Our Services
The Department of Public Works serves the unincorporated areas of San Mateo County, providing public services and operating facilities that benefit the community as well as County employees and clients of County agencies.

Storm Preparedness
Be prepared for the next storm with tips and emergency phone numbers, and find out where to pick up sandbags.
Learn MoreContact Us 
Phone (650) 363-4100
Fax (650) 361-8220
Main Office
555 County Center
5th Floor
Redwood City, CA 94063