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Protect Your Plumbing Business with Workers' Compensation Insurance in California

By SecureProQuote Editorial TeamUpdated June 29, 2026

Part of our guide to plumbers insurance in California.

A plumber in San Diego recently faced a $10,000 medical bill after an employee slipped on a job site. Without Workers' Compensation Insurance, the plumber had to pay out of pocket. In California, workers' compensation is generally required as soon as you hire your first employee. This coverage pays for medical bills and lost wages when employees are injured on the job, and it's not just a good idea - it's the law. Plumbers in California need Workers' Compensation to avoid financial ruin in the event of an employee injury. The cost of not having it can be devastating, as seen in the case of the San Diego plumber.

Workers' Compensation cost for plumbers in California

$70$260/mo (est.)

Illustrative monthly workers comp estimate for a small plumber operation in California. Actual pricing depends on revenue, payroll, coverage limits, claims history, and carrier. Get a personalized quote to see your real price.

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What Workers' Compensation Covers for Plumbers in California

Workers' Compensation Insurance pays for medical bills and lost wages when employees are injured on the job, including injuries from slips, falls, and equipment accidents. For example, if an employee is injured while fixing a pipe in San Jose, Workers' Compensation will cover their medical bills and lost wages. However, it does not cover damage to equipment or property, which would be covered under a different policy, such as Tools & Equipment insurance. Another example is if an employee is injured in a car accident while driving to a job site in Los Angeles, Workers' Compensation will cover their medical bills and lost wages, but not the damage to the vehicle, which would be covered under Commercial Auto insurance.

Do Plumbers in California Need Workers' Compensation?

In California, workers' compensation is generally required as soon as you hire your first employee. This means that if you have even one employee, you need to have Workers' Compensation Insurance. Going without it can result in severe financial consequences, including fines and penalties. For example, if you have an employee who is injured on the job and you don't have Workers' Compensation Insurance, you could be liable for their medical bills and lost wages, which could be devastating to your business. Additionally, many general contractors and commercial property managers in California require plumbers to have Workers' Compensation Insurance before they can work on a job site.

A Real Workers' Compensation Claim a Plumber Could Face

A plumber in San Francisco recently faced a $15,000 claim after an employee fell off a ladder and broke their leg. The employee required surgery and several weeks of recovery time, resulting in lost wages. Workers' Compensation Insurance covered the employee's medical bills and lost wages, saving the plumber from financial ruin. The claim was handled quickly and efficiently, with the insurance company paying out the necessary funds to cover the employee's expenses. The plumber was able to focus on running their business, rather than worrying about how to pay for their employee's medical bills.

What Workers' Compensation Costs for Plumbers in California

The cost of Workers' Compensation Insurance for plumbers in California can vary, but estimated premiums range from $70-$260/month. Factors that affect the cost of Workers' Compensation include revenue, payroll, coverage limits, deductible, and claims history. For example, a plumber with a high revenue and large payroll may pay more for Workers' Compensation than a smaller plumber. Additionally, the cost of Workers' Compensation can be affected by the California environment, including earthquake risk and severe wildfire seasons, which can increase the likelihood of employee injuries. By shopping around and comparing rates, plumbers can find the best price for their Workers' Compensation Insurance.

How to Get Workers' Compensation in California

To get Workers' Compensation Insurance in California, plumbers should gather information about their business, including revenue, payroll, and coverage limits. They should also compare rates from different insurance companies to find the best price. Additionally, plumbers should consider bundling their Workers' Compensation Insurance with other core policies, such as General Liability and Commercial Auto, to lower their total premium. For example, a plumber in Los Angeles can get a quote for Workers' Compensation Insurance and bundle it with their other policies to save money. By doing so, plumbers can ensure they have the necessary coverage to protect their business and employees, so get your quote today.

Frequently asked questions

Will my Workers' Compensation premium jump after one claim?

Yes, it may increase. The amount of the increase will depend on the severity of the claim and the insurance company's rating system. However, some insurance companies offer accident forgiveness or other programs that can help mitigate the increase. Additionally, plumbers can take steps to reduce their premium by implementing safety protocols and reducing the number of claims they file.

Can I get a COI same-day for a client?

Yes, many insurance companies offer same-day COIs. However, this may depend on the complexity of the policy and the insurance company's underwriting process. Plumbers should check with their insurance company to see if same-day COIs are available and what the requirements are. Additionally, some insurance companies may offer online portals or other tools that make it easy to generate COIs quickly.

Does a sole proprietor need Workers' Compensation?

No, sole proprietors are not required to have Workers' Compensation Insurance in California. However, they may still want to consider purchasing a policy to protect themselves in case of an injury. Additionally, if a sole proprietor hires employees, they will be required to have Workers' Compensation Insurance. Sole proprietors should check with their insurance company to see if they offer Workers' Compensation policies for sole proprietors and what the requirements are.

What is not covered by Workers' Compensation?

Workers' Compensation does not cover damage to equipment or property, which would be covered under a different policy, such as Tools & Equipment insurance. Additionally, Workers' Compensation does not cover injuries that are not work-related, such as injuries that occur during an employee's commute to or from work. Plumbers should check their policy to see what is covered and what is not, and consider purchasing additional policies to fill any gaps in coverage.

Can I cancel my Workers' Compensation policy at any time?

Yes, but there may be penalties or fees for canceling a policy mid-term. Plumbers should check their policy to see what the cancellation terms are and what the penalties or fees may be. Additionally, canceling a Workers' Compensation policy can leave a business vulnerable to financial losses in case of an employee injury, so plumbers should carefully consider their options before canceling a policy.

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Other coverages plumbers in California should know

This article is for general educational purposes and is not insurance or legal advice. Coverage requirements and pricing in California change over time and vary by business. Verify current rules with the California Department of Insurance and a licensed agent before purchasing a policy.