Inspector certifications

Scope of work

Specialized plumbing inspectors inspect plumbing and piping systems conveying potable water, storm, or domestic sanitary sewage in buildings less than 75 feet above grade in height as defined in the Oregon Structural Specialty Code (OSSC) and containing a building water service less than two inches in nominal interior diameter.

An SPI may not conduct inspections in new structures with plumbing or piping systems for any of the following:

  • Installation or alteration of a medical gas and vacuum system for health care facilities
  • Installation or alteration of chemical drainage, waste, and vent systems containing chemical agents potentially detrimental to the integrity of a plumbing system
  • ​Installation or alteration of waste water pre-treatment systems for building sewers
  • Installation of vacuum drainage, waste, and vent systems
  • Installation or alteration of reclaimed water systems
  • Installation of a commercial booster pump system needed to maintain minimum residual water pressure in a structure supplied by a municipal source
  • Food service plumbing systems

An SPI may inspect existing structures with plumbing systems containing any of the items listed above, but the specialized plumbing inspector may not inspect the items listed above.

Applicable rules: OAR 918-098-1570

Certification pathways

To obtain this certification you must enroll in the division SPI training course​.​​

Specific qualifications

As a condition of entering an SPI training course, the applicant must have the following:​

  • ​A valid Residential Plumbing Inspector certification (CAE) for at least one year and
  • ​Be employed as a residential plumbing inspector for at least one year prior to application.​
​​Note: A person does not need one year of experience if they completed the division residential plumbing certification course.
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​Certification pathways