New York
For New York, disclosure required is Yes; sellers of residential real property must complete and provide a property condition disclosure statement, including disclosure of any radon testing performed on the property; testing mandated is Yes; child day care facilities in Zone 1 areas must complete radon testing before licensing; professional certification required is Yes; radon testing and mitigation firms must report testing and mitigation results to the Department of Health. Radon Assessment Specialists must meet state requirements; action level pci l is No state-specific action level; follows EPA recommended 4 pCi/L; school testing required is No mandatory school testing requirement, but child day care facilities in Zone 1 areas must test, recorded from its source on 2026-08-15.
- jurisdiction
- New York
- disclosure required
- Yes; sellers of residential real property must complete and provide a property condition disclosure statement, including disclosure of any radon testing performed on the property. verified
- testing mandated
- Yes; child day care facilities in Zone 1 areas must complete radon testing before licensing.
- professional certification required
- Yes; radon testing and mitigation firms must report testing and mitigation results to the Department of Health. Radon Assessment Specialists must meet state requirements.
- action level pci l
- No state-specific action level; follows EPA recommended 4 pCi/L
- school testing required
- No mandatory school testing requirement, but child day care facilities in Zone 1 areas must test.
- statute citation
- New York Real Property Law § 462; New York Public Health Law § 225; New York Social Services Law § 390
What the source says
Requires all sellers of residential real property to complete and provide to the buyer a property condition disclosure statement, which requires disclosure of the presence of hazardous substances, asbestos, and methane gas, and of any radon testing performed on the property.
— eli.org, retrieved 2026-08-15
Source
- eli.orghttps://www.eli.org/sites/default/files/files-pdf/2025%20Radon.pdf