HF 2297·IA·house
A bill for an act relating to radon mitigation in residential buildings.
Signed into LawFiled Feb 5, 2026
Sponsor: COMMITTEE ON STATE GOVERNMENT
Latest Action
Signed by Governor. H.J. 1166.
May 19, 2026
Summary
The bill directs Iowa’s building‑code commissioner to add a requirement to the state building code that all new single‑family and two‑family homes use a passive radon mitigation method listed in Appendix AF of the 2021 International Residential Code. The rule applies only to construction that begins after the requirement is adopted, aiming to lower indoor radon levels and protect residents’ health.
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