We list 10 rehabs for young adults in Costa Mesa, CA, based on SAMHSA's FindTreatment.gov data. Compare services, insurance accepted and accreditation, or call for free help choosing.
Young Adults: the basics
Rehab for young adults is addiction treatment designed for people roughly 18 to 25, a stage marked by college, first jobs and growing independence. Young adult programs combine proven therapies with life skills, education and career support, and peer groups of similar age. Many young adults pay through a parent's health plan, which can cover them until age 26. Read the full guide →
2026 rankings
Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank
Best for: Intensive outpatient careJoint CommissionNCQA
Why it made our list: Joint Commission and NCQA accredited; offers PHP, IOP, MAT, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
Best for: Detox and residential careJoint CommissionCARF
Why it made our list: Joint Commission and CARF accredited; offers detox, residential care, MAT, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
Best for: Intensive outpatient careJoint Commission
Why it made our list: Joint Commission accredited; offers PHP, IOP, outpatient care, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
Best for: Detox and residential careCARF
Why it made our list: CARF accredited; offers detox, residential care, MAT, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
Best for: Private-pay residential careJoint Commission
Why it made our list: Joint Commission accredited; offers detox, residential care, MAT, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.
Best for: Private-pay residential careJoint Commission
Why it made our list: Joint Commission accredited; offers detox, residential care, and dual diagnosis care; accepts private insurance.
Best for: Supervised detoxCOA
Why it made our list: COA accredited; offers detox, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Low-cost outpatient care
Why it made our list: Offers outpatient care; accepts self-pay and sliding-scale fees.
Costa Mesa, CA 92626
Joint Commission accredited
Levels of care
Payment accepted
Private insurance
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Joint Commission accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Joint Commission accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
CARF accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Joint Commission · CARF accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay +1 more
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Joint Commission accredited
Levels of care
Payment accepted
Medicare · Private insurance · TRICARE +1 more
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92626
Joint Commission · NCQA accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Joint Commission accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
COA accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Costa Mesa, CA 92627
Levels of care
Payment accepted
Self-pay · Sliding scale
“Get help” calls our free helpline, not this facility.
We list 10 rehabs for young adults in Costa Mesa, CA, based on SAMHSA's FindTreatment.gov data (updated October 2026).
Look for state licensing and accreditation (The Joint Commission or CARF), the right level of care for your needs, evidence-based therapies, and insurance compatibility. Read our guide to choosing a rehab or call (833) 589-6933 to talk it through.
Most private plans and Medicaid cover substance use treatment when it's medically necessary, but benefits vary by plan and network. Call (833) 589-6933 for a free, confidential benefits check.
Source: SAMHSA FindTreatment.gov, data updated October 2026. Listings are not endorsements.
