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How do I file a mechanic's lien in Missouri?

Federal & State Law Editorial TeamLast reviewed: 2026-05-18

Missouri mechanic's liens are governed by Mo. Rev. Stat. Chapter 429 (§§ 429.010-.360).

1. Who Can File

Contractors, subcontractors, materialmen, architects, engineers, surveyors, landscape gardeners, and laborers furnishing labor or materials (Mo. Rev. Stat. § 429.010).

2. Preliminary / Pre-Lien Notice

For owner-occupied residential property, the original contractor must provide a Notice to Owner at or before execution of the contract, in 10-point bold type, warning of subcontractor lien rights (Mo. Rev. Stat. § 429.013). Subcontractors must serve a 10-day Notice of Intent to Lien on the owner at least 10 days before filing the lien (Mo. Rev. Stat. § 429.100).

3. Recording the Lien

File a Just and True Account of the demand with the clerk of the circuit court where the property is located, within 6 months after the indebtedness accrued (last day of furnishing) (Mo. Rev. Stat. § 429.080). The account must contain the demand, after credits, and a true description of the property.

4. Service on Owner

The 10-day Notice of Intent serves as pre-filing notice; service of the lien itself is required when joining the owner in any subsequent foreclosure.

5. Suit to Foreclose

File suit to enforce the lien within 6 months of filing the Just and True Account (Mo. Rev. Stat. § 429.170). Failure terminates the lien.

6. Priority

The lien is preferred to all encumbrances attaching after the commencement of the building or improvement (Mo. Rev. Stat. § 429.050).

7. Bond Release

Owner may discharge the lien by depositing cash or filing a bond approximating 150% of the claim (Mo. Rev. Stat. § 429.012). Section 429.014 also creates Mechanic's Lien Title Bonds.

8. Homestead / Residential

Owner-occupied residential property is protected by the § 429.013 disclosure: a GC who fails to give the statutory notice forfeits its lien rights. Subs depend on the GC's notice having been given.

9. Fraudulent Lien Penalties

A knowingly false or grossly exaggerated lien is grounds for forfeiture and may give rise to slander of title and attorney-fee awards under § 429.014; criminal liability may attach to fraudulent recording.

This is legal information, not legal advice.

When to Talk to a Lawyer
  • Owner-occupied residential project where GC may have skipped § 429.013 notice
  • Title insurance demands a Mechanic's Lien Title Bond under § 429.014
  • Calculating the 6-month accrual window for serially supplied materials
Related Statutes & Laws
  • Mo. Rev. Stat. §§ 429.010-.360
  • Mo. Rev. Stat. § 429.013
  • Mo. Rev. Stat. § 429.080
  • Mo. Rev. Stat. § 429.100

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.