and California expanded it under the ACA — so most low-income adults qualify, no dependent-child requirement. Medi-Cal covers the full addiction continuum through the Drug Medi-Cal Organized Delivery System (DMC-ODS): withdrawal management (detox), residential treatment, intensive outpatient, standard outpatient, and all three MAT medications, authorized by medical necessity through your county behavioral-health plan. Of the 2,734 facilities in our California directory, 1328 list Medicaid/Medi-Cal among accepted payments. Searching for a rehab that takes Medi-Cal or inpatient rehab on Medi-Cal? Call the program directly or our helpline at (833) 567-5838 — placement specialists confirm your county Medi-Cal plan while you are on the line.

Free rehab in California and low-cost options

California funds treatment for residents who cannot pay through the county behavioral-health system: every county runs a Substance Use Disorder (SUD) access line that screens you and places you in county-contracted detox, residential, and outpatient programs — the practical route to free rehab in California. Dial 2-1-1 for your county SUD line, or the free 24/7 statewide SAMHSA National Helpline at 1-800-662-HELP (4357). Beyond county programs, 543 California facilities in this directory offer sliding-scale fees that adjust cost to income, and Salvation Army Adult Rehabilitation Centers across Los Angeles, San Diego, and the Bay Area provide free long-term residential recovery. Veterans qualify for full VA coverage separately.

How much does rehab cost in California — and how to pay

California carries the widest price range in the country because it holds both the nation’s largest public system and its most expensive luxury market. Industry estimates: medical detox roughly $300–1,500 per day, standard inpatient rehab $15,000–40,000 for 30 days, and Malibu/Orange County luxury programs $40,000–120,000+; IOP runs $3,500–12,000 per course, outpatient $60–200 per session. Most Californians pay far less: under federal parity plus California’s own strong parity laws, commercial plans — including Kaiser Permanente (dominant in California), Anthem Blue Cross, and Blue Shield of California — must cover addiction treatment at parity with medical care, and Medi-Cal covers low-income residents. See paying for treatment, Medicaid/Medi-Cal, and Aetna.

Are overdose deaths in California going down?

Yes — after a long climb, the turn is real. California recorded about 11,727 drug overdose deaths in 2023 (final CDPH data), but 2024 shows a sharp reversal statewide, led by its largest county: Los Angeles County fell from 3,137 deaths in 2023 to 2,438 in 2024 — the largest single-year decline in county history and the lowest total since 2019, with fentanyl deaths down 37%. The pattern tracks the national drop of roughly 23% in 2024. California credits saturation naloxone distribution (available at pharmacies without a personal prescription under a statewide standing order), expanded MAT, and harm-reduction outreach. Track live figures on the CDPH Overdose Surveillance Dashboard.

Rehab in Los Angeles, the Bay Area, San Diego, and beyond

California is really several treatment markets. for drug rehab in Los Angeles, Greater Los Angeles is the largest market — 236 centers plus Pasadena (39) and Long Beach — spanning county clinics to Malibu luxury. Orange County — the “Rehab Riviera” — runs on Costa Mesa (44), Santa Ana (43), Newport Beach, and Anaheim; verify licensing carefully here, since the region has both the best programs and the most patient-brokering complaints. The Bay Area centers on San Francisco (59), Oakland, and San Jose. For drug rehab in San Diego, the region lists 105 centers, and the Central Valley runs through Sacramento (64), Fresno (45), and Bakersfield. Whether you need rehab in Orange County, inpatient rehab in Southern California, or inpatient rehab in Northern California, residents can access any licensed program statewide through insurance, Medi-Cal, or the county system.

Reviewed by the RehabFlow Editorial Team · sourced from state health departments and the SAMHSA registry · last reviewed October 2026

Support at every stage of treatment in California

Getting into a program is one step of a longer arc. These guides cover what happens before admission, how families can help, and what keeps recovery going after discharge.

Admission & what to expect

Intake assessment, medical screening, the first 72 hours, phone rules, and a typical day in treatment — knowing the sequence lowers the fear of starting.

