Asbestos is a well-known hazardous substance that can lead to the development of several illnesses, including mesothelioma, lung cancer, and asbestosis. It can be unsafe to live in a house that contains asbestos. Before buying a house, it is crucial to understand whether it contains asbestos. In most of the United States, home sellers are required to disclose any major defects to buyers. Most state laws require sellers to make formal property disclosures covering major home components, systems, and conditions, including whether a home contains asbestos.