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Wisconsin Mechanics Lien Law

Everything you need to know to protect your lien rights in Wisconsin

Critical Deadlines

30

days - Preliminary Notice

180

days - Lien Filing

720

days - Enforcement

📋Preliminary Notice

REQUIRED
Deadline
30 days from first furnishing
Form Name
Notice of Intent to File Lien
Must be Served To
Owner
Delivery Method
Certified mail or personal delivery

Warning: Missing this deadline may result in losing ALL lien rights.

⚖️Lien Filing

Filing Deadline
180 days from last work
Where to File
Register of Deeds
Filing Fee
$30-50
Description
Within 6 months of last furnishing

⏱️Enforcement

Deadline to Sue
720 days from filing lien
Description
Within 2 years of filing lien

Note: If you don't file a lawsuit within this period, your lien becomes unenforceable.

🏛️Public Projects (Bond Claims)

Preliminary Notice
Required within 90 days
Bond Claim Deadline
90 days from completion
Governing Statute
Wis. Stat. §779.14

Special Rules & Contractor Protections

Pay-if-Paid

⚠️ Enforceable

Retainage Cap

5%

Prompt Payment

7 days

Trust Fund

✓ Construction funds protected

Waiver Forms

⚠️ Must use statutory forms

License Required

⚠️ Yes - unlicensed may lose lien rights

💡 Important Notes for Wisconsin

  • 30-day notice required
  • Trust fund statute applies
  • Statutory waiver forms required
  • Strong 7-day prompt payment

📚 Statute References

Lien Law:
Wis. Stat. §779.01
Bond Law:
Wis. Stat. §779.14
Prompt Pay:
Wis. Stat. §779.80

Protect Your Rights in Wisconsin

SubShield automatically applies Wisconsin lien laws when analyzing your contracts. Get deadline tracking, compliance alerts, and personalized risk analysis.

This information is for educational purposes only and is current as of January 2026. Always consult with a licensed Wisconsin construction attorney for your specific situation.