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Starting a plumbing business in Kentucky

Plumbing is licensed by the state in Kentucky, and nobody works the trade without a master or journeyman license. To run your own shop you need the license and at least $250,000 in general liability.

Kentucky Contractor Packet

The rules where you work $17

A first 30 days checklist, everyday forms, licenses, workers’ comp and taxes for Kentucky, with a yearly calendar. Instant PDF download.

Buy the packet: $17

Digital product, all sales final. Informational only, not legal, financial, tax or business advice.

Master or journeyman, no exceptions

Kentucky's plumbing law says nobody works the trade without a master or journeyman license, issued through the Department of Housing, Buildings and Construction. Get the current requirements for the license you need to contract on your own, and the exam schedule, from DHBC before you set a launch date.

Source: KRS 318.030, plumbing license · Kentucky DHBC

$250,000 in general liability

You need at least $250,000 in general liability, plus proof of workers' comp and unemployment insurance. Get the quote early. It's a fixed cost that goes into your overhead on every job.

Source: KRS 318.030, plumbing license and insurance

What it takes to open the doors

Put in what each of these will really cost you. Leave out what you already own. The total tells you how many days of work it takes to pay for the start, at your floor rate.

Total to open the doors$0

Work out your floor rate and it loads here.

The rest is the same for every trade in Kentucky

Workers’ compOne employee and you're in Getting paid and liensGetting paid: notice, six months, twelve months Sales tax on materialsYou pay at the counter, whatever the contract says LLC and taxesLLC, sole proprietor, or S-corp?

When you’re ready to run work, consider Command Center

Every price you send starts from your floor rate. Proposals, change orders, invoices and receipts go out on your own letterhead, the customer signs and pays online, and every job closes out showing what it actually made.

See how it works What’s in the $99 bundle

Education, not legal or tax advice. Rules change. Confirm anything here with the agency or a licensed pro in Kentucky before you rely on it. Last checked November 2026.