Relating to radon mitigation in residential buildings

Where it is now

1. ✓
   Done: IntroducedJanuary 16, 2025
2. ✓
   Done: SubcommitteeJanuary 23, 2025
3. ✓
   Done: House committeeJanuary 29, 2025
4. ✓
   Done: Passes the HouseMarch 12, 202687–4
5. ✓
   Done: Senate committeeMarch 19, 2026
6. ✓
   Done: Passes the SenateApril 29, 202646–0
7. ✓
   Done: To the GovernorMay 13, 2026
8. ✓
   Done: Signed into lawMay 19, 2026

Became HF 2297 → Its progress continues under the new number. Go to HF 2297 What’s a funnel?

What’s in it

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 passive methods for the mitigation of radon. The requirement shall apply only to single-family or two-family residential construction commenced after the adoption of the requirement.

From the explanation printed with the bill as introduced, written by the Legislative Services Agency. Changed since by amendment S-5114; see Amendments. Full bill text · What changed before it passed

House subcommittee

Named January 20, 2026. On January 28, 2026 it recommended amendment and passage.

• Rep. Hans C. Wilz REmail
• Rep. Austin Baeth DEmail
• Rep. Jon Dunwell R

Three legislators hear a bill first and recommend what the committee should do; it’s the best time to weigh in. How to take part

Iowa Code it changes

Creates§103A.8E

Read from the bill as introduced. Each links to every bill touching that chapter of the Iowa Code. How the Code works

Family tree

Where this legislation came from and where it went: earlier tries, the versions it moved through this Assembly, and later bills built on it.

Earlier and later bills are matched by wording or an identical title; check the text to be sure it’s the same idea.

Tried before

This idea has been filed in an earlier General Assembly. None became law, though one got through a chamber.

• HF 2170 Relating to radon mitigation in residential buildings
  90th General Assembly · Renumbered as HF 2491 · same title
  Cleared committee
• HF 2491 Relating to radon mitigation in residential buildings
  90th General Assembly · Passed House · same title
  Passed a chamber

Matched by the wording of each bill’s explanation, or an identical title. Companion bills and renumbered versions of this bill aren’t listed; they’re the same bill.