California lien waivers, explained
The four statutory forms, what each one gives up, and the one rule that protects you: never sign unconditional before the money clears.
A lien waiver is the receipt of construction payments: the GC or owner pays you, and in exchange you give up lien rights for the work that payment covers. California is stricter than most states — only four waiver forms have legal effect(Cal. Civ. Code §§ 8132–8138), and a waiver that doesn’t substantially follow them is unenforceable (§ 8124).
The four statutory forms
- Conditional on progress payment (§ 8132) — covers work through a stated date, but only becomes effective once you actually receive the payment. Safe to sign when the check is promised but hasn’t cleared.
- Unconditional on progress payment (§ 8134)— effective immediately on signing, whether or not you’re paid. Sign only after the money has cleared your account.
- Conditional on final payment (§ 8136) — releases everything on the job, effective only when the final payment arrives.
- Unconditional on final payment (§ 8138) — the nuclear option: releases all lien, stop notice, and bond rights on the job the moment you sign. Only sign once the final check has cleared.
Which form do I sign?
The decision comes down to two questions:
- Has the money actually cleared?Not “the check is in the mail” — cleared. If no, sign conditional. If yes, unconditional is fine.
- Is this a progress payment or the final one? Progress waivers cover work through a stated date; final waivers cover the whole job.
The most common (and costly) mistake in the field: a GC withholds a progress check until you sign an unconditional waiver. Signing it means that if the check bounces or never comes, your lien rights for that work are already gone. The conditional form exists exactly for this situation — a GC who refuses to accept one is asking you to take all the risk.
What a waiver does not cover
The statutory forms themselves carve out retention, extras or change orders not included in the payment, and disputed claims. A progress waiver also only reaches work through its stated through-date — always check that the date and dollar amount match what you’re actually being paid for.
Generating waivers with Notice Harbor
Notice Harbor generates all four California statutory forms with your job details filled in, lets you e-sign, and sends the waiver to your GC — in seconds, from any device. Waivers are included with the Unlimited plan.
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Notice Harbor generates California's four statutory waiver forms, e-signed and sent to your GC — included with Unlimited.
Get StartedThis page is general information, not legal advice, and does not create an attorney–client relationship. California lien and notice deadlines are strict and fact-specific — “completion” alone can be triggered by actual completion, the owner’s occupancy or use, or a 60-day cessation of labor. Notice Harbor is not a law firm. Confirm any deadline that matters to your claim with a licensed California construction attorney.