Plumber license requirements in Connecticut.
Connecticut licenses plumbers through the Department of Consumer Protection, with the Plumbing and Piping Work Examining Board overseeing exams and enforcement. The two unlimited credentials are P-2 for the journeyperson and P-1 for the contractor.
What Connecticut requires.
P-2 — Unlimited Journeyperson Plumber
The working license. Requires a registered apprenticeship (or equivalent experience and training) plus the plumber examination.
P-1 — Unlimited Plumbing Contractor
The contracting license. Requires at least two years of licensed unlimited journeyperson experience plus a trade exam and a business and law exam.
Getting the P-2 — Unlimited Journeyperson Plumber
- P-2: complete a registered apprenticeship — typically four years — or demonstrate equivalent experience and training
- P-2: document 576 classroom hours and 8,000 hours of on-the-job training, then pass the plumber examination (application fee $90)
- P-1: hold at least two years of experience as an unlimited licensed journeyperson or the equivalent
- P-1: pass both the trade examination and the business and law examination (application fee $150)
The official board
Connecticut Department of Consumer Protection — Plumbing and Piping Work Examining Board
Visit the boardVerified 2026-08 against the sources below. Licensing rules change — confirm with the board before relying on this page.
Connecticut plumbing licensing FAQ.
Do you need a license to do plumbing work in Connecticut?
Yes. Connecticut licenses plumbers through the Department of Consumer Protection, with the Plumbing and Piping Work Examining Board handling exams and enforcement. The unlimited credentials are P-2 for journeypersons and P-1 for contractors.
What is the difference between a P-1 and P-2 license in Connecticut?
P-2 is the unlimited journeyperson plumber license — the working credential. P-1 is the unlimited plumbing contractor license, which requires two years of licensed journeyperson experience plus both a trade exam and a business and law exam.
How many hours do you need for a Connecticut plumbing license?
For the P-2 journeyperson license, 576 classroom hours and 8,000 hours of on-the-job training, typically through a four-year registered apprenticeship, or equivalent experience and training.
How much does a Connecticut plumbing license application cost?
The journeyperson application fee is $90 and the contractor application fee is $150. Both are non-refundable.
CT plumbers lose more jobs to slow replies than to competitors.
Emergency calls come in while you’re elbow-deep in a repair — and roll to voicemail.
Quote requests go quiet because the follow-up text never got sent.
Repeat customers drift: nobody reminds them about the water heater you flagged last year.
Oski answers the “can you come today?” text in about a minute, follows up on every quote, and asks for the review while the fix is still fresh.
14 days free · Setup in about 15 minutes · Cancel anytime
More for plumbers
Nearby & related states
Stop losing leads while you’re busy working.
Give yourself a front desk for the next 14 days — and decide for yourself if it’s worth keeping.
14 days free · Setup in about 15 minutes · Cancel anytime