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Washington mechanics lien deadlines for contractors

A plain-English summary of how a contractor, subcontractor or supplier protects payment with a mechanics lien in Washington. Last checked 2026-10-05. This is general information, not legal advice. Verify with your attorney before you rely on any deadline.

The rules at a glance

  • Who: labor, professional services, materials, equipment (RCW 60.04.021)
  • NTO: notice of right to claim lien, covers 60 days before it (10 days new single-family); not for direct contracts (60.04.031). NOC: none
  • Claim: 90 days after last furnishing (60.04.091). Foreclosure: 8 months from recording (60.04.141)
  • Waiver forms: none. Residential: owner-occupied repairs limited to unpaid prime balance at notice

Source and last verified

Official source: https://app.leg.wa.gov/RCW/default.aspx?cite=60.04. Last verified 2026-10-05. Deadlines often differ for residential and commercial projects and change when the law changes. Verify with your attorney.

How BossHours helps

BossHours loads state rules into the app and shows a verify-with-your-attorney note beside each one, so notices and waivers are prepared from your job records. It does not give legal advice.

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Washington mechanics lien deadlines for contractors