King County (Seattle) Mechanics Lien Filing Guide & Deadlines
Official recording office, statutory fees, and filing deadlines for contractors and suppliers working in King County (Seattle), Washington.
❓ Frequently Asked Questions: King County (Seattle) Mechanics Liens
Where do I mail my mechanics lien in King County (Seattle)?
Mail or deliver the original signed and notarized document to: King County Recorder's Office, 201 S. Jackson St, Suite 204, Seattle, WA 98104. Ensure you include a self-addressed stamped envelope for the return of your recorded document.
Can I file a mechanics lien online in King County (Seattle)?
Yes, King County (Seattle) permits electronic recording (e-Recording) through certified submitters such as Simplifile, CSC, or ePN. Individuals and small contractors can record directly in person or via an approved third-party filing partner.
What happens if I miss the Washington preliminary notice deadline?
In Washington, missing preliminary notice deadlines significantly restricts your recovery rights. Under RCW 60.04 (Washington Mechanics’ and Materialmen’s Liens), untimely notice limits your lien claim strictly to work performed in the preceding period or may waive lien rights completely.