Cornerstone Home Inspectors

Dark staining across the subfloor in a crawl space. First thing everybody thinks is mold.

Maybe. We don't test what it is, that's a lab's job. But staining like this almost always means the crawl space is holding too much moisture. Bad vent, a slow leak, groundwater, something.

Chasing the stain is backwards. You fix the water first, let it dry out, then deal with what's on the wood. Do it the other way and it comes right back.

Not the fun part of house shopping. Better found now than after you move the couch in.

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