Montana · Mont. Code §71-3-531
Lien Clock runs.
Notice of right to claim a lien — 20 days (many jobs)

Many Montana claimants must give a notice of right to claim a lien within 20 days of first furnishing (§71-3-531). That is a first-furnishing clock. We serve owner and contractor.
Start the clock · We draft. You approve. We send.