Build yourself a fortress! Depending on your location and nearest Port to you. And make sure it’s off the ground 1 or 2 ft. Or use hollow block or pillers and anchor it down. There are no blueprint you have to do your own plans to pass city or county.
Bathroom shower, toilet and washbasin. Add 3 bedroom or up to 5 bedrooms. Have your contractor and crew ready to put these together. Live on 2 and 3rd floor as water passes by! This is very good in area of storm high flooding area!