Does general liability cover a plumbing job that fails after I finish?

Often, yes, through what's typically called completed-operations coverage, which extends general liability protection to property damage caused by work that's already finished, such as a fitting failing weeks after installation. That said, coverage generally applies to the resulting damage — the flood, the ruined flooring — rather than the cost of redoing the faulty work itself, which is commonly excluded under a standard policy's business risk provisions.

Does my LLC protect me personally if a customer sues over faulty work?

An LLC is generally designed to protect your personal assets — your home, savings, personal vehicle — from a judgment against the business, provided the business is properly maintained as a separate entity. It doesn't prevent the business itself from being sued, and it doesn't pay the claim; that's the role of insurance. If a licensing complaint or negligence claim is filed against you individually as the licensed tradesperson, the entity structure generally doesn't remove that personal exposure either.

What's the difference between general liability and workers' compensation for a plumbing business?

General liability generally covers injuries or property damage you cause to customers or other third parties while doing the job. Workers' compensation covers injuries your own employees suffer while working for you, regardless of whether anyone else was involved. The two address entirely different people and situations, and most jurisdictions require workers' comp separately once you have employees, independent of whatever liability coverage you carry.

Do I need a license to form an LLC for a plumbing business?

Forming the LLC itself is generally a separate process from obtaining or maintaining your trade license, though many states require proof of an active license before issuing or renewing a contractor's business registration. Licensing requirements and any rules about how a licensed tradesperson must structure their business vary significantly, so it's worth confirming the specifics with your state's licensing board rather than assuming the LLC filing alone satisfies them.

Is tool and equipment coverage part of a standard general liability policy?

No, typically not. General liability is built around harm to third parties — their injuries, their property — not damage to or theft of your own tools, materials, or vehicle. Coverage for your own equipment generally comes from a separate inland marine or tool-and-equipment floater policy, and commercial auto insurance for any vehicles used for business, both of which are usually purchased alongside general liability rather than bundled into it.

Business Insurance

General Liability Insurance for Plumbers LLCs

By Edmond Hui · Last updated: July 19, 2026

Quick answer: Plumbers LLCs typically pay around $115/month for general liability coverage (as of July 2026, per Insureon - Plumbing Business Insurance Cost).

Most general contractors and property managers won't put a plumber on a job without proof of insurance first — coverage is often a precondition for the work, not an afterthought once something goes wrong. An LLC keeps a judgment against the business from reaching into your personal home, savings, or vehicle, provided the business and your personal finances stay clearly separated. That protection is most relevant to the physical risks inherent in the trade: nearly every job happens inside someone else's property, surrounded by their belongings, often with pipes cut open, wiring exposed, or tools and materials spread across a floor. The potential for an accident — a trip, a scratch, a spill — exists on almost every service call simply because of how the work is done.

The trickier exposure in these trades shows up after the job is finished. A fitting that wasn't quite tight enough, or a connection that looked fine at the time, can fail days or weeks later and flood a bathroom, kitchen, or the floor below — a claim that traces back to work you completed, not work you're actively performing. Coverage for that kind of after-the-fact damage generally depends on the specific terms of a policy's completed-operations provisions, which is different from a claim that your original design or workmanship was itself deficient — the latter tends to be treated as a business or economic-loss issue rather than something general liability is built to pay for.

What plumbers LLCs pay for coverage

GL median monthly premium	$115/mo
Typical policy limits	$1M per occurrence / $2M aggregate

Sources: Insureon - Plumbing Business Insurance Cost. Figures as of July 2026.

The Risk Gap Index for plumbers

A typical plumbers GL policy (~$1,380/yr) costs about 1.6% of the average solo constructionbusiness’s annual receipts ( $84,315, Census Nonemployer Statistics 2023).

Methodology: this is original analysis combining the insurer-published GL median premium above with average per-business receipts for the matching Census sector — it is not a figure published directly by either source. See Insureon - Plumbing Business Insurance Cost and U.S. Census Bureau, Nonemployer Statistics (NES).

Real-world risk scenarios for plumbers

A customer trips over tools or equipment during a job

You're mid-job in a customer's kitchen or bathroom, with a toolbox, hose, or cut-open section of flooring in the walkway, and the customer or a family member walks through and trips, resulting in an injury. Because job sites in this trade are almost always someone else's living or working space, and equipment has to be staged somewhere while work is underway, this kind of tripping hazard is a routine part of the job rather than an unusual event. The resulting bodily injury claim would typically be treated as a general liability matter, covering the injury and associated medical costs tied to conditions your work temporarily created.

Active work damages a customer's property

While cutting into a wall to access piping or wiring, a saw or tool slips and damages flooring, cabinetry, or a fixture beyond what the job required, or water from an open line spills onto a customer's belongings before it can be shut off. This kind of accidental property damage, occurring while the work is actively being performed, is a common exposure in trades that require opening up finished surfaces to reach the systems underneath. It would typically fall under the property damage portion of a general liability policy, separate from any question about whether the underlying repair itself was done correctly.

