Requirements, license levels, and the issuing authority — sourced from Wisconsin's official board.
Statewide licensing under DSPS.
| Requirements | Apprentice: 18+, five-year registered apprenticeship (annual registration renewal). Journeyman: complete the five-year apprenticeship and pass a two-part exam (open book, 70% to pass). Master: hold an active Wisconsin journeyman license for at least one year plus documented experience (approx. 4 years / 8,000 hours) and pass the master exam. No person may work at plumbing in the state unless licensed by DSPS. |
| Reciprocity | Not detailed on the official profession page reviewed. |
| Renewal | Journeyman and Master licenses expire March 31 on a four-year cycle, renewed via the LicensE portal (license.wi.gov). Continuing education: 24 hours per renewal for journeyman and master; 12 hours for journeyman-restricted service and master-restricted classes (per DSPS/SPS 305 rules). |
| Notes | Statewide licensing under DSPS. |
Sources: dsps.wi.gov · dsps.wi.gov · dsps.wi.gov. Always confirm current requirements with the issuing authority.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.