Charleston is built on water. The peninsula sits between the Cooper and Ashley rivers, and some of its streets flood at high tide even on dry, sunny days. Many peninsula homes are old wood-frame single houses or brick and masonry buildings.
Plaster walls, heart-pine floors and thick masonry hold water for a long time. Inside the historic districts, the city's Board of Architectural Review can have a say about changes to the outside of a building, so a rebuild may need extra time.
Across the rivers, Mount Pleasant, James Island and West Ashley have many homes on or near the marsh. Summerville and North Charleston sit inland, with newer subdivisions, apartments and industrial buildings.
Hurricane season runs June through November, and hot, wet afternoons mean a small leak can turn into mold within days.