Missouri Mechanics Lien — Deadlines, Laws, and Filing Guide
Missouri mechanics lien law is governed by Missouri Revised Statutes Chapter 429. Missouri has a 6-month filing deadline from the last date of furnishing labor or materials. Missouri requires subcontractors and suppliers to serve a 10-day notice on the property owner before filing a lien. This guide covers Missouri lien rights in 2026.
Missouri Mechanics Lien Deadlines
Missouri mechanics lien deadlines are governed by Missouri Revised Statutes Section 429.080. The 6-month filing deadline applies to all claimant types. Subcontractors and suppliers must also serve a 10-day notice on the property owner before filing the lien.
Missouri 10-Day Notice Requirement
Missouri requires subcontractors and suppliers to serve a 10-day notice on the property owner before filing a mechanics lien. This notice gives the owner 10 days to pay the debt before the lien is filed. The 10-day notice must be served before the 6-month deadline.
How to File a Mechanics Lien in Missouri
Step 1: Serve 10-day notice on property owner if you are a subcontractor or supplier. Step 2: Wait 10 days after notice before filing. Step 3: Prepare the lien statement per Missouri Revised Statutes 429.080. Step 4: File with the circuit court clerk. Step 5: Enforce within 6 months of filing.
Missouri Mechanics Lien Enforcement
Missouri mechanics liens must be enforced by filing a lawsuit within 6 months of the date the lien was filed. Missouri requires enforcement in the circuit court of the county where the property is located.
Frequently Asked Questions
What is the deadline to file a mechanics lien in Missouri?
The deadline is 6 months from the last date of furnishing labor or materials under Missouri Revised Statutes Section 429.080.
What is the 10-day notice requirement in Missouri?
Missouri requires subcontractors and suppliers to serve a 10-day notice on the property owner before filing a mechanics lien. Filing without the 10-day notice renders the lien invalid.
How long does a mechanics lien last in Missouri?
A Missouri mechanics lien must be enforced by filing a lawsuit within 6 months of the date the lien was filed or it expires permanently.