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Welcome to the Online Permit Center

This portal provides public access to Building and Planning permit applications for San Mateo County. 

Search for Projects and Permits.  No login required.

Gain access to pending and past permit information for your property

Permit Number: review the progress of your application including status, comments and agency approvals

Past Permits:  approvals audit all permit applications since 1999. Records include listing descriptions, status, and violations.


To start a permit application that is not available online, contact the Building Inspection Section

Apply for Permits. Login required.

The following over-the-counter Building permits are eligible for online application:

  • Electrical Service
  • Gas Line
  • HVAC
  • Reroof
  • Sewer Line
  • Sliding or Stucco
  • Water Heater
  • Water line
  • Windows or Doors (size for size)
  • Photovoltaic
  • Solar Panel Heating
  • Solar Pool Heating
  • Solar Water Heating

NOTE: Some permits may require review by the Planning department prior to issuance.

Login or Register for your free account to begin the application process

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