Family resources

If your loved one in California refuses help, evidence-based approaches like CRAFT engage 64–74% of treatment-refusing people — far more than confrontation.

Aftercare & staying sober

The transition home is the highest-relapse window. Aftercare planning, sober living, and knowing the relapse warning signs measurably improve long-term outcomes.

How to get started in California

Three steps separate "I need help" from "I’m in a program." Most placements finish step three within 24–72 hours — faster with our helpline.

1

Identify the right level of care

Two questions sort it: can you stop safely for 24 hours without medical help (if no, start with medical detox), and is home stable (if no, residential; if yes, outpatient or IOP).

2

Verify your insurance coverage

Under MHPAEA, commercial plans cover addiction care at parity with medical. Use the form below for a 5-minute confidential benefits check, or call us directly.

3

Contact a center & admit

Pick a facility from the listing above or let a placement specialist narrow down 2,734 options by your insurance, location, and preferred level of care — free, confidential.

Free insurance benefits check

A licensed placement specialist will verify in-network options in California, typical out-of-pocket costs, and level-of-care eligibility. Results in under 10 minutes.

No email collected. Your answers help the specialist shortlist centers faster — they’re not stored or shared.

Finding treatment in California

All 2,734 facilities listed above are pulled from the federal SAMHSA Behavioral Health Treatment Services Locator, which every licensed addiction and mental-health program must report to. We sync the roster monthly, cross-check contact numbers quarterly, and drop facilities that close, disconnect, or leave the SAMHSA registry within a single sync cycle. Each listing carries the same three baseline checks: the center is active in SAMHSA, its phone number answered on our last call, and its level-of-care and insurance tags mirror what the facility self-reports federally.

The right level of care depends on two clinical variables placement specialists assess first: withdrawal severity and home-environment stability. If alcohol, benzodiazepines, or opioids have been used daily in the past month, medical detox is usually required before any other step — withdrawal from those three classes can be dangerous without supervision. If the home environment is supportive, outpatient or IOP usually covers it. If home is chaotic or actively triggering, residential makes the rest of treatment possible by removing the immediate access problem.

How California Medicaid handles rehab

Because California expanded Medicaid under the Affordable Care Act, adults earning at or below 138% of the federal poverty line qualify automatically. Coverage includes detox, residential, PHP/IOP, standard outpatient, and MAT (methadone, buprenorphine, naltrexone). Filter the directory by Medicaid to see centers in the California provider network, or call (833) 567-5838 for a free, zero-commitment benefits check.

What to check on any California facility

Three questions separate legitimate programs from pay-to-play marketers. First, is the center accredited by JCAHO or CARF? Both are national bodies that audit clinical protocols, medication handling, and patient outcomes — accreditation is not required by law but is the strongest non-government quality signal. Second, does the center employ licensed clinicians (LCSW, LMFT, LPC, LADC, MD) rather than only "recovery coaches"? Third, does the center disclose outcomes data — completion rates, 30/90/365-day sobriety rates, readmission rates? For independent benchmarks by treatment type, review NIDA’s research-based principles.

Sources & methodology

  1. SAMHSA — Behavioral Health Treatment Services Locator. findtreatment.gov. Primary source for facility records (accessed October 2026).
  2. SAMHSA — 2023 National Survey on Drug Use and Health (NSDUH). Overdose rates, SUD prevalence.
  3. CDC — WONDER database. Opioid death counts.
  4. Kaiser Family Foundation — Medicaid expansion tracker, state-by-state policy data.
  5. Mental Health Parity and Addiction Equity Act (MHPAEA) — 42 U.S.C. § 300gg-26. U.S. Department of Labor summary.

Last verified October 2026. Directory sync: monthly. This page is informational and not a substitute for professional medical advice. Always call 911 in an emergency.

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RehabFlow catalog data

What our directory data shows

These figures come from our own catalog of 21,568 U.S. treatment facilities across 54 states and territories and 4,542 cities — counted directly from the listings on this site, not quoted from another source.

