# New Jersey — State Residential Radon Disclosure, Testing, and Certification Requirements For New Jersey, disclosure required is Yes; sellers must provide buyers with copies of any radon test results upon entering into contract for sale. Disclosure form includes a voluntary section allowing sellers to provide radon testing results and mitigation information; testing mandated is Yes; child care centers must be tested for radon at least once every five years; professional certification required is Yes; state certification required for persons testing for or mitigating radon for remuneration; action level pci l is No state-specific action level; follows EPA recommended 4 pCi/L; school testing required is Yes; radon hazard subcode requires radon-resistant new construction in certain school buildings in designated areas, recorded from its source on 2026-08-15. - **jurisdiction:** New Jersey - **disclosure required:** Yes; sellers must provide buyers with copies of any radon test results upon entering into contract for sale. Disclosure form includes a voluntary section allowing sellers to provide radon testing results and mitigation information. - **testing mandated:** Yes; child care centers must be tested for radon at least once every five years. - **professional certification required:** Yes; state certification required for persons testing for or mitigating radon for remuneration. _(verified: appears in the quote below)_ - **action level pci l:** No state-specific action level; follows EPA recommended 4 pCi/L - **school testing required:** Yes; radon hazard subcode requires radon-resistant new construction in certain school buildings in designated areas. - **statute citation:** New Jersey Statutes §§ 26:2D-70--80, 30:5B-5.2, 52:27D-123A--123E, 56:8-19.1 ## What the source says > Requires sellers to provide buyers with copies of any radon test results upon entering into contract for sale. Regulations adopted under the law (N.J. Admin. Code 7:28-27.1 et seq.) establish the requirements and procedures for certification of radon testers and mitigators. ## 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/).