Current Table

U.S. Storm Surge Risk, Gulf and Atlantic States, 2023
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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 Number of units
Category 1 1,278,734 40,032
Category 2 2,741,179 95,513
Category 3 4,445,280 158,792
Category 4 8,437,578 235,770
Category 5 7,557,343 261,432

(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.

Source: CoreLogic®, a property data and analytics company. May not be re-sold, republished or licensed to any other source without prior written permission from CoreLogic.

 

Archived Tables

U.S. Storm Surge Risk, Gulf and Atlantic States, 2019
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  Single-family residential homes at risk Multi-family residential homes at risk
Storm surge
risk level (1)
(Storm category)		 Number of units Reconstruction
cost value (2)
($ millions)		 Number of units Reconstruction
cost value (2)
($ millions)
Category 1 815,559 $197,609.50 23,804 $7,962.00
Category 2 2,546,272 632,257.00 84,631 30,989.60
Category 3 4,633,815 1,138,183.10 161,027 59,089.10
Category 4 6,158,577 1,511,320.60 229,411 87,379.20
Category 5 7,071,745 1,701,112.20 246,033 91,892.80

(1) 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.
(2) Represents the cost to completely rebuild including labor and materials by geographic location.

Source: CoreLogic®, a property data and analytics company.

 
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: CoreLogic®, a property data and analytics company.

 
U.S. Storm Surge Risk, Gulf and Atlantic States, 2021
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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 1,309,160 $327.55 41,662 $16.56
Category 2 2,754,989 701.93 94,101 39.14
Category 3 4,420,104 1,104.02 150,212 61.34
Category 4 6,462,072 1,611.27 221,920 92.54
Category 5 7,487,405 1,829.84 246,136 98.57

(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: CoreLogic®, a property data and analytics company. May not be re-sold, republished or licensed to any other source without prior written permission from CoreLogic.

 
U.S. Storm Surge Risk, Gulf and Atlantic States, 2022
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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 Number of units
Category 1 1,281,273 40,426
Category 2 2,741,505 94,745
Category 3 4,436,484 156,948
Category 4 6,419,157 234,200
Category 5 7,527,853 258,821

(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.

Source: CoreLogic®, a property data and analytics company. May not be re-sold, republished or licensed to any other source without prior written permission from CoreLogic.