Plumber License Requirements in Indiana
| Licensing Authority | Indiana Professional Licensing Agency — Indiana Plumbing Commission (IPLA) |
| License Type | Plumbing Contractor |
| Experience Required | Apprentice: 4-year program with 576 hours classroom instruction and 6,400 hours OJT. Must be at least 17 years old. Journeyman: 4 years in an apprenticeship program or licensed plumber in another state. Contractor: Must hold a journeyman plumber license. |
| Education Substitute | Out-of-state journeyman plumber license may qualify for Indiana journeyman exam |
| Exam Required | Yes — Journeyman Plumber Exam + Plumbing Contractor Exam |
| Bond Required | No |
| Insurance | General liability: recommended. Workers comp: required with employees |
| Continuing Education | Not required |
| Processing Time | 4-6 weeks |
Fee Breakdown
| Application Fee | $50 |
| Exam Fee | $100 |
| Initial License Fee | $100 |
| Journeyman exam application fee | $30 |
| Journeyman exam fee | $75 |
| Journeyman initial license (odd year) | $30 |
| Journeyman renewal (biennial) | $30 |
| Apprentice renewal (biennial) | $10 |
| Est. Initial Total | $425 |
Renewal: $100 every 2 years (even-numbered years)
Exam Requirements
Journeyman Plumber Exam
Pass: 70%
Indiana Plumbing CodePlumbing systemsSafety practices
Plumbing Contractor Exam
Pass: 70%
Indiana Plumbing CodeBusiness practicesIndiana plumbing law
License Tiers
Plumbing Apprentice
Register for approved program (576 hours classroom + 6,400 hours OJT over 4 years)
Exam: Not required
Journeyman Plumber
4 years in apprenticeship program or licensed plumber in another state
Exam: Required
Plumbing Contractor
Must hold journeyman license
Exam: Required
Notes
- Plumbing is the ONLY trade with statewide licensing in Indiana
- Apprentice licenses expire October 1 of every even year
- No continuing education required for renewal
Frequently Asked Questions
Do I need a plumber license in Indiana?
Yes, Indiana requires a statewide plumber license through the Indiana Professional Licensing Agency — Indiana Plumbing Commission.
How much does a plumber license cost in Indiana?
The estimated initial cost is $250, including application, exam, and license fees.
Data last verified: 2026-04-02 | Source: IPLA