§ 4.1 — Davenport, IA

Certified radon testing in Davenport, IA

3 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. Martinez, Manuel

    Big River Property Inspection

    current IA HHS RNTST10069

    testing

    (563) 265-5690August 29, 2026cite ↗
  2. Moshier, Brock V.

    Big River Property Inspection

    current IA HHS RNTST10263

    testing

    (563) 265-5690August 29, 2026cite ↗
  3. Springmeier, John

    Springmeier Radon

    current IA HHS RNTST09139

    testing

    (563) 359-1345August 29, 2026cite ↗
Fig. 4Davenport, 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.