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

§ 4.1 — Iowa City, IA

Certified radon testing in Iowa City, IA

10 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. Becker, Samuel S.

    Shive-hattery Architecture & Engineering

    current IA HHS № RNTST10096

    testing

    (319) 354-3040August 29, 2026cite ↗

  2. Collin Hartz

    Vigilant Home Inspection, Llc

    current IA HHS № RNTST10259

    testing

    (319) 899-7538August 29, 2026cite ↗

  3. Degroot, David L.

    Sage Inspections, Llc

    current IA HHS № RNTST10168

    testing

    (319) 600-2799August 29, 2026cite ↗

  4. Ewing, Timothy R.

    Vigilant Home Inpsections, Llc

    current IA HHS № RNTST10232

    testing

    (319) 899-7538August 29, 2026cite ↗

  5. Kromminga, Daniel L.

    Vigilant Home Inpsections, Llc

    current IA HHS № RNTST10165

    testing

    (319) 899-7538August 29, 2026cite ↗

  6. Kromminga, Joshua C.

    Vigilant Home Inpsections, Llc

    current IA HHS № RNTST10127

    testing

    (319) 899-7538August 29, 2026cite ↗

  7. Matus, Brayden M.

    Vigilant Home Inspections, Llc

    current IA HHS № RNTST10271

    testing

    (319) 899-7538August 29, 2026cite ↗

  8. Patterson, Jacob J.

    Vigilant Home Inspections, Llc

    current IA HHS № RNTST10244

    testing

    (319) 899-7538August 29, 2026cite ↗

  9. Pratt, Alessandra A.

    Shive-hattery Architecture & Engineering

    current IA HHS № RNTST10160

    testing

    (319) 354-3040August 29, 2026cite ↗

  10. Streed, Craig O.

    All Pro Home Inspections

    current IA HHS № RNTST09122

    testing

    (319) 337-6614August 29, 2026cite ↗
Fig. 4 — Iowa City, 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.