Guides to start your trade business

Louisiana plumbing licensing changes January 1, 2027. Here are the current board tiers and hours, the contractor license, and exactly what Act 908 changes.

How to get a plumbing license in Alabama: journeyman and master tiers, Prov exams, the new business law exam, the 4-hour CE rule and Mississippi reciprocity.

South Carolina licenses plumbers through two boards with two dollar thresholds. Here is the residential vs commercial split, exams, bonds and net worth.

How to get a plumbing license in Minnesota: the 7,000-hour journeyworker path, DLI exams, the contractor bond, CE hours and reciprocity with ND and SD.

How to get a plumbing license in Colorado: the four tiers, hours required, PSI exam, CE rules and the 2027 renewal change. Straight from the state board.

Wisconsin licenses plumbers statewide through DSPS. Open-book exams at 70%, master license $500 for 4 years, and 24 CE hours before every renewal.