# South Dakota — State Residential Radon Disclosure, Testing, and Certification Requirements For South Dakota, disclosure required is Yes; sellers must provide a property disclosure form addressing known hazardous conditions including radon and any known testing; testing mandated is No; professional certification required is No state-specific requirement; action level pci l is No state-specific action level; school testing required is No, recorded from its source on 2026-08-15. - **jurisdiction:** South Dakota - **disclosure required:** Yes; sellers must provide a property disclosure form addressing known hazardous conditions including radon and any known testing. _(verified: appears in the quote below)_ - **testing mandated:** No - **professional certification required:** No state-specific requirement - **action level pci l:** No state-specific action level - **school testing required:** No - **statute citation:** South Dakota Codified Laws §§ 43-4-37--44 ## What the source says > Requires sellers of residential property to provide a property disclosure form that addresses known hazardous conditions including radon, mold, methane gas, lead paint, asbestos insulation, urea formaldehyde foam insulation, and toxic materials, as well as any known testing for such conditions. ## 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/).