Seattle, WA Code Violation Reporting: How to Report (2026)

Make a Property or Building Complaint — We rely on complaints from the public to identify potential violations of our housing, land use, construction, noise, and other codes. We investigate your complaint and determine whether a property owner violated our codes. Life-threatening emergencies and after-hours noise complaints should be reported to 911. [...] What Information We Need: The property address of the potential violation. If our inspectors cannot find a potential violation, we cannot investigate or act to correct it. [...] Your name and contact information. We use your contact information in case we have follow-up questions and to tell you about the outcome of your complaint. If you choose, you can submit a complaint anonymously or request your identity remain confidential. Anonymous complaints do not receive feedback. [...] Ways to File Your Complaint — You can file a complaint in one of 3 ways: Call our Violation Complaint Line at (206) 615-0808 [...]; Visit our Seattle Services Portal for complaints that are not time-sensitive; Send a letter to: Seattle Department of Construction and Inspections, Code Compliance, 700 Fifth Ave., Suite 2200, Seattle, WA 98104.