Photo courtesy of South King Fire and Rescue

Photo courtesy of South King Fire and Rescue

Study finds drastic increase in WA properties deemed at-risk of flooding

Analyst suggests climate change is responsible for increased flood risks.

More than 362,612 properties are now at risk of flooding in Washington — a 198 percent increase over previous estimates and the 8th largest increase of all the states in the nation, according to an analysis from the online insurance marketplace QuoteWizard.

“The increase in the number of at-risk properties is directly related to climate change. Many of the maps FEMA currently uses to assess flood risk are five, 10 or 15 years old and no longer take into account the realities of our changing climate,” said Nick VinZant, senior research analyst and insurance expert at QuoteWizard.

Washington ranks third in the nation when looking at the total number of additional “at-risk” properties with over 240,000 since the last estimate. Analysts found that the number of flood-prone properties nationwide is actually 67 percent higher than previously estimated. That adds up to 5,866,497 additional properties that are at risk of flooding, according to their data.

The massive increase in the number of flood-prone properties is even more pronounced when looked at state by state. QuoteWizard analysts found 23 states with a 100 percent or more increase in the number of at-risk properties.

“It’s hard to overstate how big of a change this could be. We are talking about millions of more flood-prone properties and changes to flood insurance regulations that could lead to people paying several times more for flood insurance than they currently do now,” VinZant said.

Between 1996 and 2016, the National Flood Insurance Program paid out over $42 billion in claims. States like Washington recorded over $160 million in flood losses paid, while states like New York, Louisiana, Texas, New Jersey, Mississippi and Florida respectively recorded billions of dollars in losses each.

QuoteWizard said their data for the analysis was sourced exclusively through government agencies. The rate and loss data came from FEMA, and the demographic data from the U.S. Census Bureau.




Talk to us

Please share your story tips by emailing editor@kentreporter.com.

To share your opinion for publication, submit a letter through our website https://www.kentreporter.com/submit-letter/. Include your name, address and daytime phone number. (We’ll only publish your name and hometown.) Please keep letters to 300 words or less.

More in Northwest

The mudslide happened on SR-169 the evening of Tuesday, Dec. 16, and one lane remains closed at Renton Public Works crews work on the scene. Image courtesy of the City of Renton.
Maple Valley Highway near I-405 partially closed due to mudslide

The westbound lane on Maple Valley Highway/SR-169 is closed east of the Renton Community Center.

Courtesy Photo, Renton Police
Renton teen pleads guilty to 2024 fatal shooting

The 17-year-old boy pleaded guilty to a manslaughter incident where he accidentally shot his friend.

A breach in the Desimone levee Dec. 15 along the Green River in Tukwila. COURTESY SCREENSHOT/Video, King County Sheriff’s Office
Army Corps assists King County with Green River levee breach

Reduces water flow from Hanson Dam; provides personnel support; super sacks

Flood waters flow over NE 124th Street at West Snoqualmie Valley Road NE outside Duvall, Dec. 9, 2025. (Grace Gorenflo/Sound Publishing)
Carnation, Duvall isolated due to flood waters

The two towns are at risk of becoming “islands” during flooding.

Jones Road near Cedar River has water of the roadway and filling people’s homes from the record-breaking flood. Photo by Bailey Jo Josie/Sound Publishing.
Major Cedar River flooding in Renton beats 1990 record

Residents of the Maplewood neighborhood near SR 169 put up sandbags

Floodwater from the Snohomish River partially covers a flood water sign on Thursday, Dec. 11, 2025 in Snohomish, Washington. (Sound Publishing photo)
Feds approve WA emergency declaration for record flooding

As rivers began to recede, the federal government on Dec. 12 approved… Continue reading

Courtesy Photo, WSP
Man could face vehicular homicide charge after Auburn SR 167 crash

Bonney Lake man, 29, dies in Dec. 11 collision with semi

t
Drone helps Auburn officer arrest man on a roof

The man is accused of breaking items in a home and and fleeing the scene.

Wild Waves Theme Park is at 36201 Enchanted Pkwy. S., Federal Way. Courtesy photo
Wild Waves Theme Park in Federal Way to close in 2026

Attraction opened in 1977. Will close in November 2026

t
Renton officers arrest man accused of ramming police SUV

After police boxed in the car and he attempted to flee, he allegedly rammed police.

t
Renton Police searching for suspect who assaulted 12-year-old girl

The suspect is linked to a case in 2023 and 2009 through DNA.