Savannah, GA

Savannah's flood score of 88 sits at the 95th national percentile—a number that reflects tidal geography as much as storm risk. The historic peninsula's drainage operates on tidal cycles, meaning flooding is not exclusively a named-storm event: king tide and heavy rain combinations produce routine street and property inundation in 29401, independent of hurricane season. Hurricane Matthew's 2016 tidal flooding reinforced this pattern; the 2023 king tide and rain flooding season added recurring evidence that the baseline exposure is persistent, not episodic. We checked twice: Wilmington Island's 31410 consistently underwrites differently from mainland Savannah—island addresses face higher flood and wind sensitivity, and annual premiums for island properties sit well above the city-wide range of $2,200 to $5,800. Historic homes in 31401 carry additional maintenance and retrofit complexity: preservation constraints can limit practical flood-proofing options in ways that buyers focused on aesthetics do not initially price. Eastside approach in 31404 sees marsh exposure rise quickly, with drainage patterns changing block to block. Hurricane exposure at the 92nd national percentile—high band—reflects that the Savannah area sits directly within the Atlantic hurricane track corridor. Hugo's 1989 impact on the broader Carolina-Georgia coast established the regional wind benchmark. Heat at the 78th national percentile adds operating pressure: long humid summers and post-storm outage duration create livability constraints that insurance settlements do not fully address. Savannah's appeal is real. So is the infrastructure cost of maintaining property in a marsh-and-tide city where routine flooding occurs on a calendar, not an event basis. That carrying cost belongs in every buyer model.

— Open Data Collective