Plumber License in Iowa

Everything you need to know about getting your plumber license in Iowa. A state license is required.

How to Get Licensed: Step by Step

Meet Basic Requirements

Be at least 18 years old with a valid ID. Pass a background check.

Complete Education

High school diploma or GED; plumbing trade school may reduce experience requirement

Gain 4 Years of Experience

Completion of a 4-year plumbing apprenticeship or 8,000 hours of supervised experience.

Complete Apprenticeship

Complete 8,000 hours of apprenticeship training.

Pass the Journeyman Plumber Exam

Obtain Insurance & Bonding

Secure General Liability, Workers Compensation insurance.

Submit Application

Apply to the Iowa Department of Public Health — Plumbing and Mechanical. Pay the application and license fees.

Requirements

Age Requirement	18+
Experience	4 years — 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
Background Check	Required

Fee Breakdown

Application Fee$70

License Fee$120

Exam Fee$95

Total Initial Cost$285

Renewal Fee (every 2 years)$75

Exam Information

Exam Name: Journeyman Plumber Exam
Provider: Prometric
Exam Fee: $95

Insurance & Bonding

Insurance Requirements

Required Types:

General Liability
Workers 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 Iowa?

Yes, Iowa requires a state license for plumbers. The license is issued by the Iowa Department of Public Health — Plumbing and Mechanical.

How much does a plumber license cost in Iowa?

The total initial cost is approximately $285, which includes the application fee ($70), license fee ($120), and exam fee ($95). Renewal costs $75 every 2 years.

How long does it take to get a plumber license in Iowa?

You'll need 4 years of experience before you can apply. Once you meet all requirements, the application process typically takes 4-8 weeks.

Is there a plumber exam in Iowa?

Yes, you must pass the Journeyman Plumber Exam, administered by Prometric. The exam fee is $95.

Does Iowa have reciprocity with other states for plumber licenses?

Iowa does not currently have reciprocity agreements for contractor licenses with other states.

Last verified: March 4, 2026

Information sourced from Iowa Department of Public Health — Plumbing and Mechanical. Always verify directly with the licensing authority for the most current requirements.

See something inaccurate?

Licensing requirements change frequently. If you notice outdated or incorrect information about Iowa Journeyman Plumber License, please let us know.

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