Oregon Plumbing License (Jouneyman/Contractor)

Requirements to Obtaining your License

• Must have a High school diploma or equivalent and completion of an approved four year plumbing apprenticeship program.
• Submit a copy of your high school diploma or transcript, a GED certificate, or a military record (DD214) showing proof of high school completion.
• Pass a written examination. (Journeyman)
• Must register with the Construction Contractors Board prior to submitting an application for the "Plumbing Business/Contractor (PB)" license.
• All other requirements, see this PDF (bonding, insurance, etc)

Work that can be Done Under this License

A journeyman plumber may perform all plumbing installations, alterations, or remodels. A journeyman plumber has completed an approved apprenticeship training program or equivalent training/experience and has passed the State Plumbing Board plumbing license examination.

The holder of a certificate of "registration to conduct a plumbing business" entitles a person to advertise; furnish labor and material, or labor only; to install; alter; and repair plumbing. This registration does not entitle the holder to work as a journeyman plumber without a certificate of competence.

Applying to get your License

• $305.00 to apply and take journeyman plumber's examination. This fee includes your first license cycle when you pass the exam. Download application form here.
• $240.00 Reciprocal application fee. You must have tested in the state you are reciprocating from.
• $300.00 application fee for a plumbing contractor. Download application form here.

DCBS - Building Codes Division
PO BOX 14470
Salem, OR 97309 - 0404
(503)378-4133

Reciprocity Agreements

Idaho,Montana

Continuing Education

8 hours of code related credits per license year. One code change course is required if determined by the Plumbing Board.

Exam Details

Written exam and practical exam (Journeyman):

• (1) Written exam: 4 hour 64 question open book . All questions are multiple choice or True/False. Minimum score to pass the exam - 75 percent.
  (2) Practical exam: blue print reading, isometric drawing, and Piping assembly. Minimum score to pass the exam - 75 percent.

Books and References for the Exam

These books are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

• Only the following materials are permitted for OPEN-BOOK examinations:
  • Oregon State Plumbing Specialty Code
  • One and Two Family Dwelling Specialty Code
  • (OSHA) Occupational Safety and Health Code
  • Oregon Administrative Rules (found here)
  • Oregon Revised Statutes (found her

Exam Review, Training, Education