Guides · The ladder
There is one route and it is not a shortcut: become a journeyman, serve the years your state requires at that level, keep the license alive the whole time, then pass the master exam.
Master eligibility is built out of journeyman time. Every year must be licensed and verifiable. A lapse in the middle is not a pause in some states — Minnesota strips reciprocity value after 2 years unrenewed, and Texas closes lapsed files entirely at the same line. Renew on time; the renewal fee is the cheapest insurance in your career.
Employer names, dates, license numbers of the masters you worked under. Boards verify; memories do not verify. The file you build in year one is the application you file in year five.
Master exams add the business-of-the-trade layer — sizing, design, code administration — on top of journeyman knowledge. Fees and vendors are per state, on the ladder pages.
Illinois has no master title — its Licensed Plumber is the top credential. California's top of ladder is the C-36 qualifier. Florida's is the certified contractor and its qualifier role. The destination matters more than the word: check your state before you plan around a title it does not issue.