Info for Residents
Your Construction Project
One-stop shop for residents and businesses doing construction work in unincorporated San Mateo County, with project requirement and permit information, standard drawings and more.
Storm Preparedness
Learn where to pick up sandbags. Find emergency phone numbers and quick storm safety tips.
Flood Control Districts
The San Mateo County Flood Control District was created by State legislation in order to finance flood control projects. The three currently active flood control zones are Colma Creek, San Bruno Creek, and San Francisquito Creek.