1809 Windriver Street, San Marcos, CA 92078
12-Step Facilitation
- Medical Detox
- Inpatient Hospital
- Residential Treatment
11,500+ federally listed treatment programs · Real Options, Real Recovery
San Marcos, California has 3 licensed treatment centers. Of those facilities, 1 offer 24-hour inpatient or residential rehab programs, 3 offer confirmed medical detox, 2 provide outpatient care options, and 1 provide intensive outpatient (IOP) services.

Federally listed facilities in San Marcos, CA
Federally listed
withdrawal management
24-hour care
incl. IOP
listed in city
in California
San Marcos, California treatment center map
3 listings mapped
3 licensed programs listed below with addresses, phone numbers, levels of care, and insurance details — compare them and call the center directly.
Showing 3 treatment centers in San Marcos, California.
1809 Windriver Street, San Marcos, CA 92078
12-Step Facilitation
1560 Capalina Road, San Marcos, CA 92069
Anger Management
751 Rancheros Drive, Suite 5, San Marcos, CA 92069
Acamprosate
Statewide data for California
San Marcos has 3 listed programs offering medical detox. The figures below are for California as a whole.
310 of 856 federally listed centers in California (36.2%) report offering medically managed withdrawal, above the national share of 19.6% and 1st of 52 states and territories. In a typical California community with listed treatment, a detox program is in the same town.
Read the Detox Access Gap report →California reports 28.39 residential beds per 100,000 residents (11,195 beds at 514 programs) — close to the national figure, ranking 18th of 50. Reported occupancy was 84.7%, leaving more open space than most states (national average: 85.1%).
Read the Residential Capacity report →Source: Treatment Locators analysis of federal facility directory and survey data. Figures describe the system as a whole, not any one center — call a center to confirm current services and openings.
San Marcos has 3 listed treatment centers. These 12 centers are the closest listed options outside San Marcos; each is located in the city shown on its listing, with the straight-line distance from San Marcos noted below.
5 mi · Escondido, CA
200 East Washington Avenue, Suite 100, Escondido, CA 92025
12-Step Facilitation
5 mi · Escondido, CA
221 West Crest Street, Suite 100, Escondido, CA 92026
12-Step Facilitation
6 mi · Escondido, CA
161 North Date Street, Escondido, CA 92025
12-Step Facilitation
6 mi · Escondido, CA
737 East Grand Avenue, Escondido, CA 92025
12-Step Facilitation
6 mi · Vista, CA
733 South Santa Fe Avenue, Vista, CA 92083
12-Step Facilitation
7 mi · Vista, CA
1211 West Vista Way, Building C, Vista, CA 92083
Acamprosate
8 mi · Escondido, CA
410 Hidden Trails Road, Escondido, CA 92027
12-Step Facilitation
8 mi · Vista, CA
1939 West Vista Wahy, Suite A, Vista, CA 92083
Anger Management
9 mi · Encinitas, CA
183 Calle Magdalena, Suite 101, Encinitas, CA 92024
12-Step Facilitation
10 mi · Carlsbad, CA
2945 Harding Street, Suite 213, Carlsbad, CA 92008
12-Step Facilitation
11 mi · Del Mar, CA
14750 El Camino Real, Del Mar, CA 92014
12-Step Facilitation
11 mi · Del Mar, CA
3702 Via De La Valle, Suite 202, Del Mar, CA 92014
Anger Management
This directory lists 3 licensed treatment programs in San Marcos, California, drawn from the federal treatment services record (September 2026). Of those, 3 provide medical detox, 1 offer inpatient rehab or residential treatment and 2 run outpatient treatment.
Detox manages withdrawal safely and usually lasts a few days to a week; rehab is the treatment that follows, where therapy and medication address the substance use itself. Most people move from detox into inpatient rehab or an outpatient program, and the levels of care guide explains how each step works.
Cost depends on the level of care and how long you stay, and federal parity law requires most plans to cover addiction treatment on the same terms as other medical care. In San Marcos, California, 2 of the 3 listed centers report accepting private health insurance and 1 report a sliding fee scale based on income. The federal record lists payment types rather than named carriers, so call the center to confirm your insurance coverage.
Medical detox typically runs three to seven days, residential treatment commonly runs 30 to 90 days, and outpatient treatment can continue for several months. Research summarized by the National Institute on Drug Abuse finds that staying in treatment for at least 90 days across all settings is associated with better outcomes.
Withdrawal symptoms depend on the substance, how much was used, and for how long, and alcohol and benzodiazepine withdrawal can be medically dangerous without supervision. Our withdrawal timeline page sets out what typically happens day by day, and anyone with a history of seizures or heavy daily drinking should speak to a clinician before stopping.
Yes — programs that treat co-occurring disorders address substance use and conditions such as depression, anxiety or PTSD at the same time, which SAMHSA identifies as the recommended approach. You can filter this directory for dual diagnosis treatment to see which San Marcos, California programs report providing it.
Understand your options before you call a treatment center.