# New York — State Residential Radon Disclosure, Testing, and Certification Requirements 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: appears in the quote below)_ - **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. ## 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/).