Contractors — 4-Month Mechanic Lien Statement Filing Deadline
Under Oklahoma law, contractors must record a Mechanic Lien Statement within 4 months of the date of last performance. This is the longest filing period among Oklahoma claimant types and provides contractors additional time to resolve payment disputes before recording a mechanic lien.
Subcontractors & Materialmen — 90-Day Filing Deadline
Subcontractors and materialmen must record a Mechanic Lien Statement within 90 days of the date of last performance or delivery. The Mechanic Lien Statement must have a certificate to O.S. section 142.6 attached.
When the Mechanic Lien Statement is recorded, the County Clerk serves Notice to the property owner within 5 days of recording. This automatic notice by the County Clerk provides the owner with prompt notification of the mechanic lien claim.
Equipment Lessors — 90-Day Filing Deadline
Equipment lessors must also record a Mechanic Lien Statement within 90 days of the date of last performance or delivery. The same County Clerk service to the owner within 5 days applies. Equipment lessors must have served Notice to Owner within 5 days of equipment being placed on-site as a prerequisite.
Oil & Gas Projects — 120-Day Filing Deadline (§144-145)
For oil and gas projects, claimants must record a Mechanic Lien Statement within 120 days of the date of last performance. This separate deadline applies to the specialized oil and gas mechanic lien provisions under §144 and §145.
County Clerk Service to Owner
When any Mechanic Lien Statement is recorded in Oklahoma, the County Clerk is required to serve Notice to the property owner within 5 days of recording. This automatic service ensures owners are promptly informed of mechanic lien claims, even if the claimant has not separately notified the owner.
Frequently Asked Questions
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 or delivery. Equipment lessors: 90 days. Oil and gas: 120 days from last performance.
What is the County Clerk service requirement in Oklahoma?
When a Mechanic Lien Statement is recorded, the County Clerk automatically serves Notice to the property owner within 5 days of recording. This applies to all mechanic lien types recorded in Oklahoma.
What must be attached to the Oklahoma Mechanic Lien Statement?
Subcontractor and materialmen Mechanic Lien Statements must have a certificate to O.S. section 142.6 attached. Failure to include this certificate may affect the validity of the mechanic lien.
Is the Pre-Lien Notice a prerequisite to filing in Oklahoma?
Yes, for subcontractors and materialmen on contracts over $10,000. The Pre-Lien Notice must be filed prior to the Mechanic Lien Statement but no later than 75 days after last furnishing.
Are there separate mechanic lien deadlines for Oklahoma oil and gas projects?
Yes. Oil and gas mechanic liens under §144-145 must be recorded within 120 days of last performance. A Notice to Owner must be served within 180 days of last furnishing by certified mail or personal service.
Related Oklahoma Resources
Explore other critical compliance areas for Oklahoma construction mechanic lien law.
Notice Requirements
Pre-Lien Notice within 75 days for subcontractors, Equipment Lessor 5-day notice, owner-occupied dwelling statutory notices, and public works bond notice within 90 days
Mechanic Lien Enforcement Deadlines
1-year suit deadline from mechanic lien filing, public works bond suit within 1 year, retainage provisions, and oil and gas enforcement
Oklahoma Overview
Return to the main Oklahoma construction mechanic lien law page