Plumbing Specialty Codes Inspector (PI) Last updated 10/28/2021

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License Fee Description Exemptions


Plumbing inspectors conduct on-site construction inspections and may review construction plans for all work regulated by the Plumbing Specialty Code.


Three years; renews with the OIC.

Renewal Information

A renewal notice will be mailed to the licensee approximately six weeks prior to the expiration of their license. Fees will be explained on the renewal form. Renewal fees vary by license type.

Duplicate License Requirements


Processing Time

Processing Time Description
1 Week Incomplete applications may cause delays.

Prerequisites and Requirements


Core qualifications

An individual seeking this code certification must first obtain the Oregon Inspector Certification (OIC). In addition, one of the following must be met:

​Two years of experience performing building permit inspections or plan reviews for or on behalf a jurisdiction
A bachelor's or master's degree in architecture or engineering; or be a certified architect or engineer​

Individuals who do not meet one of the above qualifications may instead complete a code certification training course administered by the division. (If hired by a municipality, this requirement must be met within six months of hire)​

Specific qualifications

To qualify using inspection experience you must have one of the following:​

Four years of work experience exclusively plumbing installation inspections of which at least two years is of commercial, industrial, and multi-family structures
Four years of work experience exclusively in the inspection of residential installations, and the completion of a division-approved plumbing inspector training program
An Oregon Residential Plumbing Inspector certification (CAP)​​ issued prior to April 1, 1998 with five years of plumbing inspection experience​

To qualify using trade experience you must have three years of employment and experience as an Oregon journeyman plumber (JP) or its equivalent.

To qualify using education and training, you must have a degree in mechanical engineering or certified professional registration with two years of work experience in plumbing design, installation, or inspection.

An individual can also qualify using a combination of experience or education equivalent to the options above.​​​​

Required Documentation

Completed application with applicable fee
Copy of high school diploma, GED or equivalent
Copy of apprenticeship completion (if required by license type)
Experience qualification documents (if required by license type)
Oregon Inspector Certification (OIC)

Examination Information

Four-hour, 64 question open book. Upon approval, a list will be provided outlining approved exam material.

Continuing Education Requirements

Varies by Certification. Continuing education requirements are dependent on code changes.

Bonding Requirements


Insurance Requirements


Additional Information

Other Information


Statutes, Administrative Rules, Ordinances

Other Detail Information

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