Lien Waivers Explained: Conditional vs. Unconditional, Progress vs. Final

Lien waivers are routine paperwork on a lot of jobs, and they’re easy to sign without reading closely. Sign the wrong one, or the right one at the wrong time, and you can give up your right to be paid. Here’s how the four standard types work, when to use each, and which states require exact statutory wording.

This is general information, not legal advice. Lien laws are state-specific and they change. Before you rely on any waiver form, read your state’s statute and talk to a construction attorney where you work.

What a lien waiver does

Contractors, subcontractors and suppliers who aren’t paid can generally file a mechanic’s lien against the property they improved, if they follow their state’s notice and deadline rules. A lien waiver is a document in which the person being paid gives up some or all of those lien rights, usually in exchange for a payment.

Owners, lenders and general contractors ask for waivers so they know the people they’ve paid can’t later file a lien for the same money. Waivers protect the payer. Your job, when you sign one, is to make sure it gives up only what you’ve actually been paid.

The four types

Waivers come in two pairs: conditional or unconditional, and progress or final. Progress waivers are also called partial or interim waivers.

Conditional waiver on progress payment

Gives up lien rights for work through a stated date, but only if and when the stated payment actually reaches you. Use it when you’re asking for a progress payment and the payer wants a waiver up front.

Unconditional waiver on progress payment

Gives up lien rights for work through a stated date, effective right away, whether or not the money has arrived. Sign it only after the payment has cleared your bank.

Conditional waiver on final payment

Gives up all lien rights for the job once the final payment is received. Use it when you’re asking for the final payment.

Unconditional waiver on final payment

Gives up all lien rights for the job, effective right away. It’s the most powerful waiver you can sign. Sign it only after the final payment has cleared.

The safe order of operations

1. When you invoice, offer a conditional waiver for that payment amount and through-date.
2. When the payment clears, not just when it arrives, provide the matching unconditional waiver if one is required.
3. Keep both waivers with a copy of the payment record.

If a check bounces after you’ve signed an unconditional waiver, you may have no lien rights left for that money. That’s why the timing matters as much as the form.

States with statutory waiver forms

In some states, a lien waiver works only if it follows the wording set in the statute. Use a different form and the waiver may be unenforceable. These states set statutory waiver forms, based on the statutes as we read them on October 16, 2026:

• Arizona (A.R.S. § 33-1008): a waiver is effective only if it substantially follows one of four forms, conditional or unconditional, progress or final.
• California (Civil Code §§ 8132, 8134, 8136 and 8138): a waiver is “null, void, and unenforceable” unless it’s in substantially the statutory form. There are four forms, and the Contractors State License Board explains them.
• Georgia (O.C.G.A. § 44-14-366, as amended effective January 1, 2021): interim and final waivers must substantially follow the statutory forms, in at least 12-point type.
• Massachusetts (M.G.L. c. 254, § 32): narrower than the others. Lien waiver covenants are void, except a “Partial Waiver and Subordination of Lien” given by someone who has filed a notice of contract, which must follow the statutory form.
• Michigan (MCL 570.1115): four forms, partial or full and conditional or unconditional, which include a paragraph for residential structures.
• Mississippi (Miss. Code Ann. §§ 85-7-419 and 85-7-433): interim and final waivers must substantially follow the statutory forms.
• Missouri (RSMo § 429.016): residential only. For homes of four units or fewer, an unconditional final lien waiver is valid only on a form substantially like the one in the statute.
• Nevada (NRS 108.2457): a waiver is unenforceable unless it’s in the statutory forms. There are four.
• Texas (Tex. Prop. Code § 53.284, as amended effective January 1, 2022): a waiver is unenforceable unless it substantially complies with the applicable form. There are four.
• Utah (Utah Code § 38-1a-802): forms for a conditional progress waiver, a final waiver and a restrictive check endorsement. The statute also allows other ways to meet its requirements, so the forms work partly as a safe harbor.
• Wyoming (Wyo. Stat. § 29-10-101(b)): waivers must be completed in substantially the statutory form.

Florida is a special case. Its statutory forms are optional under Fla. Stat. § 713.20, and a waiver in another form can be enforced on its terms. But no one may require a lienor to give a waiver that’s different from the statutory forms.

Secondary sources disagree on some details, such as whether the Texas forms apply to single-family homes and how far the Mississippi forms reach. Read the statute itself, and get local advice before you rely on any form.

In every other state

No required form doesn’t mean any form is fine. Read every waiver before you sign it, and watch for:

• Waivers that go further than the payment. Language that releases “all claims,” or covers work through a later date than the payment does.
• Waivers of future rights. Some contracts ask you to waive lien rights before any work is done or any payment is made. States treat this differently; Massachusetts, as noted above, voids lien waiver covenants with one narrow exception. Know your state’s rule.
• Missing exceptions. Retainage still held, unpaid change orders and disputed amounts should be written in as exceptions.
• Wrong details. The property address, owner, payer, amount and through-date should all match the payment.
• Unconditional wording on a “conditional” form. Read the sentence that does the waiving, not just the title.

If you’re the general contractor

You’re on both sides: giving waivers to the owner and collecting them from subs and suppliers. A simple routine:

• Collect a conditional waiver from each sub and supplier with their invoice, and the unconditional waiver once their payment clears.
• Don’t release a sub’s final payment without their conditional final waiver.
• Track waivers by job, by vendor and by payment, so you can hand the owner a complete set at closeout.
• Make lien waivers part of your closeout checklist, next to the punch list, final invoice and warranty.

Get the template

Download the free lien waiver template for states without a required form; in the states listed above, use the statutory wording instead. Check your state’s contractor rules in the license guides, and see the glossary for lien waivers, mechanic’s liens, retainage and other closeout terms. If you use ECHOPS, you can send any waiver PDF for e-signature with up to six signers, get a signing certificate that records who signed, how, when and where, and keep the signed copy in the project’s files.

FAQ

What is a lien waiver in construction?

A lien waiver is a document in which the person being paid gives up some or all of their mechanic’s lien rights, usually in exchange for a payment. Owners, lenders and general contractors ask for them so the people they’ve paid can’t later file a lien for the same money. When you sign one, make sure it gives up only what you’ve actually been paid.

Should I sign a lien waiver before I’m paid?

Only a conditional one. A conditional waiver gives up lien rights only if and when the stated payment reaches you, so it’s the one to send with your invoice. Sign the unconditional waiver only after the payment clears your bank. If a check bounces after you’ve signed an unconditional waiver, you may have no lien rights left for that money. This isn’t legal advice, and lien laws vary by state; start with the license guides.

What is a partial lien waiver?

It’s another name for a progress or interim waiver. It gives up lien rights for work through a stated date in exchange for a progress payment, not for the whole job, and it comes in conditional and unconditional versions. Write in exceptions for retainage still held, unpaid change orders and disputed amounts. The free lien waiver template works in states without a required form.

Which states require a statutory lien waiver form?

Based on the statutes as we read them on October 16, 2026, Arizona, California, Georgia, Michigan, Mississippi, Nevada, Texas, Utah and Wyoming set statutory forms. Massachusetts has a narrow rule, Missouri’s covers only unconditional final waivers on homes, and Florida’s forms are optional. In those states, use the statutory wording. This isn’t legal advice; read your state’s statute and talk to a construction attorney.