NYSDOH recommends testing when buying a home and says radon testing is optional in New York. Whether a seller tests before listing is a transaction decision; if testing is used, preserve the report and avoid broader representations than the report supports.
From the seller playbook: Radon and PFAS Due Diligence for New York Sellers
This is general information, not legal, tax or accounting advice. Every situation is different. Talk to a licensed attorney, accountant or tax professional before you act.
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