A completed repair fails and floods the property

Weeks after finishing a job, a fitting you installed loosens or a connection you soldered gives way, and water floods the bathroom, the room below, or an entire unit in a multi-family building. Because the failure happened after you left the site, this falls into what's typically called a completed-operations claim — physical damage caused by work that was already finished, as opposed to damage happening while you were on-site. Many general liability policies extend coverage to this scenario specifically, though the exact terms and any exclusions for the cost of redoing the faulty work itself vary by policy.

What general liability doesn’t cover

General liability policies typically exclude the cost of simply redoing or repairing your own faulty workmanship — often called the business risk exclusion — even when that same failure also caused covered property damage elsewhere; the cost to fix the pipe itself generally isn't covered, even when the resulting flood damage is.
A claim that a job was designed or planned incorrectly, as opposed to an accident happening during otherwise sound work, can be treated as professional negligence rather than a standard liability claim, which is why some contractors carry a separate contractor's professional liability or errors & omissions policy for that specific gap. See our professional liability cost guide.
If you employ helpers, apprentices, or additional technicians, an on-the-job injury they suffer — a burn, a strain, a cut — is generally excluded from general liability and instead falls to workers' compensation insurance.
Damage to your own van, tools, or equipment isn't covered by general liability, which is built to address harm to third parties; commercial auto insurance and inland marine or tool-and-equipment coverage are the policies typically built for your own property.
Water damage claims that lead to mold growth are frequently subject to specific exclusions or sub-limits, so it's worth confirming with a carrier how a policy treats mold arising from a covered water event, since standard general liability language often carves it out or caps it separately.

State licensing for plumbers

In 46 of 50 states, plumbers need a state license — see the Plumbers LLC guide for state-by-state rules.

Compare business insurance quotes for plumbers

Typical cost for plumbers: general liability $115/mo median · limits $1M per occurrence / $2M aggregate — as of July 2026, per Insureon - Plumbing Business Insurance Cost. These are industry-wide medians, not quotes from the providers below.

Provider	Best for	AM Best rating
NEXT Insurance (ERGO NEXT)	online small business insurance for the self-employed, freelancers, contractors, sole proprietors, and micro-businesses across 1,300+ professions	A+	Get a quote
Hiscox	small-business and professional liability (errors & omissions) coverage for professional-services freelancers, consultants, and specialty professions across 180+ occupations	A	Get a quote
Embroker	digital commercial insurance (D&O, cyber, tech E&O, EPLI, professional liability) for venture-funded startups, tech companies, law firms, VC/PE firms, and other professional-services businesses	—	Get a quote
Thimble	on-demand, short-term (hourly/daily/monthly) general liability and professional liability insurance for freelancers, gig workers, and small businesses across 129+ industries	—	Get a quote

Disclosure: we earn a commission if you buy a policy through some links on this page. This does not affect our editorial comparisons, and coverage details always come from the insurer’s own documents.

Frequently Asked Questions

: Often, yes, through what's typically called completed-operations coverage, which extends general liability protection to property damage caused by work that's already finished, such as a fitting failing weeks after installation. That said, coverage generally applies to the resulting damage — the flood, the ruined flooring — rather than the cost of redoing the faulty work itself, which is commonly excluded under a standard policy's business risk provisions.
: An LLC is generally designed to protect your personal assets — your home, savings, personal vehicle — from a judgment against the business, provided the business is properly maintained as a separate entity. It doesn't prevent the business itself from being sued, and it doesn't pay the claim; that's the role of insurance. If a licensing complaint or negligence claim is filed against you individually as the licensed tradesperson, the entity structure generally doesn't remove that personal exposure either.
: General liability generally covers injuries or property damage you cause to customers or other third parties while doing the job. Workers' compensation covers injuries your own employees suffer while working for you, regardless of whether anyone else was involved. The two address entirely different people and situations, and most jurisdictions require workers' comp separately once you have employees, independent of whatever liability coverage you carry.
: Forming the LLC itself is generally a separate process from obtaining or maintaining your trade license, though many states require proof of an active license before issuing or renewing a contractor's business registration. Licensing requirements and any rules about how a licensed tradesperson must structure their business vary significantly, so it's worth confirming the specifics with your state's licensing board rather than assuming the LLC filing alone satisfies them.
: No, typically not. General liability is built around harm to third parties — their injuries, their property — not damage to or theft of your own tools, materials, or vehicle. Coverage for your own equipment generally comes from a separate inland marine or tool-and-equipment floater policy, and commercial auto insurance for any vehicles used for business, both of which are usually purchased alongside general liability rather than bundled into it.

This guide is general information, not insurance, legal, or financial advice. Coverage needs, requirements, and pricing vary by business, location, and carrier underwriting. Confirm policy details directly with a licensed insurance carrier or agent before making a purchasing decision.

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.