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Permits

Parcel

Address

King County Zoning: does not apply

Development Conditions: does not apply

Water District: does not apply

Sewer District: does not apply

Water & Sewer District: does not apply

Fire District: does not apply

School District: does not apply

Does my project need a permit?

In general, you need a building permit to change the occupancy of, construct, enlarge, alter, repair, move, or demolish a building or structure. Some common property-improvement projects don’t require a building permit. Learn more.

How do I apply for a permit?

Find step-by-step instructions on kingcounty.gov’s Local Services pages for the type of permit you need.

Commercial and Multi-family

For new construction, and additions/alternations to existing buildings, including commercial tenant improvements.

Find out how to apply

 

Single Family and Duplex

For new construction, and additions/alternations to existing buildings, including detached garages and mechanical systems.

Find out how to apply

 

Land use

For clearing and grading, rezoning, right-of-way use, land division, tree removal, and other land permits.

Find out how to apply

 

Fire permits

Fire permits for fireworks stands and displays, sprinkler systems, special event (fire safety), and installation and decommissioning of flammable liquid tanks, such as propane/LPG tanks.

Find out how to apply

 

Business Licenses

For amusement/dance places, amusement devices, charitable solicitation, entertainers and managers, junk shops and wagons, massage businesses and bathhouses, outdoor musical entertainment, pawnshops, secondhand dealers, shooting ranges.

Find out how to apply

 

Not seeing the type of permit you’re looking for? Some permits are administered by different agencies, and aren’t part of our permitting system.

Find more information about different kinds of permits in Unincorporated King County.

Review a property’s history of permits

You can look up some of a property’s permit history using the online Permitting Portal.

For permits after 1980, go to Permitting Portal and enter parcel number, address, or permit number in the search bar:

Permit history search screen shot




You can also use King County iMap

How to use iMap

  • Look up your property by address or parcel number

    Step 1 - Look up your property by address or parcel number
  • Click on your parcel on the map, and open the Assessor’s Report from the popup screen

    Step 2 - Click on your parcel on the map, and open the Assessor’s Report from the popup screen
  • Click the Property Detail button near the top of the Assessor’s Report

    Step 3 - Click the Property Detail button near the top of the Assessor’s Report
  • Find the permit history near the bottom of the page

    Step 4 - Find the permit history near the bottom of the page

For permit history prior to 1980 you may need to submit a records request. To contact Permitting records services send your request by email to permitrecords@kingcounty.gov.

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