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If you promote, organize or conduct outdoor, live or recorded musical entertainment within unincorporated King County, which will attract 250 or more persons and where a charge is required, a King County Outdoor Musical Entertainment license is required (Title 6* of the King County Code).

You must file an application no later than 40 days prior to the event.

The applicant must provide specific information including a site plan, a detailed proposal and schedule of activities, and a detailed traffic and crowd protection plan. Approvals are required by the King County Sheriff's Office, Seattle-King County Public Health Department, and the Department of Local Services, Permitting Division. Insurance and a cash bond are required.

To apply, complete the Outdoor Musical Entertainment License Application form. For assistance, contact Permitting at 206-296-6600 or email PermitServices@kingcounty.gov.