8 Addiction Treatment Centers in San Mateo, CA

Browse verified addiction treatment centers in San Mateo, California. Compare providers and find contact information.

Project Ninety, Inc

★★★★☆ (14 reviews)
416 2nd Ave, San Mateo, CA 94401
(650) 579-7881
Website: www.caminar.org/what-we-do
Hours: Mon: 8 AM–4 PM | Tue: 8 AM–4 PM | Wed: 8 AM–4 PM | Thu: 8 AM–4 PM | Fri: 8 AM–4 PM | Sat: Closed | Sun: Closed

Horizon Services, Inc. - Palm Avenue Detox

★★★★☆ (11 reviews)
2251 Palm Ave, San Mateo, CA 94403
(650) 513-6500
Website: www.horizonservices.org/palm-avenue
Hours: Mon-Sun: Open 24 hours

San Mateo Clinic

★★★★☆ (10 reviews)
117 N San Mateo Dr, San Mateo, CA 94401
(650) 425-9408
Website: www.healthright360.org/agency/san-mateo-clinic
Hours: Mon: 8:30 AM–12:15 PM, 12:45–4:45 PM | Tue: 8:30 AM–12:15 PM, 12:45–4:45 PM | Wed: 8:30 AM–12:15 PM, 12:45–4:45 PM | Thu: 8:30 AM–12:15 PM, 12:45–4:45 PM | Fri: 8:30 AM–12:15 PM, 12:45–4:45 PM | Sat: Closed | Sun: Closed

Alcoholics Anonymous

★★★★★ (5 reviews)
2215 S El Camino Real UNIT 204, San Mateo, CA 94403
(650) 577-1310
Website: www.aa-san-mateo.org
Hours: Mon: 8:30 AM–4:30 PM | Tue: 8:30 AM–4:30 PM | Wed: 8:30 AM–4:30 PM | Thu: 8:30 AM–4:30 PM | Fri: 8:30 AM–4:30 PM | Sat: Closed | Sun: Closed

Chemical Dependency Services: Mills Health Center

100 S San Mateo Dr, San Mateo, CA 94401
(650) 696-4666
Website: www.sutterhealth.org/mills/services/behavioral-health/addiction
Hours: Mon-Sun: 8:30 AM–5 PM

PMH Helpline – Addiction Treatment & Behavioral Health Support

2460 CA-82, San Mateo, CA 94403
(650) 226-9401
Website: pmhhelpline.com
Hours: Mon-Sun: Open 24 hours

RBH Behavioral Health Advisors – Drug & Alcohol Addiction Treatment Support

215 E 3rd Ave, San Mateo, CA 94401
(209) 774-7249
Website: rbhaddiction.com
Hours: Mon-Sun: Open 24 hours

Addiction Medicine MD

1900 O'Farrell St suite 190, San Mateo, CA 94403
(650) 503-4115
Website: www.addictionmedicinemd.com
Hours: Mon: Closed | Tue: Closed | Wed: 9 AM–5 PM | Thu: Closed | Fri: Closed | Sat: Closed | Sun: Closed

About Addiction Treatment Centers in San Mateo, CA

If you or someone you care about is struggling with substance use in San Mateo, you are not alone. Located in the heart of the Bay Area, San Mateo is a vibrant, diverse community where the pressures of high-cost living, demanding careers, and family responsibilities can sometimes feel overwhelming. These challenges do not discriminate—addiction affects people from all walks of life, regardless of age, income, or background.

Finding the right addiction treatment center in San Mateo means accessing support that respects your unique circumstances. Whether you are seeking outpatient care to maintain your work schedule or a more structured program, local options are designed to meet you where you are. Recovery is a deeply personal journey, and the right environment can make all the difference.

BeforeRehab.com is here to help you explore the treatment centers available in San Mateo. We provide clear, compassionate information so you can find a path forward that feels right for you. You deserve support, and healing is possible.

Frequently Asked Questions

How many addiction treatment centers are in San Mateo?

Our directory lists 8 addiction treatment facilities in San Mateo, CA.

What types of addiction do treatment centers handle?

Most addiction treatment centers treat a range of substance use disorders including alcohol, opioids, stimulants, benzodiazepines, and other drugs. Some also treat behavioral addictions. Contact facilities directly to confirm they treat your specific concern.

How long does addiction treatment take?

Treatment length varies by individual need. Programs range from 30 days to 90 days or longer for residential treatment. Outpatient programs may continue for several months. Research suggests longer treatment durations are associated with better outcomes.

BeforeRehab.com is an informational directory only. We are not a treatment provider, referral service, or crisis hotline. The information provided does not constitute medical advice. Always verify a facility's credentials, licensing, and insurance acceptance directly. If you or someone you know is in crisis, please call 988 (Suicide & Crisis Lifeline) or SAMHSA's National Helpline at 1-800-662-4357.

Listings are displayed in no particular order. No facility has paid for placement in this directory.

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Important: This website does not provide referrals to any treatment facility. BeforeRehab.com does not receive compensation, kickbacks, or fees of any kind from any treatment center, sober living home, or recovery service listed on this site. No facility has paid for placement, priority positioning, or endorsement. All listings are derived from publicly available data and appear in no particular order. If you need immediate help, call the SAMHSA National Helpline at 1-800-662-4357 (free, confidential, 24/7).