CALIFORNIA
Rehab in San Mateo, California
53 verified treatment centers in and around San Mateo.
Northeast Health Services - Marlborough
Sigma Health Services
Northeast Health Services - Attleboro
Northeast Health Services - Worcester
Northeast Health Services - Milford
Northeast Health Services - Fall River
Palm Avenue Detox
Seneca Health Services Webster Springs
Seneca Health Services Summersville
Northeast Health Services - Quincy
Northeast Health Services - Sudbury
SSM Health Specialty Services - TMS Clinic
Nearby in California
Other cities within California
Finding treatment in San Mateo
San Mateo (California) has 53 SAMHSA-verified addiction-treatment facilities. That facility density is typical of a metro of this scale and generally means specialty programming (co-occurring, perinatal, adolescent) is available regionally if not always inside city limits. This page is an orientation to the practical variables — insurance network, clinical framework, level-of-care match — that separate useful from marginal options.
The California context
Understanding San Mateo requires reading it against California: Expanded Medicaid in 2014 under the ACA. Overdose mortality runs 27.9 per 100,000. The state-specific challenge — stark contrast between well-resourced urban programs and underserved inland counties — reaches local facility operations in concrete ways.
How access actually works in San Mateo
The practical first moves in San Mateo are: call your insurer's behavioral-health line (not general member services) for an in-network list within 25 miles; cross-reference against SAMHSA's federal locator for current operational status; ask your primary-care doctor about warm referrals. Skip any of the three and the search takes twice as long.
Regional and nearby options
the size of the local network means clinical specialty is usually available within San Mateo or immediately adjacent, without needing to widen the search radius substantially. Expanding the search 30-50 miles frequently doubles available options without material travel burden. Whether to expand depends on what the clinical situation calls for and what the local network can genuinely deliver.
Practical next steps
For San Mateo residents, the productive sequence: (1) take the 2-minute self-assessment to understand severity; (2) call the SAMHSA helpline (1-800-662-HELP) for a neutral option-review; (3) get an outside clinical assessment from a PCP or licensed counselor. The facility selection is the LAST step, not the first.
Last updated April 2026. Sources: SAMHSA Treatment Locator, CDC WONDER, KFF Medicaid Tracker, ASAM Criteria 4e. See our editorial policy.