Maryland journeyman plumber license

7,500 hours of supervised work, about 4 years full time.1

Maryland State Board of Plumbing lists these fees.3

2 years from date of issue.4 Continuing education: none to keep a Maryland plumbing license (8 hours a year only for a plumbing inspector card).1

Journey-level certificate: what Maryland State Board of Plumbing asks for once you're logging hours.¹

7,500hours of supervised work

2 YEARSbetween renewals

How many hours do you need for the journey-level certificate in Maryland?

7,500 hours of supervised work, about 4 years full time.¹

Apprentice: Minimum age 16
Journey-level certificate: 7,500 hrs4 years as an apprentice, 7,500 hours of training under a master, and 32 hours of backflow prevention testing training
Master license: 3,750 hrs2 years as a journey plumber and 3,750 hours of training under a master

Keep your own record of hours, employers and pay stubs. Maryland State Board of Plumbing can ask for proof when you apply.

A comprehensive written exam for journey and master. The exam is given by PSI Examination Services.¹²

Maryland State Board of Plumbing lists these fees.³

2 years from date of issue.⁴ Continuing education: none to keep a Maryland plumbing license (8 hours a year only for a plumbing inspector card).¹

The Board reciprocates only with Delaware, the Washington Suburban Sanitary Commission and Baltimore County.¹

Apprentice, Journey and Master plumber/gas fitter; separate natural gas fitter licenses.

Ready to apply?

Applications, exam booking and hour forms are on Maryland State Board of Plumbing's site.