Connecticut Department of Consumer Protection · checked 2026-10-20
Connecticut Plumber License Requirements
Statewide license. P-1 contractors may do all plumbing and piping work as defined in Conn. Gen. Stat. § 20-330; P-2 journeypersons do the same work only while employed by a licensed contractor. Unlimited Plumbing Contractor: 2 years of experience at minimum, plus an exam.
- 1P-2 · Unlimited Journeyperson Plumber time not stated
- 2P-1 · Unlimited Plumbing Contractor 2 years after the prior level
License levels in Connecticut
The Connecticut path has 2 steps on this page: Unlimited Journeyperson Plumber and Unlimited Plumbing Contractor. The source states the time in years.
| Level | Experience | Classroom | Time from start | Exam | Fees |
|---|---|---|---|---|---|
| P-2 Unlimited Journeyperson Plumber | none stated | — | time not stated | Yes | Not printed |
| P-1 Unlimited Plumbing Contractor | 2 years at the prior level | — | 2 years after the prior level | Yes | Not printed |
Unlimited Journeyperson Plumber (P-2)
Completion of a registered apprenticeship program or equivalent experience and training. The DCP page states no hour count for the P-2. Source: CT DCP, Plumbing Licenses and Scope of Work.
Unlimited Plumbing Contractor (P-1)
Two years as an unlimited licensed journeyperson, or equivalent experience and training. Source: CT DCP, Plumbing Licenses and Scope of Work.
Connecticut also issues narrower classes on the same page: J-1/J-2 well pumps and water conditioning, J-3/J-4 lawn sprinklers, P-6/P-7 sewer, storm and water lines, P-8/P-9 gasoline tank, piping and pumps, PP-1/PP-2 process piping and SP-1/SP-2 spa and pool maintenance.
Exam
2 of the 2 levels listed here require an exam: Unlimited Journeyperson Plumber and Unlimited Plumbing Contractor. The source does not print a pass mark.
Fees
The Connecticut source read prints no dollar amounts for this license. The DCP plumbing page prints no fee amounts.
Reciprocity
The DCP plumbing page lists no reciprocity agreements; it directs licensing questions to DCP.occupationalprofessional@ct.gov.
How Connecticut compares
Connecticut's source gives 2 years for the unlimited plumbing contractor on top of the earlier level, but no time for the earlier level itself, so the full path cannot be ranked against other states.
Same trade elsewhere: Massachusetts · New Hampshire · Maine · Vermont · Rhode Island. All states side by side: Plumber license requirements by state.
Other trades in Connecticut
- Electrician: Unlimited Electrical Contractor: 6 years of experience at minimum, plus an exam.
- HVAC: Unlimited Heating, Piping and Cooling Contractor: 2 years of experience at minimum, plus an exam.
- General contractor: Connecticut uses a home improvement contractor registration for general contractors, not a skills license.
All covered trades on one page: Connecticut trade licenses.
Background reading: From apprentice to master: how long each state takes · How trade license exams work.
Questions
Who issues the plumber license in Connecticut?
Connecticut Department of Consumer Protection, Occupational and Professional Licensing Division. Statewide license. P-1 contractors may do all plumbing and piping work as defined in Conn. Gen. Stat. § 20-330; P-2 journeypersons do the same work only while employed by a licensed contractor.
How long does it take to qualify for the Unlimited Plumbing Contractor in Connecticut?
2 years by this site's count, plus however long the earlier level takes. Two years as an unlimited licensed journeyperson, or equivalent experience and training.
Does Connecticut have plumber license reciprocity?
The DCP plumbing page lists no reciprocity agreements; it directs licensing questions to DCP.occupationalprofessional@ct.gov.
Sources and last checked
| What | Source | Checked |
|---|---|---|
| Issuing authority | Connecticut Department of Consumer Protection, Occupational and Professional Licensing Division | 2026-10-20 |
| P-2 requirements | CT DCP, Plumbing Licenses and Scope of Work | 2026-10-20 |
| P-1 requirements | CT DCP, Plumbing Licenses and Scope of Work | 2026-10-20 |
| Law cited | Conn. Gen. Stat. § 20-330 (scope of plumbing and piping work) | 2026-10-20 |
This page summarises what the Connecticut source said on 2026-10-20. It is general information, not legal advice; the board's own page and the statute are the authority and can change. Confirm with Connecticut Department of Consumer Protection before applying. The free official route is the board itself: its page, application forms and staff answer eligibility questions.