Wisconsin • Mechanics Lien Deadlines
Wisconsin Mechanics Lien Deadline Calculator
Learn the exact preliminary notice and lien filing deadlines in Wisconsin. Then jump into the LienDeadline calculator to see your real project dates in 0.3 seconds.
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Wisconsin Lien Deadline Overview
Preliminary Notice Deadline
Required within 60 days of first furnishing
Mechanics Lien Filing Deadline
Must be recorded within 6 months (180 days) after last furnishing
Typical Projects
Building material suppliers, lumber yards, concrete and rebar suppliers working on private construction projects in Wisconsin.
This page is a simplified summary for material suppliers and does not replace advice from a construction attorney.
How lien deadlines work in Wisconsin
In Wisconsin, material suppliers must follow specific deadlines to protect their lien rights. The preliminary notice deadline is required within 60 days of first furnishing. The mechanics lien filing deadline is must be recorded within 6 months (180 days) after last furnishing. Missing either deadline results in complete loss of lien rights for that project.
Preliminary notice rules
- Notice of Intent to Lien must be served 30 days BEFORE filing
- Required within 60 days of first furnishing
- Subcontractor Identification Notice required for material suppliers
Mechanics lien filing rules
- Notice of Intent to Lien must be served 30 days BEFORE filing
- Must be recorded within 6 months (180 days) after last furnishing
- Construction Lien must be filed within deadline
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Frequently asked questions
What is the mechanics lien deadline in Wisconsin?
Must be recorded within 6 months (180 days) after last furnishing
Does Wisconsin require a preliminary notice?
Required within 60 days of first furnishing
What happens if I miss the deadline?
You lose your legal right to file a lien for that project, even if you're still owed money. That's why many suppliers use automated deadline tools instead of spreadsheets.