For Public Assistance Call 1(800) 223-8383 Office Locations Human Services - Hearings Unit 500 County Center Redwood City, CA 94063 Human Services Agency - Daly City 271 92nd St Daly City, CA 94015 Human Services Agency - Mid County, Belmont 400 Harbor Boulevard Belmont, CA 94002 Human Services - San Carlos 550 Quarry Road San Carlos, CA 94070 Human Services - Redwood City 2500 Middlefield Rd. Redwood City, CA 94063 Human Services - East Palo Alto 2415 University Avenue East Palo Alto, CA 94303 Human Services Administrative Office 500 County Center Redwood City, CA 94063Get Directions Contact Information Phone: (650) 802-7500