KingCounty.gov is an official government website. Here's how you know
We currently offer language translations on our site primarily through Google Translate. This helps visitors find and use information in the languages they speak, but the tool is not perfect. Automated translation may be inaccurate or errors may display on translated pages.
Google Translate is an external website. King County does not control the quality or accuracy of translated content.
Language and region
Please choose a language
Check the current fee schedule for an estimate of costs
The timeline is 90 days for processing the plan.
Use our boundary line adjustments packet found below, or on our Permit forms, application materials, and resources page.
The Boundary Line Adjustment application is available online through MyBuildingPermit.com.
King County inspects work to ensure code compliance and safety requirements.
Translate