Indiana plumbing license: Complete 2026 Guide

Official-source review: August 24, 2026

Indiana plumbing license: Indiana regulates plumbers and plumbing contractors statewide through the Plumbing Commission. Applicants advance through supervised training and experience, apply for the correct individual or contractor class, pass the required examination and use the appropriate business credential.

Fast answer: Register the apprenticeship route, complete qualifying supervised experience, apply to the Commission, pass the journeyman or contractor examination, connect the responsible licensee to the contractor business and obtain local permits.

Indiana plumbing license authority experience exams fees insurance renewal — Indiana requirements summarized from the responsible agencies. Local permits, employers and certifying bodies may impose additional conditions.

What the Indiana plumbing license covers

Indiana regulates plumbers and plumbing contractors statewide through the Plumbing Commission. Applicants advance through supervised training and experience, apply for the correct individual or contractor class, pass the required examination and use the appropriate business credential.

Plumbing installation and contracting within the state license class held.
Work only within the credential issued.
Obtain every required local permit and inspection.

Compare related occupations and states in the License Finder.

Indiana plumbing license requirements at a glance

Requirement	Current rule or route
Route	State apprentice, journeyman plumber, plumbing contractor and contractor-business licensing through the Indiana Plumbing Commission
Experience	Complete the Commission-approved experience or apprenticeship route for the license requested.
Exam	Pass the examination required for journeyman plumber or plumbing contractor licensure.
Fees	Apprentice, examination, individual, contractor-business and permit fees apply.
Insurance or bond	Maintain the insurance, bond, workers compensation and business coverage required by the issuing authority.
Renewal	Renew individual and contractor-business licenses through PLA.

Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.

How to complete the Indiana plumbing license process

Classify the exact work and jurisdiction.
Complete required education and experience.
Apply and pass every required examination.
Register the business and provide insurance or bond.
Obtain local permits and inspections.
Renew credentials and retain project records.

Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.

Important Indiana rules and boundaries

State and local credentials may both apply.
Business and individual credentials are not interchangeable.
Licensing does not replace permits.
The issuing authority makes the final classification decision.

Indiana may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.

Indiana plumbing license cost and renewal

Budget separately for education, examinations, applications, insurance, business filings and local permits.

Renew each state and local credential separately and verify current fees before filing.

Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.

Indiana plumbing license checklist

Confirm that this credential matches the exact work you will perform.
Check whether the applicant is an individual, sole owner or separate business entity.
Collect experience and training records before submitting the application.
Use the current official form and fee schedule.
Complete every required examination or approved certification route.
File bonds, insurance and fingerprints when applicable.
Check county, city, water supplier and building-permit rules.
Save the expiration date and renewal requirements.

Frequently asked questions

Is this credential statewide?

The guide identifies whether the principal credential is statewide or controlled locally; permits and inspections remain project-specific.

Is an exam required?

Pass the examination required for journeyman plumber or plumbing contractor licensure.

When does it renew?

Renew individual and contractor-business licenses through PLA.

Are permits separate?

Yes.

Official sources used

Verified licensing details

Jurisdiction: state credential or local contractor license, depending on scope
Licensing authority: Indiana Plumbing Commission and Professional Licensing Agency
Fees: Apprentice, examination, individual, contractor-business and permit fees apply.
Experience: Complete the Commission-approved experience or apprenticeship route for the license requested.
Exams: Pass the examination required for journeyman plumber or plumbing contractor licensure.
Insurance or bond: Maintain the insurance, bond, workers compensation and business coverage required by the issuing authority.
Continuing education: Complete every education and continuing-education requirement published for the credential.
Renewal period: Renew individual and contractor-business licenses through PLA.

Official sources

Licensing authority

Official sources last checked August 23, 2026.

Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.