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Welcome to the King County Permitting Portal

No account required to:

To get started:
Enter address, parcel, or permit number in the top right search bar, then press Enter.

Tip: Register for an account to view custom lists of permits.

For permit timeline information:
Go to the Permit Timelines page.

For online applications:
* Go to MyBuildingPermit.com (MBP) to apply.
* Go to Online Permit Applications for more information.

Help:
Email: PermitQuestions@kingcounty.gov

To get started, select one of the services listed below: