# Idaho — Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role For Idaho, preliminary notice required is conditional — not required on commercial projects; GC must deliver Disclosure Statement / Notice of Right to Lien to homeowner at contract signing on residential projects; notice name is Disclosure Statement / Notice of Right to Lien; notice deadline — gc (days) is not required; notice deadline — sub/supplier (days) is not required; lien recording deadline — gc (days) is 90, recorded from its source on 2026-08-14. - **State:** Idaho - **Preliminary notice required:** conditional — not required on commercial projects; GC must deliver Disclosure Statement / Notice of Right to Lien to homeowner at contract signing on residential projects _(our reading, not quoted from the source)_ - **Notice name:** Disclosure Statement / Notice of Right to Lien _(verified: appears in the quote below)_ - **Notice deadline — GC (days):** not required _(verified: appears in the quote below)_ - **Notice deadline — sub/supplier (days):** not required _(verified: appears in the quote below)_ - **Lien recording deadline — GC (days):** 90 - **Lien recording deadline — sub/supplier (days):** 90 - **Enforcement deadline (days):** 6 months - **Late notice consequence:** none _(our reading, not quoted from the source)_ - **Statute:** Idaho Statutes §45-501 to §45-517 ## What the source says > Not required on commercial projects. No pre-work preliminary notice is required for any claimant. On residential (owner-occupied) projects, the general contractor must deliver a Disclosure Statement / Notice of Right to Lien to the homeowner at contract signing; failure to deliver can affect lien rights. ## Source - https://mechanicslien.com/idaho 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/).