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Iowa Plumber License General FAQ

To work as a plumber in the State of Iowa a plumbing license from the Iowa Plumbing and Mechanical Systems Board is required. Anyone working as a plumber in the state of Iowa is required to be licensed with the Board.

Journeyman & Master

  • Submit your examination candidate application and appropriate fees to the Board.
  • Once you receive approval from the Board to take your exam(s), you must register for your exam with Kirkwood Community College.
  • Call for an appointment with the test center of your choice. Phone: 319-398-7768 or 319-398-5529
  • Prepare for your exam - study online!
  • Present your required identification at the test center and take the exam.
  • Once you pass, you will need to contact the Board office to submit a Post-Examination Licensure application.
  • Administration
  • Definitions
  • General Regulations
  • Plumbing Math
  • Fixtures, Faucets, and Fixture Fittings
  • Water Heaters
  • Water Supply and Distribution
  • Sanitary Drainage
  • Indirect and Special Waste
  • Vents
  • Traps, Interceptors, and Separators
  • Storm Drainage
  • Appendices
  • Hands-On Practical Application

Plumbing and Mechanical Systems Board office
321 E 12th Street
Des Moines, Iowa 50319-0075
Phone: 1-866-280-1521
FAX: 515-281-6114

  • Information Last Updated: 04/2020
  • Did you find incorrect information? Email Us
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