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Diligence Inspections

Name: Diligence Inspections
Address: Milwaukie, OR

Radon professional based in Milwaukie, OR

Contact on the state list	Ryan Horton
Listed as	Radon Measurement Company
Status	On the Oregon Health Authority list; company has an NRPP or NRSB certified technician on staff
Based in	Milwaukie, Oregon

"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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How to verify this license

We publish these details as they appear on the state list. Being on it is not a state license, and we do not vouch for the business. Before hiring, ask to see a current radon certification and a current certificate of insurance.

Checked against Oregon Health Authority radon measurement and mitigation company lists, last checked 2026-11-02. See the issuing agency.

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