From this Katrina survivor — Godspeed!

FWIW stilt homes like yours survived Katrina’s saltwater inundation here in Mississippi, only to collapse later due to corrosion of metal fasteners used to join floor joists to treated-wood pilings or even concrete pilings. You will have more immediate problems to deal with in the coming days and weeks, but tend to any kind of metal fasteners beneath your home exposed to saltwater — sooner than later.