Plumbing License in Massachusetts: Requirements & How to Get One
Massachusetts plumbing license guide: apprentice, journeyman, and master tiers, required theory and field hours, exams, and how to apply with the state board.
Plumbing License in Arizona: Requirements & How to Get One
Arizona plumbing license guide: no state journeyman license, ROC contractor licenses (C-37, R-37, CR-37), 4-year experience rule, exams, and how to apply.
Plumbing License in Washington: Requirements & How to Get One
Washington plumbing license guide: L&I plumber certification, trainee to journey-level hours, residential specialty, exams, CE, and plumbing contractor registration.
Plumbing License in Virginia: Requirements & How to Get One
Virginia plumbing license guide: DPOR tradesman licenses (journeyman, master), Class A/B/C contractor licenses, experience requirements, exams, and how to apply.
Plumbing License in New Jersey: Requirements & How to Get One
New Jersey plumbing license guide: the Master Plumber path, apprenticeship and journeyman hours, the 3-part exam, fees, and how to apply with the state board.
Plumbing License in Michigan: Requirements & How to Get One
Michigan plumbing license guide: apprentice, journeyman, master, and contractor requirements through LARA, plus hours, exams, and renewals.
Plumbing License in North Carolina: Requirements & How to Get One
North Carolina plumbing license guide: P-I contractor requirements, the 4,000-hour rule, exams, and the path to running your own shop.
Plumbing License in Georgia: Requirements & How to Get One
Georgia plumbing license guide: journeyman and master requirements, Class I vs Class II, the exam, and how to go out on your own.
Plumbing License in Ohio: Requirements & How to Get One
Ohio plumbing license guide: what OCILB actually licenses, the 5-year contractor path, exams, insurance, and how city-level licensing works.
Plumbing License in Illinois: Requirements & How to Get One
Illinois plumbing license guide: IDPH requirements, the apprentice path, exam and fees, and how to go from licensed plumber to business owner.
