The costs associated with radon mitigation can vary depending on several factors, including the size and design of the structure, the severity of radon levels, the chosen mitigation method, and the region or location. Generally, radon mitigation costs can range from a few hundred to a few thousand dollars. Simple mitigation systems, such as sub-slab depressurization, tend to be less expensive, while more complex systems, such as sub-membrane depressurization or crawl space mitigation, may incur higher costs. It's crucial to consult with certified radon mitigation professionals who can assess your specific needs and provide a detailed cost estimate. Although it is important to consider the costs involved, prioritizing the health and safety benefits of radon mitigation is crucial, as it can significantly reduce the risk of radon-related health issues.