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

For Indiana, disclosure required is Yes; sellers of property containing up to four dwelling units must complete a disclosure form disclosing knowledge of hazardous conditions including radon gas; testing mandated is No; professional certification required is Yes; state certification program required for persons engaged in radon testing and abatement; action level pci l is No state-specific action level; follows EPA recommended 4 pCi/L; school testing required is No, recorded from its source on 2026-08-15.

- **jurisdiction:** Indiana
- **disclosure required:** Yes; sellers of property containing up to four dwelling units must complete a disclosure form disclosing knowledge of hazardous conditions including radon gas. _(verified: appears in the quote below)_
- **testing mandated:** No
- **professional certification required:** Yes; state certification program required for persons engaged in radon testing and abatement.
- **action level pci l:** No state-specific action level; follows EPA recommended 4 pCi/L
- **school testing required:** No
- **statute citation:** Indiana Code §§ 32-21-5-1--12, 16-41-38-1--10

## What the source says

> Requires sellers of property containing up to four dwelling units to complete a Seller's Residential Real Estate Sales Disclosure form. Rules adopted under the law (876 Ind. Admin. Code 9-1-2) establish the disclosure form, which requires sellers to disclose knowledge of hazardous conditions on the property, including radon gas

## 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/).