Contractor Law Class

Insurance and Liens

Official exam weight: 12%

Official subtopics

  • Workers' compensation and liability insurance minimums
  • Mechanics' lien rights, recording deadlines, and release requirements
  • Preliminary notice and stop-payment notice procedures
  • Bond claims on public works
  • Uninsured contractor penalties

Study note

This 12% section combines two related ideas: the insurance a contractor must carry, and the lien tools a contractor can use to get paid — plus the notices that protect everyone else from those tools.

On the insurance side, the exam tests workers' compensation coverage for employees and commercial general liability coverage for the business. Know when each is required, what a certificate of insurance proves, and why an uninsured contractor is exposed not only to claims but also to CSLB discipline, including suspension of the license. Some circumstances call for additional coverage — builder's risk, equipment, vehicle — but workers' compensation and liability dominate the questions.

On the lien side, California's mechanics lien is a security interest in an improved property, available to those who furnished labor or materials. The exam does not ask for a law degree; it asks for the practical sequence: serving or recording a preliminary notice at the start of work, recording the lien within its statutory deadline after work is completed or ceased, and then enforcing or releasing the lien. Know which parties must send a preliminary notice, what the recording deadlines are, and how a lien is released once payment arrives.

Public works add a wrinkle: because public property cannot be liened, contractors on public jobs use stop-payment notices and payment bond claims against the public entity or the surety. Learn how a stop-payment notice differs from a mechanics lien, who receives it, and what funds it can reach.

The notices connect back to the contract, too: home improvement and other construction contracts must inform owners about lien rights and about the contractor's liability coverage.

In practice questions, a date is rarely decoration. When a scenario says work finished, or that a notice was recorded on a given date, the question is almost always about whether a deadline was met. Drill the notice sequence until it is automatic, and this small section becomes easy points.

This is an original study note written for this site. It summarizes what the section covers so you can plan your studying; it is not legal advice. Practice questions in this section cite the underlying California statutes and regulations directly.

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Sources behind this section

Official documents cited by practice questions in this section, ranked by how many questions cite each one, from the September 27, 2026 law snapshot.

All 120 sources, grouped by kind

Statutes (120)

Law snapshot date: September 27, 2026