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Contact Information
Building Division location: City Hall, 330 West 20th Avenue, San Mateo, CA 94403.

Call (650) 522-7172 for general information or questions on:
* building permits
* building inspections
* building code issues

Plan check services available Monday - Friday from 9:30am - 11:30am.

Counter hours:
Monday - Friday:  8:00am - 5:00pm 
NOTE:
  • Every Thursday counter is closed from 8:00am - 9:00am.
  • There is no Fire Plan Checker available for counter code consultation on Fridays at the current time.

Staff Directory

San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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