Iowa
For Iowa, disclosure required is Yes; sellers must deliver a written disclosure statement indicating the condition of the property, including results of any radon tests. Buyer must acknowledge receipt of a state-issued radon fact sheet; testing mandated is Yes; child care centers at ground level or with basements must test for radon. Public school districts must test by July 1, 2027 and every five years thereafter; professional certification required is Yes; Department of Public Health certifies persons who test for radon and credentials persons who perform radon abatement; action level pci l is 4.0 pCi/L; school testing required is Yes; public school districts must test for radon by July 1, 2027 and every five years thereafter, and publish results on the district website, recorded from its source on 2026-08-15.
- jurisdiction
- Iowa verified
- disclosure required
- Yes; sellers must deliver a written disclosure statement indicating the condition of the property, including results of any radon tests. Buyer must acknowledge receipt of a state-issued radon fact sheet.
- testing mandated
- Yes; child care centers at ground level or with basements must test for radon. Public school districts must test by July 1, 2027 and every five years thereafter.
- professional certification required
- Yes; Department of Public Health certifies persons who test for radon and credentials persons who perform radon abatement.
- action level pci l
- 4.0 pCi/L
- school testing required
- Yes; public school districts must test for radon by July 1, 2027 and every five years thereafter, and publish results on the district website.
- statute citation
- Iowa Code §§ 558A.1 et seq., 237A.12, 280.32, 136B.1--.5
What the source says
Requires sellers of residential real property to deliver to buyers prior to transfer a written disclosure statement indicating the condition and characteristics of the property. Regulations adopted under the law (Iowa Admin. Code 193E-14.1(543B)) incorporate the required disclosure items in a sample form, including disclosure of the results of any radon tests and the presence of lead-based paint or asbestos.
— eli.org, retrieved 2026-08-15
Source
- eli.orghttps://www.eli.org/sites/default/files/files-pdf/2025%20Radon.pdf