Missouri lien waiver requirements
Missouri prescribes an unconditional final lien waiver form for residential property, and a refusal to sign after payment carries a $500 penalty.
Mo. Rev. Stat. § 429.016
Yes. Missouri requires you to use the statutory lien waiver form set out in Mo. Rev. Stat. §429.016. Substitute your own wording, or use a generic template instead, and the waiver can be challenged or thrown out when you need it to hold up.
The short version
Missouri is the twelfth state that locks down the lien waiver form by statute. Section 429.016 governs mechanic's liens on residential real property and sets out the exact words an unconditional final waiver must use. If you have been paid in full, you have five calendar days to sign the prescribed form on written request. Miss that, and the statute presumes slander of title plus a $500 penalty.
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At a glance
- § 429.016 applies to residential real property
- Unconditional final waiver form is prescribed by statute
- 5-day window to sign after written request and full payment
- Refusal triggers $500 statutory penalty plus slander-of-title exposure
The prescribed unconditional final form
Section 429.016 spells out the substantial language for an unconditional final mechanic's lien waiver on residential property. The claimant's legal name, the signer's name, title, address, phone, and the date of signing all have to appear with the signature. A waiver that drops these fields is not on a form that is substantially as prescribed.
The statutory definition is plain: an unconditional final waiver is a complete and absolute release of any lien rights on the residential property, including any rights that might arise from remedial or additional work after the fact. Treat it as the closeout document, not a mid-project release.
The five-day rule and the $500 penalty
If a claimant has recorded a notice of rights and been paid in full, the claimant has to sign an unconditional final waiver within five calendar days of a written request. The statute does not give wiggle room. A claimant who refuses or drags their feet is presumed liable for slander of title and any damages that follow.
There is also a flat $500 statutory penalty on top of the slander exposure. For GCs, this is the lever to get final waivers signed promptly. Send the request in writing, keep a copy with the timestamp, and the five-day clock starts running.
Commercial vs. residential treatment
Section 429.016 applies to mechanic's liens against residential real property, except for repair, remodeling, or addition to owner-occupied residential property of four units or less, which falls under § 429.013. Commercial projects do not get the same prescribed form or the five-day rule. For commercial work, parties can use any waiver form they agree to.
If you run mixed-portfolio work, label your waiver templates clearly. The wrong form on the wrong project type is the most common mistake here. A § 429.016 form sent for a strip-mall buildout is not invalid, but it is the wrong tool for the job.
Questions
For unconditional final waivers on residential real property under § 429.016, yes. The waiver has to be on a form substantially as prescribed by the statute. Commercial waivers have no statutory form.
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