Plumbing contractor insurance in Tennessee

How Tennessee's contractor board licenses plumbing

The Board for Licensing Contractors, part of the Department of Commerce and Insurance, licenses plumbing contractors in Tennessee.

The Board for Licensing Contractors posts applications and exam approvals.

There are two main paths:

• Contractor license, Plumbing (CMC-A) or Full Mechanical (CMC). Required for projects of $25,000 or more. That includes a plumbing subcontract when the plumbing portion alone reaches $25,000. The exam needs board pre-approval.
• Limited Licensed Plumber (LLP). An individual license earned by trade exam, for work under $25,000 per project. It's required only in towns that use the state Division of Fire Prevention for permits and inspections. General maintenance under $500 is exempt.

That $25,000 line is the growth step. An LLP shop that wins its first $30,000 repipe on a small apartment building needs a contractor license, an insurance affidavit, and a financial statement or bond before it signs.

Local rules matter below $25,000. The board's own LLP page tells plumbers to check first whether their city or county accepts the LLP or has its own licensing for permits and inspections.

Your license has a dollar ceiling. The monetary limit equals 10 times the lesser of your working capital or net worth, so a $150,000 limit takes $15,000 of each. An unlimited license takes $300,000 of both. A reviewed financial statement works for limits up to $3 million; above that it must be audited.

Insurance is a license condition. Under T.C.A. 62-6-111(a)(1), initial and renewal applications include an affidavit that you maintain general liability and workers' comp. The board has published general liability minimums tied to your monetary limit: $100,000 for limits up to $500,000, $500,000 for limits from $500,001 to $1.5 million, and $1 million above that. The schedule we found is an older board document, so confirm the current amounts with the board before you renew.

Comp proof is required unless you show an exemption, such as registration as a construction services provider. The LLP license has no insurance requirement.

Bonds are an option, not a routine requirement. Plumbing contractors and LLPs don't post a standard license bond. Instead of a CPA-reviewed or audited financial statement, a contractor can post a surety bond of at least 50% of the requested monetary limit. If your statement shows a deficiency, a board-format bond of $500,000, or $1 million for unlimited, can replace a guaranty agreement.

Home improvement licenses, a separate program, do require a bond. Our contractor bond page explains how sureties price these.

Tennessee comp covers construction owners too

Tennessee treats construction differently from other businesses. The Bureau of Workers' Compensation says construction businesses must carry comp for everyone, including the owners. Non-construction businesses need it at five or more employees.

Plumbing is on NCCI's contracting class code list, so a plumbing shop counts as a construction services provider.

See the Bureau of Workers' Compensation for employer rules.

The way out for owners is the Secretary of State's Construction Services Provider Workers' Comp Exemption Registry. Under T.C.A. 50-6-903, these owners can register:

• corporate officers, up to three per corporation
• LLC members and partners who own at least 30%
• sole proprietors
• up to three owners of a family-owned business

The exemption covers the owners themselves, never employees. The Bureau has warned that it finds employers, and even insurance agents, signing employees up for the registry improperly.

Getting caught short costs more than the premium. The Bureau's penalty equals 1.5 times the premium you avoided, rising to 3 times for repeat violations within five years. It offers interest-free payment plans and a contested-case hearing.

Our workers' comp page for plumbers covers classes, payroll and audits. Get a quote for your plumbing business →

What makes plumbing riskier to insure in Tennessee

Flash floods in Middle Tennessee

On May 1-2, 2010, Nashville set its all-time records with 7.25 inches of rain in a calendar day and 13.57 inches over two days. The flood killed 18 people in Middle Tennessee and caused damage in the billions.

Floods like that ruin vans and equipment, then flood your schedule with repiping and water heater swaps. Commercial auto usually covers only equipment attached to the van, so loose tools need an inland marine floater.

Owner status at audit time

Because construction owners are covered unless registered as exempt, owner status drives a Tennessee shop's comp premium and its audit. An owner who meant to register and never did can show up as payroll. An employee wrongly put on the registry can turn into a penalty of 1.5 to 3 times the avoided premium.

Suburban growth around Nashville

From April 2020 to July 2025, Wilson County grew 18.5%, Maury County 17.0%, Rutherford County 13.1% and Williamson County 9.8%.

More subdivision work means bigger contracts. Bigger contracts can push you toward a higher monetary limit, and with it a higher general liability minimum on your license.

Example scenario: A Murfreesboro-area shop with a $400,000 monetary limit lands a builder's 40-home phase and asks the board to raise its limit to $900,000. Under the board's published schedule, its liability minimum would jump from $100,000 to $500,000. The owner rebinds before the renewal date so the affidavit is true on the day it's signed.

Tennessee cities where we insure plumbers

What Tennessee plumbing contractors pay for insurance, and why

We don't list a Tennessee price, because the number belongs to your shop. Your price depends on payroll, revenue, claims history, the work you do and the limits you choose. Three Tennessee rules feed into it.

Your monetary limit sets a liability floor. Raising your limit past $500,000, and again past $1.5 million, moves the published general liability minimum up. Confirm the current schedule with the board.

A bond can replace the CPA statement. A surety bond of at least 50% of your monetary limit trades an ongoing bond premium for CPA fees. Bond premiums are a percentage of the bond amount and depend on your credit.

Owners are payroll unless exempt. Registered owners come off the comp calculation. Unregistered owners stay on it.

Where your gear sits. Expect questions about whether your shop or yard is on low ground near a creek or river, especially in Middle Tennessee.

See national ranges in the plumber insurance cost guide. Get a quote for your plumbing business →

Our Tennessee license

Plumbing Insurance Group is a brand of The Allen Thomas Group, licensed in Tennessee (License #3001764214, NPN 7642818). We quote CMC-A and CMC contractors and limited licensed plumbers across the state, from the Mississippi River to the Smokies. Every state we serve is on our licenses page.