Licensing guide

Plumbing license requirements in Connecticut

The Connecticut Department of Consumer Protection issues plumbing licenses in Connecticut. Here's what each license level takes, from the official rules.

Issued by

Connecticut Department of Consumer Protection

Official site

Requirements checked October 21, 2026

License levels

In order, from the first license to the top one.

  1. 1

    P-2 Unlimited Journeyperson Plumber

    A registered apprenticeship, or equivalent experience and training. Then the exam.

    Official source
  2. 2

    P-1 Unlimited Plumbing Contractor

    Two years as a licensed unlimited journeyperson, or equivalent experience and training. Then the exam.

    Official source

Rules, fees and exam schedules change. Confirm the details with the Connecticut Department of Consumer Protection before you apply.

Plumbers in Connecticut

From the Bureau of Labor Statistics. See a city for local wages and contractor counts.

Plumbers employed
5,410
Median hourly wage
$37.16

Plumbing market data by city

Once you're licensed

Tradesman runs the business side for plumbers: estimates, scheduling, invoicing and payments in one app.

Plumbing licensing in Connecticut: common questions

Who issues plumbing licenses in Connecticut?

The Connecticut Department of Consumer Protection. The license levels and what each takes are listed above, with a link to the official source for each.

What does the P-1 Unlimited Plumbing Contractor license take in Connecticut?

Two years as a licensed unlimited journeyperson, or equivalent experience and training. Then the exam.

What's the first plumbing license in Connecticut?

The P-2 Unlimited Journeyperson Plumber. A registered apprenticeship, or equivalent experience and training. Then the exam.

Licensed and ready for more customers?

Tradesman handles estimates, scheduling and invoicing so you can spend your time on the work. Now in early access.