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

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

## 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/).