Certificates, permits, and licenses

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. 

Information about when a King County business license is required and how to apply if you need one.

Find out if you need a permit for your project. 

Find common forms and documents needed to do business with the Recorder's Office

Each for-hire transportation driver in King County and Seattle must have a license or permit issued by King County.   TNC drivers: TNCs submit an application for a For-Hire Driver Permit on behalf of each of their affiliated drivers when the driver first signs up with the TNC and annually thereafter. Taxicab and flat-rate for-hire vehicle drivers: Each driver applies for a Regional For-Hire Driver's License directly with King County for the first license and for each annual renewal thereafter. Taxicab and flat-rate for-hire vehicle drivers (Enhanced option): Drivers have the option to apply for an Enhanced Regional For-Hire Driver's License or update a Regional For-Hire Driver's License to Enhanced, which requires the driver to pass a fingerprint-based background check in addition to all the Regional For-Hire Driver's License requirements.

Find out how to apply for permits involving flammable liquid tanks, fireworks, fire systems, and special events.

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

Find out how to get food worker cards.

The for-hire permit and vehicle decal must be visible.

Frequently asked questions about marriage licensing and wedding ceremonies

Answers to frequently asked questions about online records search

Answers to frequently asked questions about document recording

Look through our list of licensed regional dispatch agencies and transportation network companies (TNCs).

How to make changes to birth and death certificates, including parentage and sex designation.

Congratulations on your upcoming marriage! King County wants to make obtaining your marriage license quick and easy.

Search our free online database of King County's official records

How to order a birth certificate for someone born in King County or Washington state.

The King County Permitting Division provides land use, building, and fire regulatory and operating permits, code enforcement, and a limited number of business licenses in unincorporated areas of the county.

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. 

Find report readouts on new applications, issued permits, and permit performance.

Learn how to submit a plumbing or gas piping plan review application or get a homeowner's permit.

Learn more about regulations and notices for taxi, for-hire, and transportation network companies (TNCs).

Information for people riding in taxis, flat-rate for-hire vehicles, or transportation network companies (TNCs)

Right-of-way (ROW) use permits authorize the use of the King County right-of-way for a designated purpose.

2020-2023

Information about taxi, for-hire, and transportation network company (TNC) licenses, permits, and other resources.