U.S. Storm Surge Risk, Gulf and Atlantic States, 2020

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  Single-family residential homes potentially affected (1) Multi-family residential homes potentially affected (2)
Storm surge risk level (3) (Storm category) Number of units Reconstruction cost value (4) ($ billions) Number of units Reconstruction cost value (4) ($ billions)
Category 1 804,316 $195.10 24,924 $8.13
Category 2 2,546,714 631.48 87,139 31.71
Category 3 4,656,483 1,142.89 165,317 61.74
Category 4 6,198,017 1,520.88 236,221 90.83
Category 5 7,110,779 1,709.77 252,657 95.24
(1) Residential structures less than four stories, including mobile homes, duplexes, manufactured homes and cabins. (2) Apartments, condominiums and multi-unit dwellings. (3) The risk categories are cumulative and increase in value from Category 1 to Category 5. Category 1 represents the higher risk of damage from a weak hurricane; Category 5 includes Categories 1 to 4 and the low risk of damage from a Category 5 hurricane. (4) Represents the cost to completely rebuild including labor and materials by geographic location. Source: CoreLogicĀ®, a property data and analytics company.