Plumber Insurance Texas | Neill Insurance Brokers in Roanoke, TX

What is Plumber Insurance in Texas?

Plumber insurance in Texas is a comprehensive suite of coverages designed to protect plumbing contractors from the unique risks of their trade. It combines essential policies like general liability, commercial auto, and workers’ compensation to shield your business from financial losses arising from property damage, client lawsuits, employee injuries, and vehicle accidents. The Texas State Board of Plumbing Examiners (TSBPE) requires licensed plumbers to carry a minimum level of general liability insurance to maintain their license and legally operate in the state. [3]

Core Insurance Coverages for Texas Plumbing Contractors

A robust insurance program for a Texas plumber is built on four foundational policies. Each addresses a specific area of exposure, and being without any one of them can lead to a devastating financial loss.

General Liability Insurance

This is the cornerstone of your protection, covering property damage and bodily injury you or your employees might cause to a third party. If a pipe you install fails and floods a client’s kitchen, this policy pays for the repairs and any legal fees if you are sued. It is the policy most homeowners and general contractors will require before you start work.

Workers’ Compensation

While not mandated by Texas for all employers, it is essential protection. If an employee strains their back lifting a water heater or is injured in a trench collapse, workers’ comp covers their medical expenses and lost wages. Without it, you are directly exposed to lawsuits from injured employees, a liability that can easily exceed your business’s assets.

Commercial Auto Insurance

Your personal auto policy excludes business use. If you or an employee causes an accident in a work van on the way to a job, your personal insurance will deny the claim. A commercial auto policy is required to properly cover your business vehicles for liability and physical damage.

Inland Marine (Tools & Equipment)

This policy protects your valuable tools and equipment, like jetters, cameras, and testing devices. It covers them from theft, damage, or loss whether they are in transit, on a job site, or stored at your shop. Standard property and auto policies do not adequately cover this mobile equipment.

How Much Does Plumber Insurance Cost in Texas?

The cost for plumber insurance in Texas is determined by factors like your total payroll, annual revenue, number of vehicles, and claims history.based on Neill Insurance Brokers\’ analysis of commercial policies for Texas contractors, here are typical premium ranges.

Coverage Type	Typical Annual Premium Range (Texas)	Primary Cost Factor
General Liability	Avg. $4,743	Annual Revenue / Payroll
Workers’ Compensation	Avg. $1,703	Total Employee Payroll
Commercial Auto (per vehicle)	Avg. $8,076	Vehicle Value & Driving Records
Inland Marine (Tools)	$750 to $2,500	Total Value of Tools
Commercial Umbrella	$1,200 per $1M of coverage	Underlying Policy Limits

For a small to mid-sized plumbing business in Texas with a master plumber, a journeyman, a couple of apprentices, and three work vans, a comprehensive insurance package typically costs between $10,000 and $25,000 per year, based on our analysis of hundreds of Texas contractor policies.

TSBPE Insurance Requirements for Texas Plumbers

The Texas State Board of Plumbing Examiners (TSBPE) mandates that all licensed Master Plumbers who are responsible for a company carry a minimum amount of commercial general liability insurance. The current requirement is a policy with a limit of not less than $300,000 for all claims arising in any one-year period. [3]

A Responsible Master Plumber must maintain a commercial general liability insurance policy with a limit of not less than $300,000 for all claims arising in any one-year period. The insurance policy must be maintained with an insurer licensed to do business in Texas or with an eligible surplus lines insurer.

— Texas State Board of Plumbing Examiners, Rule §365.3 [3]

This $300,000 limit is the absolute minimum required for licensure. It is critically important to understand that this amount is often inadequate to cover a significant claim and will not meet the insurance requirements of most reputable general contractors, who typically demand limits of $1,000,000 per occurrence and $2,000,000 aggregate.

The Most Common Gaps in Texas Plumber Insurance Policies

A cheap policy is often an empty one. After auditing hundreds of insurance policies for Texas plumbers, we have found the same critical gaps appear repeatedly. These are the exposures that lead to denied claims.

