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Wisconsin Mechanics Lien & Preliminary Notice Deadline Calculator

Calculate exact statutory cutoff dates for commercial subcontractors in Wisconsin (WI) under Subcontractor’s Identification Notice (Wis. Stat. § 779.02) and export calendar reminder alerts.

Wisconsin (WI) Mechanics Lien Deadline Calculator

Statute Reference: Subcontractor’s Identification Notice (Wis. Stat. § 779.02)

180-Day Filing Window
Wisconsin Preliminary Notice Deadline
Enter First Work Date

Must be served within 60 days of first furnishing to maintain rights.

Wisconsin Final Mechanics Lien Cutoff
Enter Last Work Date

Calculated 180 calendar days from your last day furnishing labor or materials.

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When is a preliminary notice due in Wisconsin?

In Wisconsin, specialty subcontractors must serve a Subcontractor’s Identification Notice (Wis. Stat. § 779.02) within 60 days of first furnishing labor or materials. Must be served within 60 days of first furnishing to maintain rights.

Read Step-by-Step Wisconsin Preliminary Notice Guide →

How many days do you have to file a mechanics lien in Wisconsin?

Under Subcontractor’s Identification Notice (Wis. Stat. § 779.02), a Wisconsin mechanics lien must generally be filed within 180 days from the last day labor or materials were furnished to the project.

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Mechanics Lien Deadlines by State (All 50 States + D.C.)