BossHours

Michigan mechanics lien deadlines for contractors

A plain-English summary of how a contractor, subcontractor or supplier protects payment with a mechanics lien in Michigan. 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: contractors, subs, suppliers, laborers (MCL 570.1107)
  • NTO: notice of furnishing within 20 days after first furnishing; laborers within 30 days after wages unpaid (570.1109). NOC: owner records before work (570.1108); residential only on written request (570.1108a)
  • Claim: 90 days after last furnishing (570.1111). Foreclosure: 1 year after recording (570.1117)
  • Waiver forms: yes, statutory partial/full conditional/unconditional (570.1115). Residential: written contract with licensing statement (570.1114)

Source and last verified

Official source: https://www.legislature.mi.gov/documents/mcl/pdf/mcl-Act-497-of-1980.pdf. 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.

Try BossHours free for 7 days

Field Hours $149, Office Hours $379 and After Hours $499 a month. Unlimited users on every plan, no setup fee, month to month, 7-day free trial.

Start your free trial
Michigan mechanics lien deadlines for contractors