radon crawl space cost 3

https://theradonmitigationpricestore.birchreport.com/posts/understanding-radon-mitigation-price-in-st.-louis-what-homeowners-should-expect

The cost of radon mitigation in a crawl space can vary based on soil type and foundation design, typically ranging from $800 to $2,500 for a sub-slab depressurization system, but if your crawl space is unfinished and tight, you might need a membrane or additional sealing, which adds to the expense.