Real estate disclosure laws generally require sellers to inform potential buyers about known material defects, which often includes mold or past water damage that could lead to mold growth. Failure to disclose these issues properly can expose sellers—and sometimes their real estate agents—to legal claims even after the sale is complete. In many states, mold specifically appears on property disclosure forms, but even where it doesn’t, it can still be legally considered a material fact.

Buyers who uncover undisclosed mold problems after purchase may pursue legal remedies such as rescission of the sale, damages for repair costs, or claims of fraud. For realtors, improper handling of mold disclosures can result in professional liability complaints. Understanding local laws and erring on the side of transparency is critical for protecting all parties and ensuring that transactions move forward without future disputes.