Requirements, fees, and steps to get your plumbing contractor license in Maryland. Last updated 2025-01-01. Source
| License Name | Master Plumber License |
| Issuing Authority | Maryland Department of Labor |
| Exam Required | Yes |
| Exam Type | Maryland Master Plumber Exam |
| Bond Amount | $5,000 surety bond |
| GL Insurance | $500,000 GL per occurrence |
| Workers Comp | Required if employees |
| Initial Fee | $250 |
| Renewal Fee | $125 |
| Renewal Period | Biennial |
| CE Required | yes |
| CE Hours | 7 |
| Reciprocity States | None |
| Experience Required | 4 |
| Financial Requirement | None |
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