Radon testing & mitigation in Mason City
2 credentialed Iowa radon professionals serving Mason City,
sourced from the Iowa HHS credential rosters and cross-checked against each company's own site.
Filter by what you actually need — a mitigation install, a test, or both.
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Jake Hackett Construction
Mitigation Testing
No contractors match both filters at once — try clearing one.
No confirmed website 1 · credentialed, phone-only — no negative evidence, just nothing to link Kibsgaard Inspection
Testing
(641) 425-5489 No confirmed website No confirmed website found — no negative evidence, just nothing to link.
Source: Iowa HHS mitigation roster (current 7/16/2026) and measurement roster (current 8/24/2026),
cross-checked against each contractor's own website, Google Places, and Facebook where Places had
no result. Page generated 2026-09-21 from iowa_contractors_master.csv.
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