California Lien Waiver & Release — The Four Statutory Forms (Cal. Civ. Code §§ 8132 / 8134 / 8136 / 8138, 2026)
✓ Verified against California statutes · Reviewed August 2026 · By Michael Evan — Founder · 50 states · 799 rules
California mechanics lien deadlines at a glance
Preliminary Notice
20 days — Prelim from first furnishing
Mechanics Lien
90 days — From completion (60 after NOC)
Enforcement
90 days — From recording
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What a California Lien Waiver Is and the Four Forms That Are the Only Valid Ones
A lien waiver and release is the document a contractor, subcontractor, or supplier signs to give up mechanics lien rights in exchange for a payment. California is one of roughly a dozen states that removes all drafting discretion from that document: under Cal. Civ. Code §§ 8120 through 8138, a waiver and release is effective only if it uses one of four prescribed statutory forms. There is no valid free-form California waiver. Section 8124 states the rule directly — a claimant's waiver and release does not release the owner, construction lender, or surety on a payment bond unless the waiver is in substantially the statutory form and is signed by the claimant, and, if conditional, unless there is evidence of payment. The four forms exist because a California waiver answers two independent questions at once: has the claimant actually been paid (conditional vs. unconditional), and is this a progress payment or the final payment (a release through a stated 'through date' vs. a release of the whole project). Cross those two questions and you get the four quadrants that map onto §§ 8132, 8134, 8136, and 8138.
The Four California Statutory Waiver Forms
Section 8132 is the Conditional Waiver and Release on Progress Payment, exchanged for a progress payment not yet received; it releases rights through the 'through date' only once the payment clears. Section 8134 is the Unconditional Waiver and Release on Progress Payment, given after a progress payment has cleared; it releases those rights immediately on signing and carries a bold 'do not sign until paid' warning. Section 8136 is the Conditional Waiver and Release on Final Payment, exchanged to collect the final check; it releases all project rights once that payment clears. Section 8138 is the Unconditional Waiver and Release on Final Payment, given after final payment has cleared; it releases all lien, stop-payment-notice, and bond rights immediately on signing and is the single most dangerous form to sign early. All four release the same three remedies together — the mechanics lien, the stop payment notice against undisbursed construction funds, and the payment-bond claim.
Conditional vs. Unconditional — the Distinction That Costs Money
Every real California waiver problem comes down to this distinction. A conditional waiver (§ 8132 progress, § 8136 final) releases nothing until the payment it is exchanged for actually clears the bank, so it is the correct form to hand over in order to get a check — if the check bounces or never comes, the claim survives, which is why § 8124 conditions its effectiveness on evidence of payment. An unconditional waiver (§ 8134 progress, § 8138 final) releases the claimant's rights the instant it is signed, whether or not the claimant was paid, and carries a conspicuous statutory warning against signing before payment. A contractor who signs an unconditional waiver against a promised-but-uncleared check and never sees the money has traded a secured claim for an unsecured one. The rule is absolute: sign conditional to exchange for a payment you have not collected, and sign unconditional only after the funds have cleared your account.
What Makes a California Waiver Valid and the Bar on Advance Waiver
Section 8124 requires the waiver to substantially follow the correct statutory form, to be signed by the claimant or an authorized agent, and — for a conditional release — to be backed by evidence of payment such as an endorsed check or written acknowledgment. The 'through date' must accurately describe the labor and materials covered. The overriding prohibition is § 8122: an owner, direct contractor, or subcontractor may not waive, affect, or impair another claimant's rights in advance, and any contract term purporting to do so is void and unenforceable unless and until the claimant signs a statutory waiver. A 'no-lien' clause does not strip a California claimant's rights; those rights leave only through one of the four §§ 8132–8138 forms at the time a specific payment changes hands. California is one of the most claimant-protective states on this point.
No Notarization and the Danger of Extra Language
California waivers do not require notarization — none of §§ 8132–8138 imposes a notary requirement, and a party demanding one is adding a step the statute does not. What the statute requires is substantial compliance with the form, and that is where added language becomes a hazard. Owners and general contractors frequently attach riders releasing 'any and all claims,' waiving delay or change-order claims, or adding indemnity terms. To the extent those additions reach beyond the lien, stop-payment-notice, and payment-bond rights the statutory form releases, they can push the document outside substantial compliance and strip the claimant of contract claims the mechanics lien law never touched. Keep the waiver to the statutory text, note disputed amounts and pending change orders in a separate reservation-of-rights letter, and have a construction attorney review any rider before signing. A waiver is also not a substitute for the § 8200 preliminary notice, which creates the rights a waiver later gives up.
Frequently Asked Questions
What are the four California statutory lien waiver forms?
Cal. Civ. Code § 8132 (Conditional Waiver and Release on Progress Payment), § 8134 (Unconditional Waiver and Release on Progress Payment), § 8136 (Conditional Waiver and Release on Final Payment), and § 8138 (Unconditional Waiver and Release on Final Payment). Under § 8124, a waiver releases the owner, construction lender, or surety only if it substantially follows the applicable form, is signed by the claimant, and — for a conditional release — is supported by evidence of payment. A waiver that departs from these forms is unenforceable.
What is the difference between a conditional and unconditional waiver?
A conditional waiver (§ 8132 progress, § 8136 final) releases lien, stop-payment-notice, and bond rights only when the payment it is exchanged for actually clears — if the check bounces, the claim survives. An unconditional waiver (§ 8134 progress, § 8138 final) releases those rights immediately on signing, whether or not the claimant was paid, and carries a bold statutory warning against signing before payment. Sign conditional to collect a payment; sign unconditional only after it has cleared.
Can a California contractor waive lien rights in advance?
No. Cal. Civ. Code § 8122 provides that an owner, direct contractor, or subcontractor may not waive, affect, or impair another claimant's rights in advance, and any contract term purporting to do so is void and unenforceable unless and until the claimant signs a statutory waiver. A 'no-lien' clause does not strip a California claimant's rights; those rights can be given up only through one of the four §§ 8132–8138 forms at the time a specific payment is exchanged.
Does a California lien waiver need to be notarized?
No. None of the four statutory forms under §§ 8132–8138 requires notarization. The only requirements under § 8124 are substantial compliance with the applicable form, the claimant's signature, and — for a conditional release — evidence of payment. A demand for notarization exceeds what the statute requires, though the signature must be genuine and the through date accurate.
Is a lien waiver the same as a preliminary notice?
No — they are opposites. A § 8200 preliminary notice, served within 20 days of first furnishing, creates and preserves lien, stop-payment-notice, and bond rights. A §§ 8132–8138 waiver gives those rights up in exchange for payment. Signing waivers does not cure a missed preliminary notice, and serving the notice does not protect a claimant who later signs an unconditional final waiver before the final check clears.
What rights does the waiver release?
All four forms release three remedies together — the mechanics lien against the property, the stop payment notice against undisbursed construction funds, and the claim on a payment bond. A progress waiver releases them only through the stated 'through date'; a final waiver releases them for the entire project. Because they release as a package, an unconditional final waiver signed before payment loses the lien, the stop notice, and the bond claim at once.
Can extra language be added to the form?
It is risky. Section 8124 requires 'substantial' compliance with the statutory forms, which are built to release only lien, stop-notice, and bond rights. Riders that release 'any and all claims' or add indemnity or delay-claim waivers reach beyond the statutory release, can defeat substantial compliance, and may strip contract claims the lien law never touched. Keep the waiver to the statutory text and handle carve-outs in a separate reservation-of-rights letter.