GL vs. Workers' Comp vs. Umbrella: Which One Does That Job Require?

It depends on the contract, but the usual split is this: general liability on almost every job, workers' comp the moment you have employees (and for some California license classes even without them), and an umbrella only when the contract sets liability limits higher than your base policies carry. The three don't substitute for each other, so a GC's requirements list can legitimately ask for all three.

You win the bid. Then the insurance requirements list lands in your inbox. General liability. Workers' comp. Umbrella. All on one page, all due before you get on the jobsite.

Each policy does a different job. Carrying one doesn't satisfy the requirement for another. What your job actually requires depends on the contract, your workforce, the work you're doing, and the limits the hiring party sets. This guide breaks down each policy so you can read that list with confidence.

The Three Contractor Insurance Coverage Types at a Glance

Coverage type	What it generally addresses
General liability (GL)	Third-party injury and property damage claims, when the policy covers them
Workers' compensation	Work-related injuries and illnesses for your employees, under state law and policy terms
Commercial umbrella	Extra liability limits on top of your primary policies, under its own terms

These policies cover different exposures. You may need all three. None automatically replaces the others.

What Does General Liability Insurance Cover for Contractors?

GL shows up in most construction contracts. It's usually the first policy a general contractor (GC) or property owner asks to see, because it speaks to the risk they care about most: if your work causes damage or injury, who pays?

When General Liability Comes Into Play

• You accidentally damage a customer's property.
• A visitor or other third party gets hurt in an incident connected to your operations.
• A finished project leads to a covered property damage or injury claim.

Whether a claim is covered depends on the policy wording, the exclusions, and the facts of the claim.

Why General Contractors and Property Owners Require It

• It helps address covered third-party liability.
• A sub may need it before starting work.
• Contracts may set minimum limits, additional insured status (which adds the hiring party to your policy for certain claims), or other conditions.

GL isn't a substitute for workers' comp. And it doesn't cover every type of construction loss.

When Does a Contractor Need Workers' Compensation Insurance?

Workers' comp focuses on work-related injuries and illnesses for employees. It's not about third-party liability. That's why a GC may ask for both on the same requirements list.

What Workers' Comp Generally Covers

• Medical care for covered work-related injuries or illnesses
• Partial wage replacement for eligible injured employees
• Disability and other benefits required under applicable law

What If You're a Solo Contractor?

Being self-employed doesn't automatically settle the question. Having no employees is different from hiring employees, using subs, or operating through a business entity. In California, requirements can depend on your license classification, business structure, workforce, and applicable exceptions.

Some licensed contractors need workers' comp even with no employees (right now that's C-8 concrete, C-20 HVAC, C-22 asbestos abatement, C-39 roofing, and D-49 tree service). And the rules are changing: workers' comp is set to become mandatory for all licensed California contractors starting January 1, 2028, regardless of headcount. Until then, don't assume a solo operator is exempt. Check current California law and CSLB rules instead of relying on a blanket statement. We covered the details in Workers' Comp for Contractors With No Employees.

Why a Job May Require Workers' Comp Even When You Have GL

• GL is built for covered third-party liability.
• Workers' comp addresses covered employee work injuries.
• A certificate of insurance showing GL doesn't prove you've met workers' comp requirements.

What Is Commercial Umbrella Insurance, and When Is It Required?

Umbrella coverage is an extra layer of liability protection. It sits on top of your primary insurance. It doesn't replace it. Think of it as backup for the claim that's bigger than your GL limit.

How Umbrella Coverage Works

• It can add limits above certain underlying liability policies.
• It may kick in when a covered claim runs past your primary policy's limit, depending on the umbrella's terms.
• It depends on your primary policies, any retained limit (the amount you pay yourself before the umbrella responds), exclusions, and other conditions.

Why Construction Contracts May Require Higher Limits

• Large commercial projects can carry more potential liability.
• GCs or project owners may specify umbrella or excess liability limits. (Excess is similar: extra limits above your primary policy. The difference is that it follows your primary policy's terms instead of broadening them.)
• GL limits that work for one project may fall short on the next.

