A mechanics lien is one way an unpaid claimant may protect a construction-payment claim against private property. It is not the only possible remedy, and serving a preliminary notice is not the same as recording a lien. Contract claims, stop payment notices and payment-bond claims follow their own rules. S10
1. Preliminary notice: who receives it and when
On a typical private project, a subcontractor or supplier serves a preliminary notice on the owner or reputed owner, direct contractor or reputed direct contractor, and construction lender if there is one. A direct contractor generally has a preliminary-notice obligation to the construction lender; laborers have a statutory exception. The recipient and service rules matter, not just the date. S11
What happens if a preliminary notice is served late in California?
The standard preliminary-notice period is 20 days after first furnishing work. A late notice generally preserves covered rights only for work in the 20 days before service and work afterward. It does not restore protection for all earlier deliveries. Keep proof of service and a record of when your own work began. S11
2. Recording the lien: calculate a separate deadline
For ordinary private-work scenarios, the outer period is generally 90 days after completion. A valid recorded notice of completion or cessation can shorten it to 60 days for a direct contractor and 30 days for other claimants. Recording must also occur after the claimant’s legally relevant completion or cessation of furnishing work. A notice of completion is generally recorded within 15 days after completion; a notice of cessation involves at least 30 continuous days of stopped labor. S10, S11
These are study rules, not a project-specific deadline calculation. The legal definition of completion, required notice to claimants and statutory exceptions can affect the result. A final invoice date is not a substitute for identifying the legally relevant event.
3. Enforcement: filing a court action
The ordinary foreclosure-action deadline is 90 days after recording the lien. A qualifying recorded extension of credit can change that deadline within statutory limits, so “every lien automatically disappears without exception after 90 days” is too absolute. S11
For exam practice, draw three separate lines: first work and preliminary notice; project completion and recording; lien recording and court action. For each timeline, note who must act and which event starts the deadline. That method prevents the common mistake of assigning a correct number to the wrong legal step.
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