Here is a picture of a crawl space flooded. This will cause you problems under your homes. That moisture that is under there has to go somewhere. Yes your floor joist, your header and plate , center seal and any other things you can think of under there get wet. What happens to wood when it gets wet. It rots and gets weaker. Termites would have a field day in that. Our get exterminators are here to help you with any of your pest control services and termite control treatments you will be needing from what this is causing for you. This also a great habitat for many bugs and rodents. We can install you a pump under your house to get that out as soon as it gets under there.