Wisconsin mechanics lien deadlines for contractors
A plain-English summary of how a contractor, subcontractor or supplier protects payment with a mechanics lien in Wisconsin. 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: prime contractors and others furnishing labor, materials, plans (779.01, .02)
- NTO: non-prime claimants notice to owner within 60 days of first furnishing; prime must include statutory notice in contract (779.02). NOC: none
- Claim: 6 months of last work; 30 days' notice of intent before filing (779.06). Foreclosure: 2 years from filing
- Waiver forms: none (779.05). Residential: 4-or-fewer-unit notice rules
Source and last verified
Official source: https://docs.legis.wisconsin.gov/statutes/statutes/779.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.
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