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MT  ·  Mechanic's Lien Guide

Montana Mechanic's Lien Warning Requirements for Contractors

Know your deadlines before you lose your rights. Montana lien law in plain English — no legalese, no fluff.

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Disclaimer: This is general information, not legal advice. Verify current deadlines with your state's contractor board or a construction attorney before relying on any figure here.
Key Deadlines

Montana Lien Law at a Glance

📅
Lien Filing Deadline
90 days from last furnishing of labor or materials
from last day of furnishing labor or materials
✅
Preliminary Notice
Not Required
No preliminary notice required
✅
Notice to Owner
Not Required
No pre-lien notice to owner required in Montana.
👷
Who Can File
Contractors, subcontractors, material suppliers, laborers
✅ No Preliminary Notice Required

Good News for Montana Contractors

Montana does not require a pre-lien preliminary notice for most contractors. You still must file the lien within the deadline and in the correct recording office.

Commercial vs Residential

Does the Property Type Change Your Deadline?

Same 90-day deadline. Montana's lien law is relatively straightforward.

Common Mistakes

What Contractors Get Wrong in Montana

1
Missing the 90-day deadline from last work or material delivery
2
Filing in the wrong county clerk and recorder's office
3
Not enforcing the lien within 2 years of filing

Don't Lose Money Because of a Missing Form

The Contractor Pack includes a lien waiver template plus 6 other forms every contractor needs — estimates, invoices, change orders, subcontractor agreements, and more. One-time payment, yours forever.

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FAQ

Montana Lien Law Questions

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This is general information, not legal advice. Verify current deadlines with your state's contractor board or a construction attorney. JobPapers sells document organization tools — we are not attorneys and do not provide legal services.