An umbrella doesn't necessarily cover every liability exposure. It also doesn't necessarily sit above every policy you own.

Which Insurance Does Your Job Actually Require?

Short answer: read the contract. There's no one-size-fits-all checklist. A small remodel and a large commercial build can ask for very different things. Here's how requirements can differ from job to job.

Residential Repair or Remodeling Job

• The customer or contract may require GL.
• Workers' comp obligations depend on your workforce, license classification, and applicable law.
• Umbrella may not be requested on smaller jobs, though your risk exposure still matters.

Subcontracting for a General Contractor

• GL may need to meet specified limits and additional insured requirements.
• Workers' comp documentation may be required where applicable.
• The subcontract may stipulate umbrella or excess limits.

Large Commercial or Public Project

• The contract may require higher GL limits.
• Workers' comp and employer's liability requirements may apply. (Employer's liability covers certain lawsuits from injured employees and usually comes with a workers' comp policy.)
• Umbrella or excess coverage may be needed to reach the project's liability limits.
• Other policies, like commercial auto or builders risk (coverage for the structure while it's being built), may also be necessary.

These are examples, not universal requirements. The actual contract and applicable law control.

How to Read an Insurance Requirements List Before Starting Work

Insurance requirements are easy to skim and easy to miss. Whether it's a bid package, a subcontract, or an insurance exhibit, run through this checklist before you sign:

1. Identify every required policy. Look for GL, workers' comp, employer's liability, umbrella or excess, and anything else listed.
2. Check the limits. Confirm each policy's required limits and any aggregate requirements (the most the policy pays across all claims in a year).
3. Review endorsements. These are add-ons to your policy. The three that come up most are additional insured status, primary and non-contributory wording, and a waiver of subrogation.
4. Check the deadline. Find out when certificates and required endorsements are due.
5. Confirm your policies meet the contract. A certificate of insurance alone doesn't change your coverage or replace required endorsements.

If something's unclear or conflicting, have an insurance professional review it before work begins.

Common Contractor Insurance Mistakes to Avoid

A few mistakes can delay a project or leave a gap in your protection:

• Assuming GL covers employee injuries. It doesn't. That's what workers' comp is for.
• Treating umbrella coverage as a substitute for required underlying insurance. Umbrella sits on top of your primary policies. It doesn't stand in for them.
• Buying coverage based on another contractor's requirements. Your contract sets your requirements, not the contractor down the street.
• Assuming a certificate of insurance proves every contract requirement is met. A certificate is a summary. It doesn't change your policy.
• Waiting until the start date to find out you need higher limits or specific endorsements. Fixing that late can cost you time on the job.

Get Help Choosing the Right Contractor Insurance Coverage

The right mix of coverage depends on the job, the contract, your workforce, and your risk exposure. So review the requirements before you sign or head to the jobsite.

At L C Simple Contractors Insurance Agency, we shop multiple carriers, so we work for you, not the carrier. We get certificates out the same day. And a real person picks up the phone. You build. We handle the insurance part.

Have an insurance requirements list for an upcoming project? Talk to an Agent before work begins and we'll check it against your current coverage.

Frequently Asked Questions

Is general liability insurance the same as workers' compensation?

No. GL addresses certain third-party injury and property damage claims. Workers' comp addresses work-related injuries and illnesses for employees.

Do contractors need general liability, workers' compensation, and umbrella insurance?

It depends on applicable law, your workforce, the project contract, and your risk exposure. Not every job requires all three.

Does umbrella insurance replace general liability?

No. Umbrella coverage generally adds limits on top of your primary policies, subject to its terms.

Can a general contractor require a subcontractor to carry umbrella insurance?

Yes. A contract can specify umbrella or excess liability requirements, including minimum limits.

Do California contractors need workers' compensation if they have no employees?

It depends on current California law and your licensing rules. Having no employees doesn't automatically exempt every licensed contractor, and workers' comp is set to become mandatory for all licensed contractors on January 1, 2028.