HF 2297: Relating to radon mitigation in residential buildings

What it does

This bill relates to radon mitigation requirements. The bill requires the state building code commissioner to adopt as part of the state building code a requirement that new single-family or two-family residential construction include a passive method for the mitigation of radon listed in appendix AF of the international residential code, 2021 edition, published by the international code council. The requirement shall apply only to single-family or two-family residential construction commenced after the adoption of the requirement.

Senate subcommittee · named March 17, 2026

• Sen. Scott Webster (R) · scott.webster@legis.iowa.gov
• Sen. Ken Rozenboom (R) · ken.rozenboom@legis.iowa.gov
• Sen. Art Staed (D) · art.staed@legis.iowa.gov

Lobbying · 15 for, 0 against

For: American Lung Association; Dr. Tanja Garrison; Environmental Law and Policy Center; Iowa Affiliate of the American College of Nurse-Midwives; Iowa Chapter of the National Association of Pediatric Nurse Practitioners; Iowa Chapter-American Academy of Pediatrics; Iowa Conference of the United Methodist Church; Iowa Environmental Council; Iowa Environmental Health Association; Iowa Integrated Health Planning and Advisory Council; Iowa Medical Society; Iowa Nurse Practitioners Society; and 3 more

In plain words

1. February 5, 2026Filed in the House
2. March 12, 2026Passed the House, 87–4
3. March 16, 2026Arrived in the Senate
4. March 17, 2026Senate subcommittee named: Webster, Rozenboom and Staed
5. March 17, 2026Subcommittee recommended passing it
6. March 19, 2026Approved by the Senate committee
7. April 29, 2026Passed the Senate, 46–0
8. April 30, 2026Passed the House, 81–3
9. May 13, 2026Sent to the Governor
10. May 19, 2026Signed into law