Plumber License Requirements in Maryland
Everything you need to know about getting your plumber license in Maryland. A state license is required.
How to Get Your Plumber License in Maryland
1
Meet Basic Requirements
Be at least 18 years old with a valid ID. Pass a background check.
2
Complete Education
High school diploma or GED; plumbing trade school may reduce experience requirement
3
Gain 4 Years of Experience
Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience.
4
Complete Apprenticeship
Complete 8,000 hours of apprenticeship training.
5
Pass the Journeyman Plumber Exam
Register with Prometric and pass the required licensing exam.
6
Obtain Insurance & Bonding
Secure General Liability, Workers Compensation insurance.
7
Submit Application
Apply to the Maryland Department of Labor — Plumbing. Pay the application and license fees.
Requirements Overview
| Age Requirement | 18+ years old |
| Experience | Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience. |
| Education | High school diploma or GED; plumbing trade school may reduce experience requirement |
| Apprenticeship | 8,000 hours required |
| Background Check | Required |
Fee Breakdown
Application Fee $90
License Fee $160
Exam Fee $125
Total Initial Cost $375
Renewal Fee (every 2 yrs) $105
Exam Information
- Exam Name
- Journeyman Plumber Exam
- Exam Provider
- Prometric
- Exam Fee
- $125
Insurance & Bonding
Insurance Requirements
General LiabilityWorkers Compensation
Minimum Coverage:$500,000 per occurrence / $1,000,000 aggregate
Continuing Education
- Hours Required
- 16 hours
- Period
- Every 2 years
Frequently Asked Questions
Do I need a license to work as a plumber in Maryland?
Yes, Maryland requires a state license for plumbers. The license is issued by the Maryland Department of Labor — Plumbing. Working without a proper license can result in fines and legal penalties.
How much does a plumber license cost in Maryland?
The total initial cost for a plumber license in Maryland is approximately $375, which includes the application fee ($90), license fee ($160), and exam fee ($125). Renewal costs $105 every 2 years.
What exam do I need to pass for a plumber license in Maryland?
You must pass the Journeyman Plumber Exam, administered by Prometric. The exam fee is $125.
How much experience do I need to become a licensed plumber in Maryland?
Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience. An apprenticeship of 8,000 hours is also required.
Can I use my plumber license from another state in Maryland?
Maryland does not currently have formal reciprocity agreements for plumber licenses. You will need to apply for a new license and meet all Maryland requirements, including any required examinations.