Overview
Delaware requires a state-issued license to work independently as a pipefitter. Licensing is administered by Delaware Division of Professional Regulation (DPR). Requirements include supervised experience, a written exam, and payment of licensing fees.
Always verify current requirements directly with Delaware Division of Professional Regulation (DPR) before beginning your application, as rules can change.
License tiers and what each allows
| License | What you can do | Exam required |
|---|---|---|
| Apprentice Pipefitter | Training level. Work under supervision in a registered apprenticeship program. | Registration only |
| Journeyman Pipefitter | Install, maintain, and repair piping systems independently. | Yes. State journeyman exam |
| Foreman / Supervisor | Supervise crews and manage piping projects. | Experience + employer advancement |
Step-by-step path
Enroll in a registered apprenticeship program
Join a UA (United Association) local union apprenticeship or non-union program. Programs combine classroom instruction with on-the-job training.
Complete 8,000 hours of supervised training
Apprenticeship typically takes 4-5 years. You'll learn pipe layout, welding, and system testing under journeyman supervision.
Pass the journeyman pipefitter exam
The exam covers piping codes, materials, and installation practices specific to Delaware.
Apply for your license
Submit your application to Delaware Division of Professional Regulation (DPR) with your exam results and experience documentation.
Renew biennially
Your Delaware pipefitter license renews every two years.
Fee summary
| Item | Fee |
|---|---|
| Application / registration | Varies (check board) |
| Licensing exam | $75 |
| License issuance | Varies (check board) |
| License renewal (biennial) | Varies (check board) |