Who is exempt from workers' compensation insurance in California?
Almost no California employer is exempt: if you employ one or more people, you must carry workers' compensation. The exemptions are narrow and mostly concern owners. A sole proprietor with no employees need not cover themselves, a sole-shareholder officer is generally excluded unless they elect cover, and certain officers, directors, partners and members may waive coverage by signed waiver. Some worker categories, such as genuine independent contractors, are also outside the system.
- Hiring even one part-time employee triggers the requirement to secure workers' compensation in California.
- Owner exemptions are about who counts as an employee: sole proprietors, sole-shareholder officers, and certain officers, partners and managing members who meet ownership rules and sign a written waiver.
- Waivers must be signed under penalty of perjury and accepted by the insurer. Ownership thresholds have changed over the years, so confirm the current rule with your insurer or the state.
- Going uninsured is expensive: stop orders, penalties and personal liability for injury costs. Read the wider picture in the business insurance coverage and requirements guide and the liability gaps in does business insurance cover lawsuits.
The Baseline Rule: One Employee Means Coverage
The insurance pays employee medical treatment, temporary and permanent disability benefits and death benefits regardless of fault. In exchange, workers' compensation is generally the employee's exclusive remedy against the employer for covered injuries, which is why it matters for legal risk. Compare this with third-party lawsuit protection in does business insurance cover lawsuits.
Misclassifying employees as independent contractors is a leading cause of uninsured workers' comp exposure. California applies a strict test; labels in a contract are not decisive.
Who Can Be Exempt or Excluded
2. Sole-shareholder officers and directors. The sole shareholder of a private corporation is generally excluded automatically unless they elect coverage.
3. Other officers and directors. They may be excluded if they meet the ownership threshold and sign a written waiver that the insurer endorses on the policy. Current guidance and forms point to ownership of at least 10% of the corporation's stock; older rules used 15%, so confirm the threshold in force when you apply.
4. General partners and managing members of an LLC. They can waive coverage by written waiver; ordinary working members are treated as employees if paid.
5. Genuine independent contractors, volunteers for certain organizations and some household workers. A domestic worker who works fewer than 52 hours, or earns under $100, in the 90 days before an injury is excluded.
Every exclusion needs paperwork. A waiver gives up the owner's own benefits, so weigh that against your health and disability cover. For wider exemption rules outside California, see our workers' compensation exemptions hub.
What Happens If You Skip Coverage You Needed
Costs of compliance are modest by comparison: premiums follow payroll and job class. Before you decide not to buy, run through how much business insurance do I need and confirm how the policy will interact with your other coverages. If you later need to drop a policy, remember that going without replacement is itself a violation; see can you cancel business insurance at any time.
Case Study: Tomas's Cabinet Shop & the Part-Time Helper
Scenario: Tomas owns 100% of a California S-corporation that builds custom cabinets. As sole shareholder and officer he was automatically excluded from his own coverage, so he bought no policy. Months later he hired a part-time helper at about $900 per month. The helper's hand was injured by a table saw, producing $64,000 in medical bills and lost wages.
Resolution & Judicial Outcome: Because Tomas had an employee, he was required to carry coverage even though he himself was excluded. With no policy, the state's uninsured-employer process paid benefits and pursued Tomas for reimbursement plus penalties, and the helper retained the right to sue him. A workers' compensation policy for the helper's wages would have cost a small fraction of the loss.
What You Should Do: Step-by-Step Action Plan
Critical Mistakes to Avoid
- Believing a sole shareholder's exclusion removes the duty to cover other employees.
- Paying workers in cash or labelling them contractors to avoid premium without meeting the contractor test.
- Assuming a waiver is effective before the insurer accepts and endorses it.
- Relying on a blog's ownership percentage instead of checking the current rule with your insurer or the state.