How do I obtain a building permit?
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

Show All Answers

1. Why do I need a permit?
2. When is a permit required?
3. What is exempt from a permit?
4. How do I obtain a building permit?
5. What is the permit process?
6. When are building plans required?
7. How does the plan check process work?
8. How do I get my plans checked or reviewed?
9. Do I need an Engineer or Architect?
10. May I do the work myself?
11. How do I know which materials are approved for construction?
12. What is an "Over-The-Counter" Mechanical Permit
13. What is an "Over-The-Counter" Plumbing Permit?
14. What is an "Over-The-Counter" Electrical Permit?
15. Are there any recycling or waste reduction requirements associated when applying for a building permit?