Conditional vs unconditional lien waiver
2026-09-04 · 5 min read
Both documents release the same rights. They differ on one thing — whether the release is tied to the money — and that one thing decides whether an unpaid subcontractor still has security.
| Best overall | Conditional waiver | Releases only when the payment it names is received. |
| Best free option | Conditional waiver | Statutory language is published free by several states. |
| Best for closing out | Unconditional final waiver | Only after the retainage cheque has cleared. |
Feature matrix
Our pick: the conditional waiver, in every case except a confirmed final payment
| Feature | Conditional | Unconditional |
|---|---|---|
| Takes effect | On payment | On signature |
| Amount field | Caps the release | Descriptive only |
| Safe to send pre-payment | Yes | — |
| Covers retention (progress) | — | — |
| Remedy if the cheque bounces | Release never fired | Contract claim only |
| Accepted by most lenders | Yes | Yes |
| Statutory form published (FL) | Yes | Yes |
The mechanism, in one sentence each
A conditional waiver says: when I receive this payment, my claim through this date is released. Until the money arrives it does nothing at all, which is what makes it safe to hand over with the application.
An unconditional waiver says: I have been paid, and my claim through this date is released now. It is complete on signature, and a stopped or bounced cheque does not undo it.
Where the difference bites
The gap shows up exactly once: when a payment fails after the paperwork was signed. With a conditional waiver you are unchanged — the release never fired. With an unconditional one you hold a contract claim against a party whose cheque just failed, and the lien right that would have reached the property is gone.
Neither document covers retention on a progress payment. Florida's statutory progress form says so in its own words: the release does not cover retention, or labour, services or materials furnished after the date specified. Retention is released by the final waiver, and only then.
The workable exchange
Send the conditional waiver with the application. When the funds clear, send the unconditional one for the amount that cleared, if the contract requires it. Most generals accept this because their lender's requirement is satisfied a day later rather than not at all.
Generate either from the conditional generator or the unconditional generator; nothing you type leaves the browser.
Buying checklist
- Does the document contain the word “conditional”? If not, treat it as unconditional.
- Does the through date match the billing period you were paid for?
- Does it exclude retention, or is this the final waiver?
- Have the funds actually cleared, not just been deposited?
- Did you serve the preliminary notice this waiver assumes you served?
Sources
- Fla. Stat. § 713.20(4)
Florida publishes a statutory waiver form. The progress-payment version states that it does not cover retention, or labor, services or materials furnished after the date written on it.
Read 2026-09-04
- Cal. Civ. Code § 8200
Before recording a lien, giving a stop payment notice or claiming against a payment bond, a California claimant must give preliminary notice to the owner, the direct contractor and the construction lender. A laborer is exempt.
Read 2026-09-04
- Cal. Civ. Code § 8412
A California direct contractor must record its claim of lien before the earlier of 90 days after completion of the work of improvement, or 60 days after the owner records a notice of completion or cessation.
Read 2026-09-04