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Pierce County, Washington

Natural disaster risk, federal disaster history and flood insurance facts.

Relatively High overall risk
2nd of 39highest risk in Washington
$532Mexpected losses a year
24federal declarations
1 in 143homes with flood insurance
Photo: Spicypepper999, CC0

Pierce County, Washington has a relatively high overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 98% of US counties. It ranks 2nd of 39 counties in Washington. The costliest hazards here are earthquakes, inland flooding and heat waves. FEMA estimates about $532 million a year in expected losses, or roughly $578 per resident. Since 1964 it has been included in 24 federal disaster or emergency declarations for natural events (21 major disasters). The most recent was in April 2026 (severe storms, straight-line winds, flooding, landslides and mudslides). Fewer than 1 in 100 homes here carry federal flood insurance (2,101 policies). Since 1978, federal flood insurance has paid about $26 million on 1,106 claims here, including $8.0 million for floods in 2009.

FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.

Top risks in Pierce County

$364 million a yearExpected losses. Damaging events about once every 25 years.
  • Ask whether an older house is bolted to its foundation.
  • Consider separate earthquake insurance where risk is high.
$122 million a yearExpected losses. Damaging events about once every 9 years.
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.
$13.5 million a yearExpected losses. Damaging events about 4 times a year.
  • Check that cooling works before summer.
  • Know where the nearest cooling center is.
HazardRatingScoreExpected loss a year
EarthquakeHigh99.6
$364M
Inland floodingHigh96.2
$122M
Heat waveHigh97.3
$14M
Cold waveHigh90.6
$10M
AvalancheVery High98.4
$9M
Volcanic activityHigh99.3
$7M
Coastal floodingModerate71.4
$1M
LightningHigh89.9
$1M
TsunamiLow49.2
$1M
TornadoLow41.2
$1M
Ice stormHigh84.4
$727K
Strong windLow41.8
$544K
WildfireLow76.8
$386K
LandslideModerate97.0
$366K
Winter weatherModerate84.4
$332K
HailVery Low16.3
$71K
DroughtVery Low12.8
$11

Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is very low and community resilience is relatively high in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

Federal declarations for natural events that included Pierce County. 2020s bar runs to November 2026.

By type

Flood11
Severe Storm8
Earthquake2
Volcanic Eruption1
Coastal Storm1
Fire1

Most recent

Apr 7, 2026Severe Storms, Straight-Line Winds, Flooding, Landslides, and MudslidesMajor disaster
Dec 12, 2025Severe Storms, Straight-Line Winds, Flooding, Landslides, and MudslidesEmergency
Sep 9, 2020Sumner Grade FireFire management
Mar 5, 2012Severe Winter Storm, Flooding, Landslides, and MudslidesMajor disaster
Mar 2, 2009Severe Winter Storm and Record and Near Record SnowMajor disaster
Jan 30, 2009Severe Winter Storm, Landslides, Mudslides, and FloodingMajor disaster
Feb 14, 2007Severe Winter Storm, Landslides, and MudslidesMajor disaster
Dec 12, 2006Severe Storms, Flooding, Landslides, and MudslidesMajor disaster
Sep 7, 2005Hurricane Katrina EvacuationEmergency
Nov 7, 2003Severe Storms and FloodingMajor disaster
Show all 24
Mar 1, 2001EarthquakeMajor disaster
Jan 17, 1997Severe Winter Storms, Land & Muds Slides,FloodingMajor disaster
Feb 9, 1996High Winds, Severe Storms and FloodingMajor disaster
Jan 3, 1996Severe Storms, High Wind, and FloodingMajor disaster
Mar 4, 1993Severe Storms & High WindMajor disaster
Mar 8, 1991Severe Storms & High TidesMajor disaster
Nov 26, 1990Severe Storms & FloodingMajor disaster
Jan 18, 1990Severe Storms & FloodingMajor disaster
Dec 15, 1986Severe Storms & FloodingMajor disaster
May 21, 1980Volcanic Eruption, Mt. St. HelensMajor disaster
Dec 10, 1977Severe Storms,Mudslides, & FloodingMajor disaster
Mar 24, 1972Heavy Rains & FloodingMajor disaster
May 11, 1965EarthquakeMajor disaster
Dec 29, 1964Heavy Rains & FloodingMajor disaster

Washington also had 51 statewide declarations that did not name single counties.

Storm history since 1978

Tornado risk by county ›

The National Weather Service has logged 31 storm reports in Pierce County since 1978, with 0 deaths and 2 injuries and about $49.5 million in reported damage. The strongest on record here was an EF1 tornado on September 6, 2009 near Bonney Lake.

9tornadoes
1hail reports, largest 0.88 inches
2damaging thunderstorm winds
3floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Sep 6, 2009EF1Bonney Lake0 / 0
May 31, 1997F1Tacoma0 / 0
Jun 27, 2001F1Bonney Lake0 / 0
Sep 30, 2013EF1Frederickson0 / 0
Jan 18, 2015EF1Gig Harbor0 / 0

Most damaging storms

DateTypeNearDamage
Nov 4, 2006Heavy RainParadise Inn$36M
Jan 7, 2009FloodFife$9M
Nov 4, 2006FloodFairfax$2M
Oct 20, 2003Heavy RainCountywide$800K
Nov 12, 2008Heavy RainSouth Prairie$800K
Sep 29, 2005Heavy RainParadise Inn$200K

Source: NOAA Storm Events Database, county-based reports through Mar 16, 2017. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.

Flood insurance in Pierce County

Check your address flood zone ›
0.7%of homes have federal flood insurance (2,101 policies)
43.7%of homes in mapped high-risk flood zones are insured
$26 millionpaid on 1,106 flood claims since 1978
2009costliest year, with $8 million paid

National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.

Homes in Pierce County

$526,600median home value (Washington $564,600, US $332,700)
1986median year homes were built (Washington 1985, US 1980)
42%of homes built before 1980, before many modern wind, quake and flood building rules
4.5%of homes are mobile homes, which are the least safe in tornadoes and high winds

Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 369,709 housing units.

Compare in Washington

All 39 ›
Largest countiesOverall riskTop hazard
King CountyVery HighEarthquake
Pierce CountyHighEarthquake
Snohomish CountyHighEarthquake
Spokane CountyModerateInland flooding
Clark CountyModerateInland flooding
Thurston CountyHighEarthquake
Kitsap CountyModerateEarthquake
Yakima CountyModerateInland flooding

Neighboring counties

CountyOverall riskDeclarations
King CountyVery High33
Thurston CountyHigh28
Kitsap CountyModerate14
Yakima CountyModerate37
Lewis CountyModerate35
Mason CountyModerate30

Common questions about Pierce County

What is the biggest natural hazard in Pierce County?

Earthquake has the highest expected yearly losses in Pierce County, about $364 million a year in FEMA's estimate. Inland flooding is second at $122 million.

How many federal disasters has Pierce County had?

Pierce County has been included in 24 federal disaster or emergency declarations for natural events since 1964, including 21 major disasters. The most recent was Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides in April 2026.

Is Pierce County a high-risk place to live?

Its overall rating is Relatively High, 2nd highest of 39 in Washington. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.

Do I need flood insurance in Pierce County?

Standard home insurance does not cover flooding. About 1 in 143 homes in Pierce County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.

How many tornadoes has Pierce County had?

NOAA records list 9 tornadoes in Pierce County since 1950. The strongest was an EF1 tornado on September 6, 2009 near Bonney Lake. The weather service has also logged 1 hail reports and 3 floods here.

Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.