# Louisiana — Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role For Louisiana, preliminary notice required is conditional — GC on commercial projects over $25,000 must record Notice of Contract before work begins; subcontractors must serve Notice of Nonpayment; residential GC must furnish Notice of Mechanic Lien Rights; notice name is Notice of Contract; notice deadline — gc (days) is not required (must record Notice of Contract before work begins on commercial projects over $25,000, or furnish Notice of Mechanic Lien Rights before signing on residential); notice deadline — sub/supplier (days) is 75 days from last day of month in which materials were delivered (Notice of Nonpayment for material suppliers); lien recording deadline — gc (days) is 60 days after Notice of Termination (if Notice of Contract filed), or 60 days after substantial completion (if no Notice of Contract), recorded from its source on 2026-08-14. - **State:** Louisiana - **Preliminary notice required:** conditional — GC on commercial projects over $25,000 must record Notice of Contract before work begins; subcontractors must serve Notice of Nonpayment; residential GC must furnish Notice of Mechanic Lien Rights _(our reading, not quoted from the source)_ - **Notice name:** Notice of Contract - **Notice deadline — GC (days):** not required (must record Notice of Contract before work begins on commercial projects over $25,000, or furnish Notice of Mechanic Lien Rights before signing on residential) - **Notice deadline — sub/supplier (days):** 75 days from last day of month in which materials were delivered (Notice of Nonpayment for material suppliers) - **Lien recording deadline — GC (days):** 60 days after Notice of Termination (if Notice of Contract filed), or 60 days after substantial completion (if no Notice of Contract) - **Lien recording deadline — sub/supplier (days):** 30 days after Notice of Termination (if prime contract recorded), or 60 days after substantial completion (if not recorded) - **Enforcement deadline (days):** 365 - **Late notice consequence:** forfeiture — Failure to timely record the Notice of Contract eliminates the prime contractor's privilege against the property _(our reading, not quoted from the source)_ - **Statute:** L.R.S. §9:4801 et seq. ## What the source says > General contractors: 60 days after Notice of Termination. Subcontractors: 30 days (recorded prime contract) or 60 days (unrecorded). Residential materialmen: 70 days. Commercial materialmen/lessors: 30 days (recorded) or 60 days (unrecorded). All deadlines triggered by Notice of Termination or substantial completion. ## Source - https://mechanicslien.com/louisiana Last verified: 2026-08-14. Review by: 2027-08-14. Part of [Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role](https://referencesource.org/mechanics-lien-deadlines-by-state/).