Tuesday, June 15, 2021
The Public Works Department front counter is open by appointment only. Please check for hours and availability. Learn more »

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.

Our Projects

The Department of Public Works is involved in the planning, design, and construction of infrastructure projects within the unincorporated areas of San Mateo County. Our mission is to provide the public with safe, accessible roads and structures that make their communities more livable.

Storm Preparedness

Be prepared for the next storm with tips and emergency phone numbers, and find out where to pick up sandbags.


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COVID-19 Info
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