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Plumber license requirements by state and province
Who licenses plumbers in each jurisdiction and which license levels exist. Open a row for exam, hours, fees, renewal and reciprocity details with quotes from the official pages.
| Jurisdiction | Licensing authority | Statewide license? | License levels (from source) |
|---|---|---|---|
| Alabama | See page | — | Not verified yet |
| Alaska | See page | — | A state Plumber Trainee Certificate of Fitness is required to earn hours toward a Journeyman COF. |
| Arizona | Arizona Registrar of Contractors licensing: 877.692.9762. | — | R-37 Plumbing, Including Solar: water and gas piping, fire sprinkler (water), sewage treatment systems, fixtures and solar. |
| Arkansas | See page | — | Not verified yet |
| California | Contractors State License Board (CSLB), phone (800) 321-CSLB (2752). | California CSLB contractor license (e.g. C-36 Plumbing) required for contract work valued at $1,000 or more (labor + materials), or work needing a building permit or using employees. | Not verified yet |
| Colorado | State Plumbing Board (DORA DPO), phone 303-894-7800. | — | Initial plumbing license by examination or endorsement. |
| Connecticut | See page | — | Not verified yet |
| Delaware | See page | — | Not verified yet |
| Florida | See page | — | State-certified license type: Certified Plumbing Contractor (CILB). |
| Georgia | See page | — | License types: Journeyman Plumber, Master Plumber (Restricted), Master Plumber (Non-Restricted). |
| Hawaii | See page | — | Not verified yet |
| Idaho | See page | — | Not verified yet |
| Illinois | Illinois Department of Public Health licenses plumbers, plumbing contractors and apprentices. | — | Apprentice plumbers must be at least 16 and sponsored by an Illinois licensed plumber or approved program. |
| Indiana | See page | — | Not verified yet |
| Iowa | See page | — | Not verified yet |
| Kansas | See page | — | Not verified yet |
| Kentucky | See page | — | Not verified yet |
| Louisiana | See page | — | Not verified yet |
| Maine | See page | — | Not verified yet |
| Maryland | See page | — | Not verified yet |
| Massachusetts | See page | — | The Board examines and licenses journeyman and master plumbers and gas fitters.; Apprentice plumbers and gas fitters are registered with the Board. |
| Michigan | See page | — | Not verified yet |
| Minnesota | See page | — | Not verified yet |
| Mississippi | See page | — | Not verified yet |
| Missouri | See page | — | Not verified yet |
| Montana | See page | — | Not verified yet |
| Nebraska | See page | — | Not verified yet |
| Nevada | See page | — | Not verified yet |
| New Hampshire | See page | — | Not verified yet |
| New Jersey | See page | — | Not verified yet |
| New Mexico | See page | — | Not verified yet |
| New York | See page | — | Not verified yet |
| North Carolina | Board Exam Coordinator: 984-884-5753. | — | Not verified yet |
| North Dakota | See page | — | Not verified yet |
| Ohio | See page | — | OCILB issues state contractor licenses, also called Master Licenses, for electrical, HVAC, plumbing, hydronics and refrigeration. |
| Oklahoma | See page | — | Not verified yet |
| Oregon | Oregon Building Codes Division issues electrical, plumbing, boiler, elevator and manufactured dwelling licenses. | — | Not verified yet |
| Pennsylvania | See page | Pennsylvania has no statewide license for most construction trades; some municipalities license electricians and plumbers. | Not verified yet |
| Rhode Island | See page | — | Not verified yet |
| South Carolina | See page | — | Not verified yet |
| South Dakota | See page | — | Not verified yet |
| Tennessee | See page | — | Not verified yet |
| Texas | Texas State Board of Plumbing Examiners (TSBPE) licenses plumbers. | — | Not verified yet |
| Utah | See page | — | Not verified yet |
| Vermont | See page | — | Not verified yet |
| Virginia | See page | — | Not verified yet |
| Washington | See page | — | Certification as journey level or specialty plumber, typically starting as a trainee. |
| West Virginia | See page | — | Not verified yet |
| Wisconsin | See page | — | Not verified yet |
| Wyoming | See page | — | Not verified yet |
| Alberta (CA) | See page | — | Not verified yet |
| British Columbia (CA) | See page | — | Certification type: Red Seal. |
| Manitoba (CA) | See page | — | Not verified yet |
| New Brunswick (CA) | See page | — | Not verified yet |
| Newfoundland and Labrador (CA) | See page | — | Not verified yet |
| Northwest Territories (CA) | See page | — | Not verified yet |
| Nova Scotia (CA) | See page | — | Not verified yet |
| Nunavut (CA) | See page | — | Not verified yet |
| Ontario (CA) | Skilled Trades Ontario: 647-847-3000, toll-free (Ontario) 1-855-299-0028. | Compulsory trade: you must hold a Registered Training Agreement, Provisional Certificate of Qualification or Certificate of Qualification to practise. | Not verified yet |
| Prince Edward Island (CA) | See page | — | Not verified yet |
| Quebec (CA) | CCQ customer service: 1 888 842-8282. | — | CCQ journeyperson route for holders of a MTESS qualification certificate (electrician, refrigeration systems, plumbing, heating). |
| Saskatchewan (CA) | See page | — | Not verified yet |
| Yukon (CA) | See page | — | Not verified yet |
Extracted from official licensing-board pages; items that could not be matched to a quote on the source page are marked “unverified” on each detail page. Rules change; always confirm with the board.