How many days do you have to file a mechanics lien in Oklahoma?
The original contractor files a verified lien statement with the county clerk of the county where the land is, within 4 months after the last labor or materials were furnished. Subcontractors and suppliers must file within 90 days after the last labor or materials. The statement gives the amount claimed and its items, the owner, the contractor, the claimant and a legal description. Within 5 business days after filing, the county clerk mails notice of the lien to the owner by certified mail.1 42 O.S. 142, 143, 143.1
Do you need a preliminary notice in Oklahoma?
Anyone who is not the original contractor must send a written pre-lien notice to the original contractor and the owner within 75 days after the last labor, materials or equipment was supplied, and before filing the lien statement. The notice is not required for claims on residential projects of four or fewer units that no owner occupies, or for total claims under $10,000, unless the property is occupied by an owner as a dwelling, in which case the notice is required. Certified mail, return receipt requested, gives a presumption the notice was sent properly. A notarized affidavit that the notice was sent must be filed with the lien statement.1 42 O.S. 142.6
How long is a mechanics lien good for in Oklahoma?
A lawsuit to enforce the lien must be filed in district court in the county where the land is within one year after the lien was filed with the county clerk.1 42 O.S. 172
Who can file a mechanics lien in Oklahoma?
Anyone who, under a written or oral contract, performs labor, furnishes materials or rents equipment for building, altering or repairing a building or improvement has a lien. Subcontractors and day laborers have lien rights through the same process.1 42 O.S. 141, 143
Does an Oklahoma lien claim have to be notarized?
The lien statement must be verified by affidavit.1 42 O.S. 142, 143
What about public jobs in Oklahoma?
Public construction contracts over $100,000 require a payment bond for the full contract amount. Claimants can sue on the bond within one year after the last labor or materials, and second-tier claimants must give notice to the contractor and surety within 90 days.2 61 O.S. 1, 2
Sources
- 42 O.S. 142, 143, 143.1 (oklegislature.gov, 2026-10-27)
- 61 O.S. 1, 2 (oklegislature.gov, 2026-10-27)