Connecticut Plumbing License Requirements
Yes. Connecticut licenses plumbers through the CT DCP Plumbing and Piping Work Board. It issues apprentice, journeyman and contractor credentials. A journeyman license takes 8,000 hours of work experience.
State plumber license · By BrazeJobs Team · Updated
License tiers
| Apprentice | Registered apprentice |
| Journeyman | P-2 plumbing journeyperson |
| Master | No state license (P-1 is contractor) |
| Contractor | P-1 unlimited contractor (2 years as journeyman) |
Requirements
| Journeyman experience | 8,000 |
| Classroom hours | Apprenticeship classroom |
| Exam | State exam |
| Renewal | Annual |
| Continuing education | P-1: 7 hours in even-numbered renewal years |
| Local license | No (state license covers) |
| Board | CT DCP Plumbing and Piping Work Board |
Licensed in another state or the military
| Reciprocity | None (CT has no reciprocal agreements) |
- Source: portal.ct.gov · checked November 6, 2026
Apprenticeship
| Registering agency | State Apprenticeship Agency (Connecticut DOL) |
- Source: apprenticeship.gov · checked November 6, 2026
- Source: portal.ct.gov · checked November 6, 2026
Plumbing code
| Code in force | 2021 IPC with state amendments |
| Next edition | None |
2022 Connecticut State Building Code effective Oct 1, 2022. Proposed: 2026 Connecticut State Building Code, expected July 1, 2026 but delayed pending Legislative Regulation Review Committee approval