California · Listings Checked October 2026

Drug and Alcohol Rehab Centers in San Marcos, CA

Which Rehab Centers in San Marcos Fit Your Needs?

SAMHSA's FindTreatment.gov lists 3 rehab centers in San Marcos, California, all state-licensed or certified substance use treatment facilities. Of these, 2 accept Medicaid, 3 offer detox, 1 offers residential treatment, 3 prescribe buprenorphine and 1 is a certified methadone clinic.

All 3 Rehab Centers in San Marcos

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Treatment facility (SAMHSA listing)

Capalina Comprehensive Treatment

1560 Capalina Road, ZIP 92069

760-744-2104

Full Listing

McAlister Institute for Trt and Educ

751 Rancheros Drive, Suite 5, ZIP 92069

760-761-0515

Full Listing

Present Moments Recovery

1809 Windriver Street, ZIP 92078

619-363-4767

Full Listing

Listings from SAMHSA's FindTreatment.gov, checked October 2026. A listing is not an endorsement and the order is alphabetical. Call to confirm openings, services and costs.

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Detox in San Marcos

All 3 facilities in San Marcos offer detox (medically managed withdrawal): Capalina Comprehensive Treatment, McAlister Institute for Trt and Educ and Present Moments Recovery.

Residential and Inpatient Rehab Centers in San Marcos

1 of the 3 facilities in San Marcos offer residential or hospital inpatient treatment: Present Moments Recovery.

Outpatient and IOP Programs in San Marcos

1 of the 3 facilities in San Marcos run intensive outpatient or partial hospitalization programs: McAlister Institute for Trt and Educ.

Medication for Opioid Use Disorder in San Marcos

All 3 facilities in San Marcos provide methadone, buprenorphine or naltrexone: Capalina Comprehensive Treatment, McAlister Institute for Trt and Educ and Present Moments Recovery.

San Marcos Rehab Centers That Take Medicaid

2 of the 3 facilities in San Marcos accept Medicaid: Capalina Comprehensive Treatment and McAlister Institute for Trt and Educ.

Free and Sliding-Fee Rehab in San Marcos

1 of the 3 facilities in San Marcos offer a sliding fee scale or treatment at no charge: Capalina Comprehensive Treatment.

San Marcos Rehab Centers: Common Questions

How Many Rehab Centers in San Marcos Are There?

SAMHSA's FindTreatment.gov lists 3 substance use treatment facilities in San Marcos, California, checked October 2026. 3 offer detox and 1 offer residential treatment.

Do Rehab Centers in San Marcos Take Medicaid?

2 of the 3 facilities in San Marcos accept Medicaid, according to SAMHSA. Call to confirm your plan is accepted before you go.

Which Rehab Centers in San Marcos Offer Detox?

3 of the facilities in San Marcos offer detox: Capalina Comprehensive Treatment, McAlister Institute for Trt and Educ and Present Moments Recovery.

Are There Free Rehab Centers in San Marcos?

0 of the facilities in San Marcos offer treatment at no charge and 1 has a sliding fee scale, according to SAMHSA. SAMHSA's National Helpline can also point you to state-funded treatment.

Rehab Centers Near San Marcos

More Help in California

See addiction treatment in California for the state's treatment agency, how state-funded treatment works and Medicaid coverage. For what each type of care means, read about detox, inpatient rehab and outpatient rehab, or how to find rehab that takes Medicaid.

Sources

  1. SAMHSA FindTreatment.gov listing data, checked October 2026

Rehab Help is an independent guide, not a treatment provider. Phone numbers on this site are the facilities' and helplines' own numbers, never tracking lines. If someone is in danger right now, call 911.