Key Treatment Concepts

ASAM Criteria

Six-dimension assessment framework for determining appropriate level of care placement.

Sliding Scale Fees

Income-based payment adjustment making treatment accessible regardless of financial situation.

Evidence-Based Practices

CBT, DBT, motivational interviewing, contingency management, and MAT — validated by peer-reviewed research.

Continuum of Care

Progressive treatment model: detox → residential → PHP → IOP → outpatient → aftercare.

Rehab Centers in California

3031 Centers
8 Cities
Pop. 38,965,000
OD Rate 30.4/100K
Verified CentersN/A
Top CityN/A
Insurance AcceptedMost major plans
24/7 Helpline(833) 567-5838

California has 3031 licensed treatment facilities serving a population of 38,965,000. With an overdose rate of 30.4 per 100,000 residents, the state ranks #28 nationally. In 2022, 7,385 opioid-related deaths were reported. California has expanded Medicaid under the ACA, providing broader access to substance abuse treatment coverage. The West region state has a substance use disorder prevalence of 8.2% among adults.

Key Facts: California

Capital
Sacramento
Region
West
Medicaid Expanded
Yes
Naloxone Access
standing order
Good Samaritan Law
Yes
Overdose Rank
#28 of 50

Top Cities for Treatment in California

Los Angeles

126 centers

San Diego

82 centers

San Francisco

64 centers

San Mateo

53 centers

Sacramento

47 centers

Venice

41 centers

Lynwood

38 centers

Orange

37 centers

Frequently Asked Questions

How many rehab centers are in California?
California has 3031 licensed treatment facilities. These centers serve a population of 38,965,000, providing approximately 7.8 facilities per 100,000 residents.
Does California Medicaid cover rehab?
California has expanded Medicaid under the Affordable Care Act, which provides coverage for substance abuse treatment including detox, inpatient, and outpatient programs. Contact your local Medicaid office or call (833) 567-5838 for help verifying your coverage.
What is the overdose rate in California?
California has an age-adjusted overdose rate of 30.4 per 100,000 residents, ranking #28 out of 50 states. In 2022, the state reported 7,385 opioid-related deaths. The substance use disorder prevalence among adults is 8.2%.
What are the top cities for rehab in California?
The top cities for treatment in California are: Los Angeles (126 facilities), San Diego (82 facilities), San Francisco (64 facilities), San Mateo (53 facilities), Sacramento (47 facilities), Venice (41 facilities), Lynwood (38 facilities), Orange (37 facilities).
Does California have a Good Samaritan Law?
Yes, California has enacted a Good Samaritan Law that provides legal protections for individuals who seek emergency help during an overdose. This law encourages bystanders to call 911 without fear of prosecution.
How to find free rehab in California?
Free and low-cost treatment options in California include state-funded programs, SAMHSA grant-funded facilities, expanded Medicaid coverage, and nonprofit organizations. Many of the 3031 facilities in California offer sliding-scale fees. Call (833) 567-5838 for free help finding an affordable program.

Need Help Finding Treatment in California?

Our advisors can help you find the right program. Free, confidential, 24/7.

Call (833) 567-5838

All Treatment Centers in California

N

Nova Vitae

Woodland Hills, CA

C

Comfort Recovery

Cardiff by the Sea, CA

A
G
How much does rehab cost in California without insurance?
Without insurance, rehab costs approximately $1,000–$3,000/month for outpatient, $5,000–$20,000 for 30-day residential, and $12,000–$60,000 for 90-day inpatient. Sliding-scale fee programs and state-funded facilities may be available. Call (833) 567-5838 for options.
What are the best-rated rehab centers in California?
Quality depends on JCAHO/CARF accreditation, patient outcomes, staff credentials, and treatment specializations. Use our directory to compare by city and insurance, or call (833) 567-5838 for personalized recommendations.
RehabFlow Editorial Team
Clinical Content Review Board

Our content is written by health information specialists and fact-checked against SAMHSA data, CDC reports, and NIDA research. Every page is reviewed for clinical accuracy before publication.

SAMHSA-verified data
Clinically reviewed
Updated April 2026
Editorial Policy ›
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