We list 3 rehabs for young adults in San Marcos, 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: Supervised detoxCARF
Why it made our list: CARF accredited; offers detox, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Private-pay 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: Supervised detox
Why it made our list: Offers detox, IOP, outpatient care, and MAT; accepts Medicaid.
San Marcos, CA 92078
CARF accredited
Levels of care
Payment accepted
Private insurance · TRICARE · Self-pay
“Get help” calls our free helpline, not this facility.
San Marcos, CA 92069
CARF accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
San Marcos, CA 92069
Levels of care
Payment accepted
Medicaid
“Get help” calls our free helpline, not this facility.
We list 3 rehabs for young adults in San Marcos, 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.
