"I own a company that offers a service for sealing and waterproofing crawl spaces. I thought there should be a way to divert ...

That is why crawl space encapsulations typically cost between $10,000 and $15,000, although the figure can climb well over $40,000 if the job is complex enough.

Considerations. There are a lot of potentially disastrous downsides to digging out your crawl space to create a basement you can then finish:. Cost: The total cost to dig out a crawl space and ...