# South Dakota — Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role For South Dakota, preliminary notice required is conditional — not required for GC or first-tier subs; required for subcontractors and suppliers not in privity with the owner within 60 days of first furnishing; notice name is Preliminary Notice; notice deadline — gc (days) is not required; notice deadline — sub/supplier (days) is 60; lien recording deadline — gc (days) is 120, recorded from its source on 2026-08-14. - **State:** South Dakota _(verified: appears in the quote below)_ - **Preliminary notice required:** conditional — not required for GC or first-tier subs; required for subcontractors and suppliers not in privity with the owner within 60 days of first furnishing _(our reading, not quoted from the source)_ - **Notice name:** Preliminary Notice _(verified: appears in the quote below)_ - **Notice deadline — GC (days):** not required _(verified: appears in the quote below)_ - **Notice deadline — sub/supplier (days):** 60 _(verified: appears in the quote below)_ - **Lien recording deadline — GC (days):** 120 _(verified: appears in the quote below)_ - **Lien recording deadline — sub/supplier (days):** 120 _(verified: appears in the quote below)_ - **Enforcement deadline (days):** 180 - **Late notice consequence:** forfeiture _(our reading, not quoted from the source)_ - **Statute:** S.D. Codified Laws §44-9-1 et seq. _(verified: appears in the quote below)_ ## What the source says > General contractors are not required to serve a preliminary notice. Subcontractors and suppliers not in privity with the owner must serve preliminary notice to the owner within 60 days of first furnishing. What is the deadline to file a mechanic lien in South Dakota? All claimants must file their mechanic lien within 120 days from the date of last furnishing labor or materials under S.D. Codified Laws §44-9-1 et seq. How does South Dakota mechanic lien law differ from other states? ## Source - https://mechanicslien.com/south-dakota 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/).