Mills-Peninsula Medical Center - San Mateo Campus
★★★☆☆ (35 reviews)100 S San Mateo Dr, San Mateo, CA 94401
(650) 696-5400
Website: www.sutterhealth.org/find-location/facility/mills-health-center-1043247107
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Project Ninety, Inc
★★★★☆ (14 reviews)416 2nd Ave, San Mateo, CA 94401
(650) 579-7881
Website: www.caminar.org/what-we-do?location=San+Mateo+County&service-type=Substance+Use+Treatment
Hours: {"Friday":["8 AM–4 PM"],"Monday":["8 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–4 PM"],"Tuesday":["8 AM–4 PM"],"Wednesday":["8 AM–4 PM"]}
Elms-Women's Recovery Association
★★★★★ (11 reviews)202 E Bellevue Ave E, San Mateo, CA 94401
(650) 343-8401
Hours: {}
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: {"Friday":["Open 24 hours"],"Monday":["Open 24 hours"],"Saturday":["Open 24 hours"],"Sunday":["Open 24 hours"],"Thursday":["Open 24 hours"],"Tuesday":["Open 24 hours"],"Wednesday":["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: {"Friday":["8:30 AM–12:15 PM","12:45–4:45 PM"],"Monday":["8:30 AM–12:15 PM","12:45–4:45 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–12:15 PM","12:45–4:45 PM"],"Tuesday":["8:30 AM–12:15 PM","12:45–4:45 PM"],"Wednesday":["8:30 AM–12:15 PM","12:45–4:45 PM"]}
San Mateo Care Center
★★★½☆ (6 reviews)50 S San Mateo Dr, San Mateo, CA 94401
(650) 652-8370
Website: www.sutterhealth.org/find-location/facility/san-mateo-care-center-1043247262
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Central County Mental Health
★★★★★ (3 reviews)1950 Alameda de las Pulgas, San Mateo, CA 94403
(650) 573-3571
Website: www.smchealth.org/bhrsservices
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Potentials Unlimited Sober Living Homes
★★★½☆ (3 reviews)249 N Eldorado St, San Mateo, CA 94401
(415) 779-3154
Website: bayareasoberlivings.com
Hours: {"Friday":["7 AM–9 PM"],"Monday":["7 AM–9 PM"],"Saturday":["8 AM–8 PM"],"Sunday":["9 AM–7 PM"],"Thursday":["7 AM–9 PM"],"Tuesday":["7 AM–9 PM"],"Wednesday":["7 AM–9 PM"]}
Mills-Peninsula outpatient rehab
★★★☆☆ (2 reviews)Mills-Peninsula Health Services, 101 S San Mateo Dr, San Mateo, CA 94401
Hours: {"Friday":["8:30 AM–6 PM"],"Monday":["8:30 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–6 PM"],"Tuesday":["8:30 AM–6 PM"],"Wednesday":["8:30 AM–6 PM"]}
Mickelson Center
★★★★★ (1 reviews)San Mateo, CA 94401
Hours: {}
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: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["8:30 AM–5 PM"],"Sunday":["8:30 AM–5 PM"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
RBH Behavioral Health Advisors – Drug & Alcohol Addiction Treatment Support
215 E 3rd Ave, San Mateo, CA 94401
(209) 774-7249
Website: rbhaddiction.com
Hours: {"Friday":["Open 24 hours"],"Monday":["Open 24 hours"],"Saturday":["Open 24 hours"],"Sunday":["Open 24 hours"],"Thursday":["Open 24 hours"],"Tuesday":["Open 24 hours"],"Wednesday":["Open 24 hours"]}
Behavioral Health And Recovery
1950 Alameda de las Pulgas, San Mateo, CA 94497
(650) 573-3571
Hours: {}
Amae Health San Mateo
1900 O'Farrell St Suite 250, San Mateo, CA 94403
(888) 860-2825
Website: amaehealth.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
About Outpatient Rehab Centers in San Mateo, CA
Finding the right support can feel overwhelming, but for residents of San Mateo, outpatient rehab centers offer a flexible path to recovery that fits into daily life. Whether you are balancing work in the tech sector, raising a family in this close-knit community, or managing other responsibilities, outpatient care allows you to attend therapy sessions and build coping skills while still sleeping at home. Many people in San Mateo seek this option because it provides the structure needed to address substance use without requiring a full residential stay, which can be difficult to arrange with a busy schedule.
Addiction does not discriminate, and neither should the search for help. In a county where the cost of living is high and stress can take many forms, outpatient programs can be a practical first step or a continued source of support after a more intensive program. These centers typically offer individual counseling, group therapy, and education on relapse prevention—all designed to help you reclaim your life on your own terms. The right program will meet you where you are, with compassion and professional guidance.
Frequently Asked Questions
How many outpatient rehab centers are in San Mateo?
Our directory lists 14 outpatient rehab facilities in San Mateo, CA.
What is the difference between inpatient and outpatient rehab?
Inpatient rehab requires living at the facility for the duration of treatment. Outpatient rehab allows you to live at home and attend treatment sessions during the day. The right choice depends on the severity of addiction and individual circumstances.
How often do I need to attend outpatient rehab?
Frequency varies by program type. Standard outpatient may be 1-2 sessions per week. Intensive outpatient (IOP) typically requires 3-5 sessions per week for several hours each. Your treatment team will recommend an appropriate schedule.
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.
This is not a referral service. We do not endorse or recommend any facility listed.
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