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California Mechanics Lien Law

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

Critical Deadlines

20

days - Preliminary Notice

90

days - Lien Filing

90

days - Enforcement

📋Preliminary Notice

REQUIRED
Deadline
20 days from first furnishing
Form Name
California Preliminary Notice (Civil Code §8200)
Must be Served To
Owner, General Contractor, Construction Lender
Delivery Method
Certified mail, registered mail, or personal delivery

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

⚖️Lien Filing

Filing Deadline
90 days from completion
Where to File
County Recorder where property is located
Filing Fee
$20-50
Description
Within 90 days of completion (30 days if NOC recorded)

⏱️Enforcement

Deadline to Sue
90 days from filing lien
Description
Within 90 days of recording lien

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

🏛️Public Projects (Bond Claims)

Preliminary Notice
Required within 20 days
Bond Claim Deadline
30 days from recording_noc
Governing Statute
Civil Code §9550

Special Rules & Contractor Protections

Pay-if-Paid

✓ Unenforceable

Anti-Indemnity

✓ Protected by Civil Code §2782

Retainage Cap

5%

Prompt Payment

30 days

Waiver Forms

⚠️ Must use statutory forms

License Required

⚠️ Yes - unlicensed may lose lien rights

💡 Important Notes for California

  • PAY-IF-PAID IS UNENFORCEABLE - Always treated as pay-when-paid
  • MUST use statutory lien waiver forms - non-compliant waivers are void
  • Stop Notice available to freeze construction funds
  • SB 496 limits indemnity to proportionate fault
  • Very short 90-day enforcement deadline

📚 Statute References

Lien Law:
Civil Code §8400
Bond Law:
Civil Code §9550
Prompt Pay:
Civil Code §8800

Protect Your Rights in California

SubShield automatically applies California 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 California construction attorney for your specific situation.