# Iowa — State Residential Radon Disclosure, Testing, and Certification Requirements

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: appears in the quote below)_
- **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.

## Source

- https://www.eli.org/sites/default/files/files-pdf/2025%20Radon.pdf

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [State Residential Radon Disclosure, Testing, and Certification Requirements](https://referencesource.org/state-radon-disclosure-requirements/).