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Umbrella insurance for plumbers who need bigger limits
Commercial umbrella insurance adds liability limits above your general liability, commercial auto liability and employer's liability, so a plumbing business can meet contracts that ask for more than $1 million. Excess liability insurance does a similar job, but it simply follows the policies underneath it.
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How commercial umbrella insurance works for plumbers
A commercial umbrella usually sits on top of three policies: general liability, commercial auto liability and employer's liability. When a covered claim uses up one of those limits, the umbrella pays the rest, up to its own limit.
An umbrella can also do two things a plain extra layer can't. It can drop down and act as the first layer when an underlying aggregate is used up. And it may cover some claims the underlying policies don't, after you pay a self-insured retention, which works like a deductible.
Umbrella vs. excess liability
A follow-form excess policy adds limits and nothing else. It follows the terms of the policy beneath it, so it can't be broader than your GL or auto. If your GL excludes something, a follow-form excess layer excludes it too. Umbrellas are usually the broader choice, and excess layers can stack more limits above them.
Why employer's liability is part of the stack
Workers' comp has two parts. The first pays the benefits your state requires. The second, employer's liability, defends you when an employee injury turns into a lawsuit outside the comp system, such as when a third party your tech sued turns around and sues you. That second part is the piece an umbrella sits over.
Neither one replaces your primary policies. Carriers write them on the condition that you keep the underlying limits listed on the umbrella in force.
| What it covers | What it usually doesn't |
|---|---|
| Covered GL claims that go past your per-occurrence or aggregate limit | Workers' comp benefits to your injured techs |
| Covered auto liability claims that go past your auto limit | Damage to your own vans, tools or shop |
| Employee injury lawsuits that go past your employer's liability limit | The first dollars of a claim, which your primary policy pays |
| Drop-down coverage when an underlying aggregate is used up | Anything your underlying policy excludes, on a follow-form excess layer |
| Some claims the underlying policies miss, after a self-insured retention | The gap you create if you let an underlying limit fall below the schedule |
Example scenarios
These are invented to show how layers stack. They aren't real claims, and whether any policy pays depends on its wording.
The interstate rear-end
Example scenario: A service van loaded with a jetter rear-ends a minivan in stopped highway traffic. Three passengers are hurt, one badly. The commercial auto policy pays its $1 million liability limit, and the remaining judgment lands on the plumbing company. A $2 million umbrella over the auto policy could respond above the exhausted auto limit.
The fall on a GC's site
Example scenario: On a hospital addition, an electrician working for another sub climbs a rolling scaffold the plumbing crew set up and left unlocked. It shifts, and he falls. He sues the plumbing sub and the GC, which is an additional insured on the plumber's policy. Medical bills, lost wages and two defendants can push past a $1 million GL limit fast. The GC's contract asked for a $5 million umbrella, and that layer is there to respond above the GL.
The year the aggregate ran dry
Example scenario: A plumbing contractor finishes trim-out on two condo buildings in the same spring. That fall, two separate water losses from its finished work produce large claims against the same policy year. Together they use up the GL's completed operations aggregate. A third claim arrives in December. An umbrella that drops down when an underlying aggregate is exhausted may respond as the first layer for that third claim.
How much umbrella a plumber needs, and the cost
Start from the contract, not from a round number. Many commercial contracts ask for more than the common $1 million per occurrence and $2 million aggregate GL setup, and plumbers usually meet that with an umbrella. One published GC subcontract exhibit, for example, asks trades for $1 million/$2 million GL plus a $5 million umbrella over GL, auto and employer's liability.
Property managers, school districts and cities write their own numbers. Before you bid, read the insurance exhibit for the umbrella limit, whether it must follow form, and whether additional insureds have to be covered on it.
| Coverage | What drives the price | Published figure |
|---|---|---|
| Commercial umbrella, plumbers | The limit you buy, your underlying limits, vans and drivers, work mix, claims | Median about $93 a month (published median, plumbing contractors) |
Your price depends on payroll, revenue, claims history, the work you do and the limits you choose. A fleet of service vans weighs on umbrella pricing because the umbrella sits over your commercial auto as well as your general liability. The plumber insurance cost guide shows how umbrella compares with the rest of the package.
Timing matters too. If the umbrella is already on your program, current clients can get a certificate showing it the same day. Placing a brand-new umbrella takes longer, so start before the bid is due.
Who needs an umbrella first
- Commercial and new construction plumbers. GC contracts often name an umbrella limit outright. See commercial plumbing contractor insurance.
- Shops with several vans on the road. More vehicles and more drivers mean more chances at a crash that outruns the auto limit.
- Residential shops working for property managers. Vendor agreements for apartment and HOA portfolios can ask for limits above $1 million. See residential plumber insurance.
The same contracts that raise your limits may also call for performance and payment bonds, so plan the two together.
Umbrella rules that vary by state
No state we've reviewed requires plumbers to carry an umbrella. State rules still shape how an umbrella fits:
- Maryland. The State Board of Plumbing says umbrella coverage doesn't count toward the master plumber's liability insurance requirement. Your primary GL has to meet it on its own. Maryland plumber insurance
- New York. The Scaffold Law, Labor Law §240(1), puts fall-protection duties on contractors and owners. Falls on a job site can flow back to a plumbing contractor through indemnity and additional insured requests, which is why New York contracts lean hard on umbrella limits. New York plumber insurance
- Texas. The state's license minimum for a Responsible Master Plumber is $300,000 of GL, a fraction of what commercial contracts ask for. Texas plumber insurance
The rest of our licensed states are on our state pages. Get a quote for your plumbing business →
Related coverage
Umbrella and excess questions from plumbers
What's the difference between umbrella and excess liability insurance?
How much umbrella coverage does a plumbing business need?
Does a commercial umbrella cover workers' comp?
Does my umbrella cover the general contractor?
Can an umbrella help me meet my state's license insurance requirement?
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