Home/Missouri Lien Deadlines

Missouri Mechanics Lien & Preliminary Notice Deadline Calculator

Calculate exact statutory cutoff dates for commercial subcontractors in Missouri (MO) under Notice of Intent to File Lien (Mo. Rev. Stat. § 429.100) and export calendar reminder alerts.

Missouri (MO) Mechanics Lien Deadline Calculator

Statute Reference: Notice of Intent to File Lien (Mo. Rev. Stat. § 429.100)

180-Day Filing Window
Missouri Preliminary Notice Deadline
Enter First/Invoice Date

Subcontractors must provide 10 days notice to owner prior to filing.

Missouri Final Mechanics Lien Cutoff
Enter Last Work Date

Calculated 180 calendar days from your last day furnishing labor or materials.

Get Automated SMS Alerts ($19/mo) →

When is a preliminary notice due in Missouri?

In Missouri, specialty subcontractors must serve a Notice of Intent to File Lien (Mo. Rev. Stat. § 429.100) within 10 days of invoice or pre-filing notice date. Subcontractors must provide 10 days notice to owner prior to filing.

Read Step-by-Step Missouri Preliminary Notice Guide →

How many days do you have to file a mechanics lien in Missouri?

Under Notice of Intent to File Lien (Mo. Rev. Stat. § 429.100), a Missouri mechanics lien must generally be filed within 180 days from the last day labor or materials were furnished to the project.

Generate a Missouri Notice of Intent to Lien Letter →
Free Subcontractor Estimating Suite

Pricing your next Missouri commercial bid?

Calculate true payroll burden, overhead recovery, and gross profit margin before submitting your proposal.

Mechanics Lien Deadlines by State (All 50 States + D.C.)