What is California Comp Authority?

California Comp Authority has 25 pages. See its app structure and page count in a summary based only on verified setup data.

Do California businesses with one employee need workers' comp?

In most cases, yes. One or more employees generally triggers the requirement, regardless of hours worked or whether the worker is part-time or seasonal.

How much is workers' comp for a small business in California?

It depends on payroll and class code, but small payrolls are often subject to carrier minimum premiums. A broker can show you which carriers have the lowest minimums for your operations.

Can I exclude myself from my small business policy?

Depending on your entity type and state elections, owners may be excluded. Confirm the rules for your structure before assuming you can opt out.

Workers' Comp for Small Business in California: What Owners Need to Know

Small California businesses face the same workers' comp rules as large ones—one employee generally triggers the requirement. Here's how coverage works for small employers, what it costs, and the mistakes to avoid.

Last reviewed 2026-09-18•By CA Workers' Comp•Reviewed by Editorial Team

Key Takeaways

One or more employees generally triggers the coverage requirement, even for very small businesses.
Minimum premiums matter most for small payrolls—ask carriers about minimums before comparing rates.
Owner inclusion or exclusion depends on entity type and elections filed with the state.
Misclassifying employees or underestimating payroll are the two most common small-business audit problems.
Brokers can shop multiple carriers, which is especially valuable when your first quote comes back high.

Does My Small Business Need Workers' Comp?

California generally requires workers' compensation as soon as you have one employee, including part-time, seasonal, and family workers who qualify as employees. There is no payroll threshold or hour minimum. Waiting until the business 'grows' is not an option—coverage must be in place the day the first employee starts.

What Small Businesses Pay

Premium is payroll per $100 times your class-code rate, adjusted by the experience mod once you qualify for one. For very small payrolls, minimum premiums often apply—a carrier's minimum can exceed the calculated premium, so ask about minimums before comparing quotes. New businesses are usually rated without an experience mod for the first years.

Owners: Included or Excluded?

Whether you can exclude yourself depends on your entity type and elections filed with the state. Sole proprietors and some partners are treated differently from corporate officers and LLC members. Excluding a working owner lowers payroll and premium, but leaves that owner without on-the-job coverage—many owners include themselves for the protection.

Common Small-Business Mistakes

The three most expensive mistakes: underestimating payroll and owing a large audit balance, misclassifying high-hazard work under a clerical code, and treating employees as independent contractors without meeting the legal tests. Each creates premium shortfalls, penalties, or claims with no coverage in place.

How to Get an Affordable First Policy

Estimate payroll realistically by class code, describe operations accurately to your broker, and compare more than one carrier. Small businesses benefit from a broker's market access because rates and minimum premiums vary meaningfully between carriers for the same operations.