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Oklahoma Mechanics Lien Law

Everything you need to know to protect your lien rights in Oklahoma

Critical Deadlines

75

days - Preliminary Notice

90

days - Lien Filing

360

days - Enforcement

📋Preliminary Notice

REQUIRED
Deadline
75 days from first furnishing
Form Name
Pre-Lien Notice
Must be Served To
Owner, General Contractor
Delivery Method
Certified mail

Warning: Missing this deadline may result in losing ALL lien rights.

⚖️Lien Filing

Filing Deadline
90 days from last work
Where to File
County Clerk
Filing Fee
$15-30
Description
Within 90 days of last furnishing

⏱️Enforcement

Deadline to Sue
360 days from filing lien
Description
Within 1 year of filing lien

Note: If you don't file a lawsuit within this period, your lien becomes unenforceable.

🏛️Public Projects (Bond Claims)

Preliminary Notice
Required within 75 days
Bond Claim Deadline
90 days from completion
Governing Statute
61 O.S. §1

Special Rules & Contractor Protections

Pay-if-Paid

⚠️ Enforceable

Anti-Indemnity

✓ Protected by 15 O.S. §221

Retainage Cap

5%

License Required

Not required for liens

💡 Important Notes for Oklahoma

  • 75-day pre-lien notice required

📚 Statute References

Lien Law:
42 O.S. §141
Bond Law:
61 O.S. §1

Protect Your Rights in Oklahoma

SubShield automatically applies Oklahoma lien laws when analyzing your contracts. Get deadline tracking, compliance alerts, and personalized risk analysis.

This information is for educational purposes only and is current as of January 2026. Always consult with a licensed Oklahoma construction attorney for your specific situation.