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King County Courthouse Third Avenue entrance closed until January 1, 2020. Please use alternative routes.  
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1-800-527-6237 (1-800-KC-ROADS)
If this is an emergency, call 9-1-1


24x7HelplineCall us for help with road maintenance and traffic safety issues in unincorporated King County, such as downed stop signs, signals that are out, or trees over the roadway — 24 hours a day.

Please have the following information available when you call:

  • Your name.

  • Your address and phone number. (It is important that you provide a contact number in the event more information is needed.)

  • The location of the problem, including the nearest cross street and/or address.

  • A description of the problem.

  • Any other important information that may need to be relayed to the crews about the area or the problem.