Michigan
For Michigan, disclosure required is Yes; sellers of residential property of up to four dwelling units must complete a seller's disclosure statement which provides for disclosure of radon gas and other environmental hazards; testing mandated is Yes; child care homes must be tested for radon before initial license and every four years thereafter at license renewal; professional certification required is No state-specific licensing requirement for radon professionals; action level pci l is 4.0 pCi/L; school testing required is No, recorded from its source on 2026-08-15.
- jurisdiction
- Michigan
- disclosure required
- Yes; sellers of residential property of up to four dwelling units must complete a seller's disclosure statement which provides for disclosure of radon gas and other environmental hazards. verified
- testing mandated
- Yes; child care homes must be tested for radon before initial license and every four years thereafter at license renewal.
- professional certification required
- No state-specific licensing requirement for radon professionals
- action level pci l
- 4.0 pCi/L
- school testing required
- No
- statute citation
- Michigan Compiled Laws §§ 565.951--.966, 722.112, 125.1504
What the source says
Requires sellers of residential property consisting of up to four dwelling units to complete a seller's disclosure statement, which provides for disclosure of any environmental hazards on the property, including radon gas, asbestos, formaldehyde, and lead-based paint.
— eli.org, retrieved 2026-08-15
Source
- eli.orghttps://www.eli.org/sites/default/files/files-pdf/2025%20Radon.pdf