Visit the City of San Mateo Building Division at 330 W. 20th Ave, or download the Building Permit Application online.
For over the counter Permits/Plan Check visit the Building Division Monday-Friday 9:30am-11:30am.
Building counter hours are:
Monday*, Tuesday*, Wednesday*, and Friday*: 8:00am to 4:45pm
Thursdays*: 9:00am to 4:45pm
*Note: No monetary transactions will be done after 4:00pm. We will continue to accept resubmittals until 4:45pm.
Building Permit Application