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State files updated Oct 27, 2026
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Iowa license examsElectrician, Plumber and HVAC

Iowa tests electrician, plumber and HVAC license applicants. Each trade has its own exam and testing company.

Journeyman and master exams in Iowa

Electrician

Who gives it
PSI1
Code book
2023 National Electrical Code
Hours and license steps

Plumber

Who gives it
Kirkwood Community College2
Exam fee
$35
Hours and license steps

HVAC

Who gives it
Kirkwood Community College2
Exam fee
$35
Hours and license steps

How do you book the exam?

Apply to the Iowa DIAL first. The board approves your application, then tells you how to schedule with the testing company. Iowa DIAL

Sources

  1. Iowa electrician license: exam (dial.iowa.gov, 2026-10-27)
  2. Iowa plumber license: exam (dial.iowa.gov, 2026-10-27)