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Natural hazards · Duvall

Duvall, WA natural hazards

Most of the natural-hazard damage FEMA expects in Duvall comes from earthquakes, and overall the risk is high for a U.S. community. Flood insurance has paid 2 claims here since 2006. 9 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Duvall?

66
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Duvall to be higher than in 66% of U.S. communities, mostly from earthquakes and inland flooding.

Earthquakes50%Inland flooding46%Everything else4%
By hazard

What Duvall faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Earthquakes

50% of expected damage
Well above average · higher than 88% of U.S. places

Inland flooding

46% of expected damage
Above average · higher than 58% of U.S. places
Recorded about once every 4 years in the area

Lower here

TornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightningDroughtVolcanic activity

Not a risk here

Coastal floodingHurricanesAvalanchesTsunamis
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Duvall flood?

Every paid claim on a federal flood insurance policy in Duvall, from FEMA’s records.

2paid claims since 2006
$21Kpaid to owners
1homes flooded more than once
20062026

Biggest named events

  • Torrential rain: 1 claim, $19K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Duvall isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: King County.

What’s been done with FEMA grants

4homes raised above flood level
1flood-prone properties bought out and cleared
Disasters that hit Duvall

9 federal disasters brought FEMA money here

Disasters the President declared that paid out in Duvall itself: aid to households, or repair grants to the City of Duvall.

Brought FEMA money into DuvallDeclared for King County only
2025

Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides

9 households applied for aid $38K aid approved
2020

Severe Storms, Flooding, Landslides, and Mudslides

$11K to the City of Duvall for repairs
2017

Severe Winter Storms, Flooding, Landslides, Mudslides

$12K to the City of Duvall for repairs
2012

Severe Winter Storm, Flooding, Landslides, and Mudslides

$47K to the City of Duvall for repairs
2009

Severe Winter Storm, Landslides, Mudslides, and Flooding

19 households applied for aid $15K aid approved $7K to the City of Duvall for repairs
2008

Severe Winter Storm and Record and Near Record Snow

$19K to the City of Duvall for repairs
2007

Severe Storms, Flooding, Landslides, and Mudslides

1 household applied for aid $18K to the City of Duvall for repairs
2006

Severe Winter Storm, Landslides, and Mudslides

$49K to the City of Duvall for repairs
2006

Severe Storms, Flooding, Landslides, and Mudslides

12 households applied for aid $3K aid approved $7K to the City of Duvall for repairs
King County has had 30 natural disasters declared since 1953, most often floods and severe storms.
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Duvall is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Duvall’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Duvall. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

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