# Oklahoma — Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role

For Oklahoma, preliminary notice required is conditional — not required for GC; required for subs on residential (1-4 family) or projects where aggregate unpaid balance exceeds $10,000, within 75 days of last furnishing; notice name is Pre-Lien Notice; notice deadline — gc (days) is not required; notice deadline — sub/supplier (days) is 75; lien recording deadline — gc (days) is 120, recorded from its source on 2026-08-14.

- **State:** Oklahoma _(verified: appears in the quote below)_
- **Preliminary notice required:** conditional — not required for GC; required for subs on residential (1-4 family) or projects where aggregate unpaid balance exceeds $10,000, within 75 days of last furnishing _(our reading, not quoted from the source)_
- **Notice name:** Pre-Lien Notice _(verified: appears in the quote below)_
- **Notice deadline — GC (days):** not required _(verified: appears in the quote below)_
- **Notice deadline — sub/supplier (days):** 75 _(verified: appears in the quote below)_
- **Lien recording deadline — GC (days):** 120 _(verified: appears in the quote below)_
- **Lien recording deadline — sub/supplier (days):** 90 _(verified: appears in the quote below)_
- **Enforcement deadline (days):** 365
- **Late notice consequence:** forfeiture _(our reading, not quoted from the source)_
- **Statute:** Oklahoma Statute Annotated Title 42 §141-154 _(verified: appears in the quote below)_

## What the source says

> Construction mechanic liens are governed by Oklahoma Statute Annotated Title 42 §141-154 and §171-180. Oil and gas mechanic liens are under §144-145. Public works bonds are governed by Title 61 §1-2 for contracts over $25,000. Is a preliminary notice required to file a mechanic lien in Oklahoma? Contractors need no general preliminary notice. Subcontractors must file a Pre-Lien Notice within 75 days of last furnishing (not required under $10,000). Equipment lessors must give Notice to Owner within 5 days of placing equipment on-site. Owner-occupied dwellings have additional notice requirements. What is the deadline to file a mechanic lien in Oklahoma? Contractors: 4 months from last performance. Subcontractors and materialmen: 90 days from last performance. Equipment lessors: 90 days. Oil and gas: 120 days.

## Source

- https://mechanicslien.com/oklahoma

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/).