Diligence Inspections
Licensed Professional: Ryan Horton
At a Glance
About Diligence Inspections
Based in Milwaukie, Oregon, Diligence Inspections is a radon testing specialist. Holds NRPP Radon Measurement Professional certification.
Credentials & Verification
NRPP Radon Measurement Professional License
Licensed for professional radon testing and measurement
Issuing Body
National Radon Proficiency Program (NRPP)
License Type
Professional License
Status
Verify certification status directlyVerified against NRPP public databases · Last checked March 2026 · Report incorrect information
Contact & Location
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