Climate risk in Charleston, South Carolina.
Sea-level rise, tidal flooding, hurricane surge.
Charleston is one of the most sea-level-rise-exposed major US cities. Tidal flooding is already a weekly event in low-lying neighborhoods; hurricane surge is the acute risk. Historic downtown has ongoing flood-mitigation work.
Peril breakdown
Sea-level-rise-driven tidal flooding; hurricane surge; rainfall flooding on flat terrain.
Not meaningful.
Sustained hurricane wind exposure.
Rising humidity + heat drives health risk.
Local rate among highest on East Coast.
Insurability
Coastal SC market is tightening. Flood coverage via NFIP or private is essential. Post-loss non-renewals are common.
20-year outlook
20-year outlook shows continued sea-level rise, more tidal flooding days, and rising hurricane intensity.
If you're buying in Charleston
Check tidal flood history for the block, not just the FEMA zone. Prioritize elevation, hurricane straps, impact glass.
Related reading: buying in a climate-safe area, questions to ask before buying, home insurance and climate change.
Score your exact address in Charleston.
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