A minature house being constructed on top of a set of plans.Permit Process TreeProtected Tree Ordinance residential solar panels installationInstant Residential Solar and Energy Storage System Permits

Major Projects

Moss Beach State Route 1 Congestion & Safety Improvements Project

Update The County of San Mateo, San Mateo County Transportation Authority, and Caltrans completed the project initiation phase of the Project, resulting in a signed Project Study Report-Project Development Support Report on February 28, 2024. The report is under the “Document and Meeting Materials” section of the webpage below.

View All
455 County Center, 2nd Floor
Redwood City, CA 94063 Get Directions
Monday - Thursday:
8:00 am - 4:00 pm
(closed 12:00 pm - 1:00 pm for lunch)
Friday - Sunday:
Phone Numbers
General Information: (650) 363-4161 Planning: (650) 363-1825 Building: (650) 599-7310 Code Compliance: (650) 363-4825 Inspections: (650) 599-7311