Drug & alcohol rehab in San Mateo, CA

Recovery Streak

One tap a day. A free daily check-in with milestones to day 365.

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Flat monthly rate, always labeled — never per call, per lead, or per patient.

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Amity Connect

Free peer support for recovery — daily check-ins, guided workbooks, and mentors.

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FeaturedFeatured listings are Enhanced profiles that centers pay for, and they appear first. Listings claimed by their center come next, then every other licensed center. Within each group, more complete profiles come first and the order rotates daily. How results are ordered

Project Ninety Inc

San Mateo, CA · unclaimed listing

Licensed

OutpatientIntensive outpatientWomenMen

Medicare · Medicaid · Cash / self-payState-licensed

View profile Call 650-579-7881 directly

Filters show licensed treatment only. Looking for peer support, sober living, faith-based, or holistic options in San Mateo? Browse Community & Holistic Support in California →

Helpful guides

How much does rehab actually cost — and who really pays? →Detox, residential, PHP, IOP: which level of care fits? →Does insurance cover rehab? Parity, pre-authorization, and appeals →

Prefer to talk it through?SAMHSA's National Helpline (1-800-662-4357) is free and confidential, 24/7. In crisis, call or text 988.