How to Get a Plumber License in Maryland
Last updated: March 1, 2026
Maryland is a market boosted by proximity to Washington DC and strong federal employment, making it an excellent place to start a career as a plumber. Whether you're looking for a career change or entering the workforce for the first time, obtaining your plumber license in Maryland is a structured process overseen by the Maryland State Board of Plumbing.
Maryland requires just 0 hours of pre-license education — one of the lowest requirements in the nation. The total cost is relatively affordable at $200 to $500, including education, application, and exam fees. Most aspiring plumbers complete the entire process in 4-8 weeks, depending on how quickly they move through the coursework and exam preparation.
Maryland Plumber License Requirements
| Requirement | Details |
|---|---|
| Minimum Age | 18 years old |
| Pre-License Education | 0 hours |
| Degree Required | No |
| Exam Required | Yes — Maryland Journeyman Plumber Exam |
| Passing Score | 70% |
| Background Check | No |
| Broker Sponsorship | Not required |
| Application Fee | $50 |
| Exam Fee | $100 |
| Governing Body | Maryland State Board of Plumbing |
| License Reciprocity | None |
Reciprocity: Maryland offers reciprocity with states that have a reciprocal agreement.
Steps to Get Your Plumber License in Maryland
- 1
Complete Apprenticeship or Experience Requirement
Must complete 5 years (10,000 hours) of apprenticeship under a licensed master plumber, or hold an approved degree with reduced experience. Most states require 4+ years of on-the-job training under a licensed plumber.
Time: 4-5 years Cost: $150 - 2
Submit Your License Application
Apply through the Maryland State Board of Plumbing. You'll need documentation of your work experience, and the application fee is $50.
Time: 2-6 weeks for processing Cost: $50 - 3
Pass the Maryland Journeyman Plumber Exam
Schedule and pass the plumbing licensing exam administered by PSI. You must score at least 70% to pass.
Time: 2-4 weeks to prepare and take Cost: $100 - 4
Obtain Insurance if Required
Some states and employers require liability insurance before you begin working independently. Check the Maryland State Board of Plumbing requirements.
Time: 1-2 weeks - 5
Receive Your Plumber License
Once you've passed the exam and met all requirements, the Maryland State Board of Plumbing will issue your license. You can then legally perform plumbing work in Maryland.
Time: 1-4 weeks
Key Things to Know
- Education requirement: Must complete 5 years (10,000 hours) of apprenticeship under a licensed master plumber, or hold an approved degree with reduced experience.. Many providers offer online options, giving you flexibility to study on your own schedule.
- The licensing exam: The Maryland Journeyman Plumber Exam is administered by PSI. You'll need to score at least 70% to pass. Study materials and practice exams are available from most education providers.
- Already licensed in another state? Maryland offers reciprocity with states that have a reciprocal agreement.
- Ongoing requirements: Once licensed, you'll need 0 hours of continuing education every 2 years. No continuing education required for renewal.
How Much Does a Plumber License Cost in Maryland?
| Cost Item | Estimated Range |
|---|---|
| Pre-License Education | $300 - $700 |
| Application Fee | $50 |
| Exam Fee | $100 |
| Total Estimated Cost | $200 - $500 |
License Renewal
- Renewal Period: Every 2 years
- Continuing Education: 0 hours
- CE Details: No continuing education required for renewal
- Renewal Fee: $50
Tips for Success
- Choose your education provider carefully: Compare prices, format (online vs. in-person), and reviews. Some providers offer exam prep materials bundled with the course, which can save you money. Check the Maryland State Board of Plumbing website for a list of approved providers.
- Don't rush the exam: With only 0 hours required, you can complete the education portion quickly — some providers offer accelerated programs that finish in 2-3 weeks. Use practice exams to identify weak areas before scheduling your test date.
- Start with an apprenticeship: Most states require 4-5 years of on-the-job training under a licensed plumber. Union apprenticeships (UA) and non-union programs both offer structured paths with paid training.
- Know your plumbing codes: The licensing exam tests your knowledge of plumbing codes (Uniform or International Plumbing Code). Get the relevant code book for your state and take practice exams before scheduling your test.
Frequently Asked Questions
How long does it take to get a plumber license in Maryland?
Most people complete the process in 2-4 weeks total. The pre-license education (0 hours) takes the longest. After completing education, the exam and application process typically adds 2-6 weeks.
How much does it cost to get a plumber license in Maryland?
The total cost ranges from $200 to $500, including pre-license education, the application fee ($50), and the exam fee ($100).
Can I get a Maryland plumber license with a criminal record?
The Maryland State Board of Plumbing evaluates criminal history on a case-by-case basis. Having a criminal record does not automatically disqualify you, but certain offenses may affect your eligibility. Contact the Maryland State Board of Plumbing for guidance before applying.
Do I need a college degree to become a plumber in Maryland?
No. Maryland does not require a college degree. You only need to complete the 0 hours of approved pre-license courses.
Can I take the pre-license courses online in Maryland?
Many approved education providers offer pre-license courses online, allowing you to study at your own pace. Check the Maryland State Board of Plumbing website for a list of approved providers.
Sources
- https://www.dllr.state.md.us/license/plumb/
- Official website: Maryland State Board of Plumbing