Missouri Mechanics Lien Guide and FAQs

Last updated July 10, 2020
If contractors and suppliers don’t get paid on a construction project in Missouri, they can file a mechanics lien to secure payment. A mechanics lien is a legal tool that provides the unpaid party with a security interest in the property. This page breaks down the rules, requirements, and deadlines you need to follow to file a Missouri mechanics lien.

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When should a mechanics lien be used in the payment process?

Start a job

Preliminary notice
slow
pay?

Escalate payment problem

Notice of intent to lien
no
pay?

Demand payment

Mechanics lien

Missouri lien deadlines for:

Preliminary notice deadlines
Before 1st Payment

Disclosure notice served on owner prior to first payment.

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Mechanics liens deadlines
6 months

Lien must be filed within 6 months of last work.

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Enforcement deadlines
6 months

An action to enforce a Missouri mechanics lien must be initiated within 6 months from filing.

Preliminary notice deadlines
10 days

Notice of Intent to Lien 10 days prior to filing lien. Written consent from residential owner before work.

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Mechanics liens deadlines
6 months

Lien must be filed within 6 months of last work.

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Enforcement deadlines
6 months

An action to enforce a Missouri mechanics lien must be initiated within 6 months from filing.

Preliminary notice deadlines
10 days

Notice of Intent to Lien 10 days prior to filing lien. Written consent from residential owner before work. Equipment rental within 15 days of delivery.

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Mechanics liens deadlines
6 months or 60 days

Lien must be filed within 6 months of last work. Equipment lessors must file lien w/in 60 days of removing equipment.

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Enforcement deadlines
6 months

An action to enforce a Missouri mechanics lien must be initiated within 6 months from filing.