Trade Licensing

The City of Seattle Trade Licensing office is now offering exams using the Quiz Maker program.  See below for more information. 

We conduct trade licensing exams and issue licenses for tradespeople in Seattle who:

New Trade License Exam Process

SDCI’s Trade Licensing Program is transitioning to a new testing process that will provide trade license exams online through our website using the Quiz Maker program. We will send the exam details to the applicants via email. 

What you need to know:

  • The application process remains the same.
  • The process for paying license fees online remains the same.
  • You will not need video conferencing capabilities.
  • The duration of the test has changed to 60 minutes total.
  • We will send you a test link that is valid for two business days.
  • If the test link expires or if you accidentally close the exam, please contact us at sci_tradelicense@seattle.gov or by phone at (206) 684-5174.
  • There are 50 questions in the exam.
  • The Quiz Maker program automatically grades and scores the exams.
  • The test results will be uploaded to the Seattle Services Portal within 7 business days after you complete the exam.
  • For Boiler and Refrigeration licenses, diagrams are included on the appropriate tests.

Trade License Exam Tutorial

Construction and Inspections

Nathan Torgelson, Director
Address: 700 5th Ave, Suite 2000, Seattle, WA, 98104
Mailing Address: P.O. Box 34019, Seattle, WA, 98124-4019
Phone: (206) 684-8600
Phone Alt: Violation Complaint Line: (206) 615-0808
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SDCI issues land use, construction, and trade permits, conducts construction and housing-related inspections, ensures compliance with our codes, and regulates rental rules. SDCI is committed to an antiracist workplace and to addressing racism through our work in the community.