Lien waiver
Also called mechanic's lien waiver, waiver and release.
A signed release giving up the right to file a mechanic's lien for work performed, exchanged for payment — and in construction, the document that decides whether you can enforce against the property.
Drafted with AI assistance. Not yet independently checked. Nobody has verified the claims on this page against a source, so treat the figures and legal points as a starting point rather than as settled, and confirm anything you are about to act on. How we check things.
What it means
Contractors, subcontractors and suppliers who improve real property have a statutory right to place a lien on that property if they are not paid. Owners and general contractors extract waivers of that right as a condition of releasing payment, and the exchange happens on every draw.
The four standard forms
- Conditional partial: releases lien rights for work through a date, effective only when the accompanying payment actually clears
- Unconditional partial: releases lien rights for work through a date, effective immediately, whether or not payment clears
- Conditional final: releases all rights on the project, conditional on final payment clearing
- Unconditional final: releases everything, immediately
The conditional forms are safe. The unconditional forms are safe only after the money is confirmed.
State variation is substantial
California, Texas, Arizona, Florida, Georgia, Massachusetts, Missouri, Mississippi, Nevada, Utah and Michigan among others prescribe statutory forms, and in several of them a waiver that departs from the statutory language is void or ineffective. Other states leave the form to contract and enforce whatever was signed. Deadlines for filing the underlying lien also vary sharply, and missing one extinguishes the right regardless of what the waivers say.
Why it matters in funding
Contractors financing receivables need those receivables to be genuine and collectible. A factor looking at construction receivables will ask about retainage, about the waiver regime on each project, and about whether lien rights remain available as backup — because for the factor, the lien right is part of what makes the invoice worth buying.
Where this one catches people
Signing an unconditional waiver before the payment clears surrenders the lien right in exchange for a promise. If the cheque bounces or the wire never arrives, you have released your only real leverage and are left with an ordinary breach of contract claim against a party who has just failed to pay you. Some states cure this by making unconditional waivers ineffective without actual payment; most do not. Match the form to the state and to whether the money has actually landed.
Where you will meet this term
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Lien waiver — common questions
What does lien waiver mean?
A signed release giving up the right to file a mechanic's lien for work performed, exchanged for payment — and in construction, the document that decides whether you can enforce against the property.
Where does lien waiver catch people out?
Signing an unconditional waiver before the payment clears surrenders the lien right in exchange for a promise. If the cheque bounces or the wire never arrives, you have released your only real leverage and are left with an ordinary breach of contract claim against a party who has just failed to pay you. Some states cure this by making unconditional waivers ineffective without actual payment; most do not. Match the form to the state and to whether the money has actually landed.
Is lien waiver the same as an interest rate?
Lien waiver is defined above; if you are comparing it against a rate, check whether the two measures share a time dimension before you put them side by side.
Which products does lien waiver apply to?
Working Capital, Invoice Financing.
Is there a worked example of lien waiver?
Not on this entry. Where a term is arithmetic, the arithmetic is shown; this one is not primarily a calculation.
What else should I read alongside lien waiver?
Ineligible receivables, Invoice, Invoice factoring, Judgment lien, Lien.
Has this definition been checked?
Not yet. This entry is drafted and live, and the notice at the top says so. Confirm anything you are about to act on.
Is this legal advice?
No. It is a definition. What a clause does in your contract, in your state, is a question for a lawyer licensed where you are.
Can I suggest a term?
Yes — [email protected]. The glossary grows from what people are actually shown in contracts.