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

§ 4.1 — Mason City, IA

Certified radon mitigation in Mason City, 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. Hackett, Jason (jake) W.

    Jake Hackett Construction

    current IA HHS № RNMIT10081

    mitigation

    (641) 430-9386August 29, 2026cite ↗

  2. Hackett, Jason C.

    Jake Hackett Construction

    current IA HHS № RNMIT10084

    mitigation

    (641) 430-9386August 29, 2026cite ↗
Fig. 4 — Mason 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.