If you're running a painting business in California, navigating the insurance requirements can feel like you're painting in the dark. Between state licensing mandates, workers' comp rules that just changed, and client demands for liability coverage, it's a lot to juggle. Here's what you actually need to know about California painting contractor insurance requirements in 2026—no jargon, just the practical stuff that keeps your business legal and protected.
The C-33 License: Your Starting Point
First things first: if you're bidding on painting jobs worth $1,000 or more in California, you need a C-33 Painting and Decorating Contractor License from the California Contractors State License Board (CSLB). That threshold just went up from $500 in 2025, so more jobs now fall under the licensing requirement.
Getting your C-33 license means you'll need at least four years of journey-level painting experience, pass both a business law exam and a trade exam, and shell out $450 for the application plus $200-$350 for the initial license fee depending on your business structure. But here's where insurance comes in: before the CSLB issues your license, you must provide proof of workers' compensation coverage or file an exemption if you have no employees.
You'll also need to post a $25,000 contractor's bond. This isn't insurance for you—it protects your clients if you don't complete a job or violate licensing laws. Think of it as a financial safety net that says you're serious about doing business the right way.
Workers' Compensation: The Big 2028 Change
Here's where things get interesting. California is tightening the screws on workers' compensation insurance, and painting contractors need to pay attention. If you have even one employee—whether they're full-time, part-time, seasonal, or a family member—you must carry workers' comp insurance right now. No exceptions. The insurance covers medical care, disability benefits, and death benefits if an employee gets hurt or sick on the job.
But here's the bigger deal: starting January 1, 2028, Senate Bill 216 requires all licensed contractors in California to carry workers' compensation insurance, even if you're a solo operator with zero employees. Originally set to kick in on January 1, 2026, lawmakers pushed the date back to 2028 with SB 1455. This gives sole proprietors a bit more breathing room, but the message is clear—California wants every contractor covered.
The penalties for skipping workers' comp are brutal. Senate Bill 291, which took effect in 2026, set minimum fines at $10,000 for sole proprietors and $20,000 for other business structures. Fines can climb all the way to $100,000 depending on the violation. Plus, you won't be able to renew or reinstate your CSLB license without a valid workers' comp certificate. In other words, no insurance means no license means no legal work.
For painting contractors, the workers' comp classification code is typically 5474. Your premium will depend on your payroll, claims history, and how risky insurers consider painting work (spoiler: working on ladders and with chemicals doesn't help your rates).
General Liability Insurance: Not Required, But Basically Required
Here's the twist: California doesn't require general liability insurance to get your C-33 license. But try landing a commercial painting job without it. You won't get far. Most commercial clients require proof of at least $1 million in liability coverage per occurrence and $2 million in aggregate coverage before they'll even consider your bid. Some larger projects push those minimums even higher.
General liability insurance protects you when things go wrong on the job. Say you're painting an office building and accidentally knock over a can of paint that damages expensive flooring. Or a client trips over your drop cloth and breaks their wrist. General liability covers property damage and bodily injury claims like these. Without it, you're paying out of pocket—and that can sink a small business fast.
For contractors with five or fewer employees, California sets a minimum general liability coverage of $1 million per occurrence with a $2 million aggregate. If you have more than five employees, you'll need an additional $100,000 per person beyond the first five. Residential projects in some cities like Los Angeles have lower minimums—around $300,000—but most contractors carry higher limits to meet commercial client demands and protect their assets.
What Happens If You Don't Comply
California doesn't mess around when it comes to contractor compliance. If you're caught working without the required insurance, you're looking at license suspension or revocation, steep fines, and potential lawsuits from clients or injured employees. The CSLB actively investigates complaints and runs compliance sweeps. One uninsured job site visit can end your business.
Even if you're currently operating as a solo contractor with a workers' comp exemption on file, that exemption becomes invalid the moment you hire anyone. You have 90 days to get coverage and submit proof to the CSLB. Miss that deadline, and you're in violation. And remember, come 2028, exemptions go away entirely for licensed contractors.
How to Get Your Coverage in Place
Start by shopping around for workers' compensation insurance if you have employees, or plan ahead for the 2028 requirement if you're currently solo. Get quotes from multiple insurers that specialize in contractor coverage. Rates vary widely based on your payroll, experience, and claims history.
For general liability, look for a Business Owner's Policy (BOP) that bundles general liability with commercial property insurance. BOPs often cost less than buying policies separately and give you broader protection. Make sure your policy limits meet the requirements of your typical clients—if you're bidding on commercial jobs, that means at least $1 million per occurrence and $2 million aggregate.
Once you've secured coverage, submit your certificates to the CSLB along with your license application or renewal. Keep copies of your insurance certificates handy—you'll need to provide them to clients before starting most jobs. And set a reminder for your renewal dates. Letting your coverage lapse can trigger automatic license suspension.
California's insurance requirements for painting contractors might seem overwhelming, but they exist to protect you, your employees, and your clients. Get the right coverage now, and you won't be scrambling when the 2028 deadline hits or when a client asks for proof of insurance. Your business—and your peace of mind—will thank you.