Wisconsin Mechanics Lien
Deadlines & Filing Rules
Every notice, deadline, and recording requirement for a Wisconsin construction lien, drawn from Wis. Stat. §§ 779.02, 779.06, 779.12 and the same rule engine that calculates deadlines for our filing customers.
Wisconsin lien rules at a glance
- Preliminary notice
- Required for subcontractors, sub-subcontractors, and suppliers
- Lien filing deadline
- within 6 months after last furnishing labor or materials
- Notarization
- Required
- The lien claim must be sworn to under oath
- Where to record
- Register of deeds for the county
- E-recording
- Not generally available; plan on paper recording
- Enforcement deadline
- Within 2 years after the lien is recorded
Who can file a mechanics lien in Wisconsin
Lien rights depend on where you sit in the contracting chain. Tenant-ordered work can reach the owner's interest in Wisconsin only where the owner consented to or required the improvements. Owner-occupied residential projects carry extra notice requirements in Wisconsin; missing them can cost the lien entirely.
| Claimant | Lien rights in Wisconsin |
|---|---|
| General contractor (direct contract with the owner) | Yes |
| Subcontractor (hired by the general contractor) | Yes |
| Sub-subcontractor (hired by a subcontractor) | Yes |
| Material supplier to the owner | Yes |
| Material supplier to the general contractor | Yes |
| Material supplier to a subcontractor | Yes |
Wisconsin mechanics lien deadlines
Required for subcontractors, sub-subcontractors, and suppliers. Preliminary notices go to the property owner by certified mail.
Preliminary notice deadline
The notice that preserves lien rights before any payment problem exists.
| Who | Project type | Deadline |
|---|---|---|
| All claimants | All projects | Within 60 days after first furnishing labor or materials |
Mechanics lien filing deadline
The last day the lien can be recorded against the property.
| Who | Project type | Deadline |
|---|---|---|
| All claimants | All projects | Within 6 months after last furnishing labor or materials |
Wisconsin does not require a notice of intent before recording a lien, but sending one is often what gets the invoice paid.
Recording and enforcing a Wisconsin lien
Recording the lien
Record with the register of deeds for the county. Electronic recording is not generally available, so build mailing time into the deadline. The lien must be notarized. The lien claim must be sworn to under oath.
After recording
Wisconsin does not require a separate notice after the lien is recorded, though most claimants send one anyway to prompt payment. To keep the lien alive it must be enforced by lawsuit within 2 years after the lien is recorded.
Wrongful lien exposure
Wisconsin exposes claimants who file an exaggerated or baseless lien to damages. Wis. Stat. §779.12: claimant who files exaggerated/fraudulent lien may be liable for damages; lien may be voided.
Practitioner notes for Wisconsin
Owner-occupied 1–4 family residential: subs/suppliers must give 'Notice of Right to Lien' within 60 days after first furnishing; late notice limits lien to unpaid amounts owed after notice is received (Wis. Stat. §779.02(2)(b)). Lien filing deadline: file claim for lien within 6 months after last furnishing labor/materials (Wis. Stat. §779.06(1)). Enforcement: action to enforce/foreclose must be commenced within 2 years after filing the claim for lien (Wis. Stat. §779.06(2)). Lien waivers and owner protections exist; tenant improvements generally require owner consent/agency to reach fee interest.
Statutory sources: Wis. Stat. §§ 779.02, 779.06, 779.12. Read the Wisconsin lien statute.
File your Wisconsin mechanics lien
We calculate the Wisconsin deadlines from your project dates, prepare the lien on the correct form, and handle recording. Self-serve from $99, or full service with recording and notices handled for you from $299.
Wisconsin mechanics lien FAQ
How long do I have to file a mechanics lien in Wisconsin?
Do I need to send a preliminary notice in Wisconsin?
Does a Wisconsin mechanics lien need to be notarized?
Where is a mechanics lien filed in Wisconsin?
How long is a Wisconsin mechanics lien valid?
Can a subcontractor file a mechanics lien in Wisconsin?
More Wisconsin lien tools
This page summarizes Wisconsin lien law for general information and is not legal advice. Deadlines depend on your role, project type, and dates; confirm them against the statute or with counsel before relying on them.