20-day Preliminary Notice

What is a California 20-day Preliminary Construction Notice?

If you hire a contractor and that contractor e.g.

  • Hires a subcontractor
  • Buys material for your project
  • Rents a machine to work on your project

The company that supplies the material or service can notify you of this with a 20-Day Preliminary Construction Notice.
That way they can put a lien on your property if they are not paid by the person who you hired.

In other words, you might have paid the contractor, but he did not pay the subcontractor or material supplier and you might have to pay again!!


The California Preliminary 20-Day Notice states that the subcontractor or supplier has provided or will be providing goods and services to improve your property and could file a lien claim if they are not paid.

Top 10 Mistakes made with 20-day Preliminary Notices
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