21,568
facilities in the catalog, each with its own listing page
4,836
list Joint Commission accreditation (22% of the catalog)
54
states & territories covered, 4,542 cities

Levels of care available in this state

Of the 2,734 facilities we list here across 445 cities:

989
Residential Rehab
1,439
Co-Occurring Mental Health
1,598
Outpatient
112
Sober Living
806
Detox

How we counted — and what we do not publish

Method: counts are computed directly from the 21,568 facility listings in the RehabFlow catalog, which are built from SAMHSA-sourced facility records plus each program’s own published service list. A facility is counted once per category regardless of how many locations it operates. Figures are recalculated daily, so they move as the catalog is updated. State counts reflect the facilities we list in this state and are recalculated as listings are added or updated.

What we deliberately do not publish: we do not report percentages of facilities by insurance carrier. Carrier fields in bulk facility records are self-reported and frequently list every major insurer, which would make any “X% accept this plan” figure misleading. Insurance acceptance changes contract by contract, so it has to be verified per facility — call the program or (833) 567-5838 and we will check it for you.

FAQ — rehab in California

How many rehab centers are in California?
California has 2734 licensed treatment facilities serving a population of 38,965,000. That is approximately 7 facilities per 100,000 residents. Every listing is sourced monthly from the SAMHSA Behavioral Health Treatment Services Locator and re-verified quarterly.
Does California Medicaid cover rehab?
California expanded Medicaid under the Affordable Care Act. Residents at or below 138% of the federal poverty line have broad coverage for detox, residential, IOP, outpatient, and MAT programs. Filter by Medicaid in our directory to find in-network centers, or call (833) 567-5838 for a free benefits check.
What is the overdose rate in California?
California has an overdose rate of 30.1 deaths per 100,000 residents. In 2023, the state reported 11,727 drug overdose deaths. Substance use disorder prevalence among adults is 8.2% (NSDUH 2023). Fentanyl now accounts for the majority of opioid deaths nationwide. Carry naloxone — it is available in most pharmacies without prescription.
What are the top cities for rehab in California?
The top cities for addiction treatment in California by facility count are Los Angeles (236 centers), San Diego (105 centers), Sacramento (64 centers), San Francisco (59 centers). Each city page includes the full facility listing with insurance filters and level-of-care options. Click any city above or call (833) 567-5838 for a shortlist tailored to your location.
Does California have a Good Samaritan Law?
Yes — California has enacted a Good Samaritan Law that shields bystanders from prosecution for minor drug-possession offenses when they call 911 during an overdose. Keep naloxone (Narcan) on hand if someone close is using. Call (833) 567-5838 if you need help finding treatment now.
How to find free rehab in California?
Free and low-cost treatment in California: state-funded programs, SAMHSA grant-funded centers, expanded Medicaid coverage, sliding-scale nonprofits, and tribal health programs. Call the SAMHSA National Helpline (1-800-662-HELP) for free referrals, or (833) 567-5838 for a personalized shortlist.
How much does rehab cost in California without insurance?
Typical self-pay in California: outpatient $1,000–$3,000/month, 30-day residential $5,000–$20,000, 90-day inpatient $12,000–$60,000, luxury residential $30,000–$80,000/month. Sliding-scale options are available in roughly 15% of listings. Call (833) 567-5838 for cost guidance specific to your situation.
What kinds of treatment centers in California are listed here?
All 2,734 listings are treatment centers in California sourced from the SAMHSA federal registry and re-verified quarterly. The directory covers the full range of California rehab centers: medical detox, inpatient and residential rehab, PHP, intensive outpatient (IOP), outpatient counseling, and MAT — including alcohol rehab centers in California and recovery centers in California focused on long-term sober support, from Los Angeles to the Bay Area to San Diego.
Are there rehab centers in California that accept Medi-Cal?
