Skip to main content

KingCounty.gov is an official government website.

Official government websites use .gov
Website addresses ending in .gov belong to official government organizations in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.
King County Washington home

“King County Permits 101”

Watch videos that answer some of our most-asked questions

Watch video – Do I need a permit?

Watch video – What can I do with my property?

Watch video – Can we put an ADU* on our property?


*Accessory dwelling unit

Watch video – What is a clearing and grading permit?

Watch video – Do I have a critical area on my property?

Watch video – Can I park my RV* on my personal, private land and live in it?


*recreational vehicle

Watch video – Do I need a permit to remove a tree?

Watch video – What to do after storm damage in unincorporated King County

Related Topics

Property research & maps

Find information about your parcel using our research tools and mapping resources.

When you need a permit

Find out if you need a permit for your project in unincorporated King County.

Inspections

Learn about what inspections are required on your permit or project. 

Permits customer service

Find help with your permit application, or information on how to best contact us.