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California Mechanics Lien & Preliminary Notice Deadline Calculator

Calculate exact statutory cutoff dates for commercial subcontractors in California (CA) under 20-Day Preliminary Notice (Civil Code § 8200) and export calendar reminder alerts.

California (CA) Mechanics Lien Deadline Calculator

Statute Reference: 20-Day Preliminary Notice (Civil Code § 8200)

90-Day Filing Window
California Preliminary Notice Deadline
Enter First Work Date

Notice must be served within 20 days of first furnishing labor or materials.

California Final Mechanics Lien Cutoff
Enter Last Work Date

Calculated 90 calendar days from your last day furnishing labor or materials.

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When is a preliminary notice due in California?

In California, specialty subcontractors must serve a 20-Day Preliminary Notice (Civil Code § 8200) within 20 days of first furnishing labor or materials. Notice must be served within 20 days of first furnishing labor or materials.

Read Step-by-Step California Preliminary Notice Guide →

How many days do you have to file a mechanics lien in California?

Under 20-Day Preliminary Notice (Civil Code § 8200), a California mechanics lien must generally be filed within 90 days from the last day labor or materials were furnished to the project.

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Mechanics Lien Deadlines by State (All 50 States + D.C.)