Yes — 1328 of the 2,734 California facilities in this directory list Medicaid/Medi-Cal among accepted payments. California expanded Medi-Cal under the ACA, and the Drug Medi-Cal Organized Delivery System covers detox, residential, outpatient, and MAT on medical necessity through county behavioral-health plans. Call (833) 567-5838 to confirm your county plan.
How do I find inpatient rehab on Medi-Cal in California?
Residential and inpatient treatment are covered under Drug Medi-Cal for members who meet ASAM medical-necessity criteria, authorized through your county behavioral-health plan. 567 California facilities in this directory offer residential care and many participate in Medi-Cal — call (833) 567-5838 or your county SUD access line to arrange placement.
How do I get free rehab in California?
Contact your county Substance Use Disorder access line (dial 2-1-1) — every California county screens residents and places them in county-contracted detox, residential, and outpatient programs regardless of ability to pay. The statewide SAMHSA National Helpline (1-800-662-4357) is free and confidential 24/7, and 543 facilities here offer sliding-scale fees.
Is the California Rehabilitation Center a drug rehab I can enter?
No. The California Rehabilitation Center in Norco is a state prison operated by CDCR, not a treatment facility you can check into. If you searched for it looking for addiction help, use the addiction-specific California rehab centers in this directory or call (833) 567-5838. Voluntary treatment is always available and far more effective than incarceration.
Is California Rehab Institute a drug or alcohol rehab?
No. California Rehabilitation Institute (Century City, Los Angeles) is a physical rehabilitation hospital — stroke, spinal cord, and injury recovery — not addiction treatment. For drug and alcohol rehab, use the addiction-specific listings here or call (833) 567-5838.
What is the Orange County "Rehab Riviera"?
It is the nickname for the dense cluster of addiction programs in coastal Orange County (Costa Mesa, Newport Beach, Santa Ana, Laguna). The area has both nationally respected programs and a documented history of patient-brokering fraud — always verify state licensing, accreditation, and that the facility does not pay for referrals before enrolling. Every listing here is SAMHSA-verified.
How do I choose the best rehab center in California?
Match the level of care to clinical need (detox first if withdrawal is dangerous), verify DHCS state licensing and accreditation (Joint Commission or CARF), confirm Medi-Cal or commercial-plan participation, and prefer programs offering MAT — 841 California facilities provide it. Be especially careful with licensing in Southern California given the region history of patient-brokering.
Are there detox centers across California?
Yes — 748 California detox and withdrawal-management programs are listed, concentrated in Los Angeles, San Diego, the Bay Area, and Orange County. Alcohol and benzodiazepine withdrawal can be medically dangerous — start with medically supervised detox, then step down to residential or outpatient care.
Are overdose deaths in California going down?
Yes. California recorded about 11,727 drug overdose deaths in 2023 (final CDPH data), and 2024 shows a sharp reversal — Los Angeles County fell from 3,137 to 2,438 deaths, the largest one-year drop in county history, with fentanyl down 37%. Naloxone is available at California pharmacies without a personal prescription — carry it.
Where are most rehab centers in California located?
By facility count: Los Angeles (236), San Diego (105), Sacramento (64), San Francisco (59), Fresno (45), Costa Mesa (44), Santa Ana (43), and Pasadena (39). Greater LA and coastal Orange County hold the densest clusters, but any Californian can access residential placement statewide through insurance, Medi-Cal, or the county system.

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Nearby states

Five reasons residents consider cross-border programs: wider provider networks, specialized luxury or gender-specific facilities, insurance portability via MHPAEA, out-of-state privacy, and shorter waitlists.

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Published by RehabFlow
SAMHSA-sourced directory · October 2026

Listings are sourced from the SAMHSA Behavioral Health Treatment Services Locator and cross-checked against public CDC and NIDA data. This page is informational, not medical advice — see our editorial policy for how we verify and update facts.

SAMHSA-verified data
Clinically reviewed
Updated October 2026
Editorial Policy ›
21,568 SAMHSA-verified centers · updated monthly