Exposure	What Most Policies Do	What You Actually Need
Damage to a client’s property from a slow leak after a repair	Often excluded — many policies contain exclusions for water damage or damage to “your work.”	A broad form property damage liability endorsement that removes or mitigates these exclusions.
Excavation work to repair a sewer line hits an unmarked utility line	Excluded — damage to underground property is a standard exclusion in most GL policies.	Underground Property Damage coverage, often included as part of an excavation endorsement.
A newly installed water heater is found to be faulty months later, causing damage	Disputed — this falls under your Completed Operations coverage, which may have insufficient limits or have expired.	Robust Completed Operations coverage with limits equal to your main liability limits.
An expensive sewer camera is stolen from your work truck	Not covered — your commercial auto policy covers the truck, not the equipment inside it.	An Inland Marine policy (Tool & Equipment Floater) to cover your valuable, mobile equipment.
A subcontractor you hired causes a major flood and has no insurance	You pay — your policy may not respond, and you become liable for the damage your sub caused.	Strict subcontractor agreements requiring them to carry their own insurance and name you as an additional insured.

Real-World Scenario

The $80,000 Slab Leak Claim Denied by a Standard Policy

A DFW plumbing contractor was hired to re-pipe an older home. Six months after the job was complete, a pinhole leak developed in one of the new copper lines under the slab. The slow leak went undetected for weeks, causing extensive foundation damage and mold growth. The total cost for foundation repair and mold remediation was over $80,000.

The plumber’s general liability policy had a “Your Work” exclusion, and the insurer argued that since the damage stemmed from the plumber’s own faulty work, the claim was not covered. The plumber was held liable for the full amount.

This is a classic example of a Completed Operations claim that requires specific policy language to be covered. Neill Insurance Brokers ensures our plumbing clients have policies with broad form completed operations coverage to protect against this exact scenario.

“For a plumber, water is the enemy. Your insurance policy should be your best defense against it. Unfortunately, for most plumbers, their policy is full of water damage exclusions they don’t know about until it’s too late.”

Scott Neill

Principal, Neill Insurance Brokers, LLC

Texas Plumber Insurance FAQs

The most common questions we get from plumbing contractors across Texas.

What does “per occurrence” and “aggregate” mean on my liability policy?

The “per occurrence” limit is the maximum amount your insurer will pay for a single claim. The “aggregate” limit is the maximum total amount your insurer will pay for all claims within a policy year. For example, a $1M/$2M policy means you have $1 million in coverage for any one incident, and a total of $2 million available for the entire year.

Do I need a special insurance for sewer and drain work?

Yes, often you do. Standard general liability policies can have exclusions for work on underground pipes or sewer lines. You may need specific endorsements for excavation or underground work to be properly covered for the risks associated with sewer and drain cleaning or repair.

Am I covered if I accidentally hit a gas line?

This is a critical coverage detail. Damage to utility lines is often excluded unless you have specific underground property damage coverage. Without this endorsement, you could be responsible for the significant repair costs and any resulting property damage.

Is mold damage covered by my plumber insurance?

Typically, no. Mold is almost always excluded from standard general liability policies. If your work leads to a leak that results in mold growth, you would need a specific pollution liability or mold coverage endorsement to have protection.

How can I prove I have insurance to a general contractor?

You provide them with a Certificate of Insurance (COI). This is a one-page document that summarizes your coverages and limits. Your insurance agent can issue these for you. Most GCs will require you to name them as an “additional insured” on your policy, which provides them with coverage under your policy for work you do for them.

About the Author

Scott Neill

Principal, Neill Insurance Brokers, LLC

Scott Neill is a leading expert in the Texas contractor insurance market, having personally structured policies for hundreds of plumbing businesses across the state. He focuses on identifying the hidden exclusions in standard policies, particularly around water damage and completed operations, to ensure his clients have coverage that works in the real world.

Get a Watertight Plumber Insurance Policy

Don’t wait for a claim to find out you have a leak in your coverage. Let our experts at Neill Insurance Brokers review your current policies, find the gaps, and shop over 40 carriers to build a comprehensive insurance program for your plumbing business. Get your free, no-obligation quote today.

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