County Health Department
County Social Services
Human Services Agency Programs (HSA) website
HSA offices in San Mateo County
Click on the address for interactive directions.
South San Francisco Office
1487 Huntington Avenue, South San Francisco, CA 94080
650-877-5608 or 650-877-5620
1487 Huntington Avenue, South San Francisco, CA 94080
650-877-5608 or 650-877-5620
Belmont Office
400 Harbor Boulevard, Building B, Belmont, CA 94002
650-802–5018
Redwood City Office
2500 Middlefield Road, Redwood City, CA 94063
650-599-3811
East Palo Alto Office
2415 University Avenue, East Palo Alto, CA 94303
650-363–4175
Daly City Office
271 92nd Street, Daly City, CA 94015
650-301–8720
Mental Health, Alcohol & Other Drug Services
Behavioral Health and Recovery Services website
Mental Health Access Line: 1-800-686-0101 TDD: 800-943-2833
Call if you or a family member needs services for a serious mental illness or emotional disturbance. You will receive information on which services you can go to in San Mateo County.