- Construction
- Plumber License
- 39 states
Plumber License Requirements by State
Each state sets its own classes, experience requirements and exams. Pick your state for the full guide: requirements, exams, costs, reciprocity and renewal.
By state
Plumber licenses by state
| State | License classes | Exam vendor | Guide |
|---|---|---|---|
| Alabama | Journeyman Plumber, Master Plumber | Prov | View guide |
| Alaska | Plumber Journeyman Certificate of Fitness, Mechanical Administrator, Unlimited Commercial & Industrial Plumbing | PSI | View guide |
| Arizona | Residential Plumbing (including Solar), Commercial Plumbing, Dual Plumbing Contractor | PSI | View guide |
| Arkansas | Journeyman Plumber, Master Plumber | Arkansas Dept. of Health | View guide |
| Colorado | Residential Plumber, Journeyworker Plumber, Master Plumber | PSI | View guide |
| Connecticut | Unlimited Journeyperson Plumber, Unlimited Plumbing Contractor | PSI | View guide |
| Delaware | Master Plumber | Prov | View guide |
| District of Columbia | Journeyman Plumber with Gas, Master Plumber with Gas | PSI | View guide |
| Georgia | Journeyman Plumber, Master Plumber Class I, Master Plumber Class II | AMP | View guide |
| Hawaii | Plumbing Contractor | PSI | View guide |
| Idaho | Journeyman Plumber, Plumbing Contractor | PSI | View guide |
| Indiana | Journeyman Plumber, Plumbing Contractor | Prov | View guide |
| Iowa | Journeyperson Plumber with Gas, Master Plumber with Gas | Kirkwood Community College | View guide |
| Kansas | Journeyman Plumber, Master Plumber, Plumbing Contractor | Pearson VUE (ICC) | View guide |
| Kentucky | Journeyman Plumber, Master Plumber | Kentucky DHBC | View guide |
| Louisiana | Journeyman Plumber, Master Plumber | Scheduled through SPBLA | View guide |
| Maine | Journeyman Plumber, Master Plumber | Prov | View guide |
| Massachusetts | Journeyman Plumber, Master Plumber | PSI | View guide |
| Michigan | Journey Plumber, Master Plumber, Plumbing Contractor | PSI | View guide |
| Minnesota | Journeyworker Plumber, Master Plumber, Plumbing Contractor, Restricted Plumber | Minnesota DLI | View guide |
| Mississippi | Plumbing Contractor | PSI | View guide |
| Montana | Journeyman Plumber, Master Plumber | GITS | View guide |
| New Hampshire | Journeyman Plumber, Master Plumber | Prov or NH Gasfitters | View guide |
| New Jersey | Journeyman Plumber, Master Plumber | PSI | View guide |
| New Mexico | Plumbing | PSI | View guide |
| North Carolina | Class I Plumbing, Class II Plumbing, Special Restricted Plumbing & Heating | PSI | View guide |
| North Dakota | Journeyman Plumber, Master Plumber | State Plumbing Board | View guide |
| Oregon | Journeyman Plumber | State of Oregon | View guide |
| Pennsylvania | Journeyman Plumber, Master Plumber | Pearson VUE | View guide |
| Rhode Island | Journeyperson Plumber, Master Plumber | State of Rhode Island | View guide |
| South Carolina | Residential Plumbing Contractor | PSI | View guide |
| South Dakota | Journeyman Plumber, Plumbing Contractor (Master) | State Plumbing Board | View guide |
| Tennessee | Limited Licensed Plumber, Plumbing Contractor | Prov | View guide |
| Texas | Tradesman Plumber-Limited, Journeyman Plumber, Master Plumber | PSI | View guide |
| Utah | Journeyman Plumber, Master Plumber, Residential Journeyman Plumber, Residential Master Plumber | Prov | View guide |
| Vermont | Journeyman Plumber, Master Plumber, Specialist | Prov | View guide |
| Virginia | Residential Plumber, Journeyman Plumber, Master Plumber, Plumbing Contractor | PSI | View guide |
| Washington | Plumber trainee, Journeyman Plumber | PSI | View guide |
| Wisconsin | Journeyman Plumber, Master Plumber, Plumbing Contractor | Pearson VUE (computer) or DSPS (paper) | View guide |
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Exam Insiders is an independent guide. We are not affiliated with any state licensing board or exam vendor.