Wisconsin: Mechanic's Lien Waiver Form and Advance-Waiver Rules
The short answer
Wisconsin voids a contract term that requires a person entitled to a construction lien to waive lien or payment-bond rights before being paid. But any waiver the claimant actually signs is binding without consideration and whether signed before or after the work, and it defaults to all past and future work on the improvement unless specifically and expressly limited. Wisconsin prescribes no conditional, unconditional, progress, or final waiver form; a claimant may refuse a requested waiver until paid in full for the work to which it relates.
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This is the general rule in Wisconsin. Ezel applies current Wisconsin law to your specific facts and answers with citations to the statutes.
| Governing law and project scope | Wis. Stat. §§ 779.05 and 779.135 within ch. 779, subch. I construction liens. Section 779.135 protects any person entitled to a construction lien and also the related payment-bond claim; § 779.05 governs any signed waiver by a lien claimant or potential claimant. |
|---|---|
| Advance or prospective waiver | A contract provision requiring waiver of the construction lien or payment-bond claim before payment is void (§ 779.135(1)). A separately signed waiver is nevertheless binding before or after work and may cover future work unless specifically limited (§ 779.05(1)). |
| Statutory form requirement | No statutory conditional, unconditional, progress, or final form and no mandatory wording. A waiver is a signed document purporting to waive construction-lien rights; any partial limitation must be specific and express (§ 779.05(1)). |
| Waiver types and payment stage | No statutory waiver-type labels. The statute recognizes a default all-work waiver and a specifically and expressly limited partial waiver; the signer may refuse a requested waiver until paid in full for the work to which it relates (§ 779.05(1)). |
| Payment and effectiveness | A furnished signed waiver is valid without consideration and regardless of whether it was signed before or after performance. A claimant may refuse to furnish one until full payment; a promissory note is not a waiver unless received as payment and it expressly declares waiver (§ 779.05(1)-(2)). |
| Required contents, exceptions, and through date | No statutory claimant, owner, property, amount, check, through-date, retainage, extras, change-order, or disputed-claim fields. The waiver defaults to all work for the improvement unless it specifically and expressly identifies the particular portion excluded from that default (§ 779.05(1)). |
| Rights released and reserved | A furnished waiver releases construction-lien rights only, not the claimant's otherwise-existing contract rights. Section 779.135 separately prevents a construction contract from requiring prepayment waiver of either the lien or a payment-bond claim (§§ 779.05(1), 779.135(1)). |
| Signature, authority, notary, and format | The lien claimant or potential claimant must sign the waiver document. The statute states no printed-name, title, agent-authority, notarization, warning, type-size, attachment, or electronic-form requirement (§ 779.05(1)). |
| Noncompliance, remedies, and transition traps | A prohibited prepayment-waiver contract provision is void, but a waiver actually signed and furnished remains binding without payment. Ambiguity is construed against the signer, and failure to state a specific express limitation makes the waiver reach all past and future work for the improvement (§§ 779.05(1), 779.135(1)). |
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Requirements one by one
A contract cannot require the waiver before payment
Wis. Stat. § 779.135(1) voids a provision requiring a person entitled to a
construction lien to waive either the lien or a payment-bond claim before the
person has been paid for the labor, services, materials, plans, or specifications
the person supplied.
This is a ban on the contract requirement. It does not make every prepayment
waiver ineffective, because § 779.05 separately governs a document the claimant
actually signs and furnishes.
A signed waiver is binding even without payment
Section 779.05(1) states that a signed waiver is valid and binding "whether or
not consideration was paid" and whether signed before or after the work was
performed, furnished, procured, or contracted for. The claimant has a statutory
right to refuse a requested waiver until paid in full for the work to which it
relates. But once the claimant furnishes the signed waiver, the no-consideration
rule applies.
The default scope includes future work
Unless the document specifically and expressly limits itself to a particular
portion of the work, § 779.05(1) deems it to waive all lien rights for all labor,
services, materials, plans, or specifications furnished—or still to be
furnished—at any time for the improvement. Ambiguity is construed against the
signer.
The statute supplies no mandatory through-date, amount, retainage, extras, or
change-order fields. A claimant seeking a partial waiver must put the limitation
into the document specifically and expressly.
What trips people up
Void contract clause does not mean void signed waiver. Section 779.135
prevents the other party from requiring a prepayment waiver in the contract.
Section 779.05 can still bind a claimant that chooses to sign and furnish one.
The statutory default is broader than work already completed. Without a
specific express limitation, the document reaches both past and future work for
the improvement.
A note is not automatically a waiver. Under § 779.05(2), a promissory note
or other evidence of debt waives lien rights only if it is received as payment
and expressly declares that its receipt is a waiver.
Common questions
Can a Wisconsin construction contract require a lien waiver before payment?
No. Section 779.135(1) makes that lien-or-bond waiver requirement void.
Is a voluntary signed waiver effective before payment?
Yes. Section 779.05(1) makes the furnished signed waiver binding without
consideration and whether signed before or after the work.
Does Wisconsin require a conditional or unconditional waiver form?
No. The statute prescribes no payment-stage form. Any partial limitation must be
specific and express, or the all-work default applies.
Statutes and sources
- Wis. Stat. § 779.05(1)-(2), signed-waiver scope, refusal right, contract-right
reservation, and note rule —
https://docs.legis.wisconsin.gov/document/statutes/779.05(1)
(accessed 2026-07-23) - Wis. Stat. § 779.135(1), void prepayment lien/bond waiver requirement —
https://docs.legis.wisconsin.gov/document/statutes/779.135(1)
(accessed 2026-07-23)
Source links
Every statute quoted above, linked, with the date we checked it.
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