Certified radon testers & mitigatorsIowa — testing — verified 29 Aug 2026

§ 4.1 — North Liberty, IA

Certified radon testing in North Liberty, IA

2 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology IA HHS.

Certified radon testingCertified radon mitigation

  1. Johnson, William O.

    Bloodhound Inspections

    current IA HHS № RNTST10276

    testing

    (319) 470-5382August 29, 2026cite ↗

  2. Paulson, Dennis

    In Depth Home Inspections, Llc

    current IA HHS № RNTST09128

    testing

    (319) 325-1779August 29, 2026cite ↗
Fig. 4 — North Liberty, IA, approximate. Pin is the city on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Iowa

Iowa HHS certifies radon measurement specialists and credentials mitigation specialists. The people below appear on the official certified/credentialed specialist PDFs we imported. Read the methodology. Credential status can change.