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Certificates, permits, and licenses
Popular pages
Business licenses
Information about when a King County business license is required and how to apply if you need one.
Permits customer services
Customer support for building, land use, and other permits issued by King County Permits.
Additional links
Application process and fees
Learn about the application process and fees associated with for-hire licenses and permits. If you will drive for a taxi or for-hire company, you will need a license. If you will drive for a transportation network company (TNC), you need a permit.
Do you need a permit?
Find out if you need a permit for your project.
Document library
Find common forms and documents needed to do business with the Recorder's Office
Driver resources
Information and resources for taxi, for-hire, and TNC drivers.
Fire and special event permit process - Building and land use
Find out how to apply for permits involving flammable liquid tanks, fireworks, fire systems, and special events.
Food business permits
Learn how to get a new food business permit, renew an existing permit, or submit construction plans for retail food businesses. Short URL: kingcounty.gov/foodpermit
Food worker cards
Find out how to get food worker cards.
For-hire permit and decal display
The for-hire permit and vehicle decal must be visible.
Frequently Asked Questions (FAQ)
Frequently asked questions about marriage licensing and wedding ceremonies
Frequently Asked Questions (FAQ)
Answers to frequently asked questions about online records search
Frequently Asked Questions (FAQ)
Answers to frequently asked questions about document recording
Licensed/registered companies
Look through our list of licensed regional dispatch agencies and transportation network companies (TNCs).
Marriage licensing
Congratulations on your upcoming marriage! King County wants to make obtaining your marriage license quick and easy.
Online records search
Search our free online database of King County's official records
Permits
King County Permits provides land use, building, and fire regulatory and operating permits, code enforcement services, and a limited number of business licenses to the unincorporated areas of King County.
Permits–customer services
Need help? You're in the right place! Feeling a bit lost on our new website? This page will guide you through all the different ways you can reach out to us. If you can't find what you're searching for, we're here to assist and ensure you get the information you need.
Permitting reports
Find report readouts on new applications, issued permits, and permit performance.
Regulations and notices
Learn more about regulations and notices for taxi, for-hire, and transportation network companies (TNCs).
Rider resources
Information for people riding in taxis, flat-rate for-hire vehicles, or transportation network companies (TNCs)
Right-of-way use permits
Right-of-way (ROW) use permits authorize the use of the King County right-of-way for a designated purpose.
Scooter share pilot program
2020-2023
Taxi, For-Hire, and Transportation Network Company (TNC) Licensing
Information about taxi, for-hire, and transportation network company (TNC) licenses, permits, and other resources.