FloodZoneMap.org

King County, Texas Flood Zones

Check an Address in King County

Enter any address in King County, Texas to see its FEMA flood zone

Flood Risk Data for King County

King County, Texas has recorded 5 flood-related events since 1996 according to NOAA's Storm Events Database, including 3 flash floods and 1 river or area floods. The county has received 17 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

King County Disaster History

FEMA Disaster Declarations (1993–2021)

Disaster Declarations
17
Hurricane Disasters
1
Latest Disaster
Severe Winter Storms (2021-02-11)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in King County

DeclarationTypeDate
Severe Winter StormSevere Ice StormFeb 11, 2021
Severe Winter StormsSevere Ice StormFeb 11, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormDec 26, 2015
Swenson FireFireApr 6, 2011
WildfiresFireApr 6, 2011
Eighty-two FireFireMar 14, 2008
WildfiresFireMar 14, 2008
Extreme Wildfire ThreatFireNov 27, 2005

Recorded Flood Events in King County

NOAA Storm Events Database (1996–2025)

Total Flood Events
5
River/Area Floods
1
Flash Floods
3
Hurricanes/Tropical Storms
1

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in King County

TypeDateDamage
Tropical DepressionAug 17, 20070.00K
Flash FloodOct 15, 20060.00K
FloodSep 18, 1996
Flash FloodSep 18, 1996

King County Flood History

Tropical Depression — Aug 17, 2007

Tropical Depression Erin, previously a tropical storm during landfall on the middle Texas coast early on the 16th, brought large amounts of rain to portions of west Texas. This rain fell primarily on the 17th and 18th of August on the South Plains and Rolling Plains before the system moved northeastward over Oklahoma. ||Erin maintained a defined circulation well after making landfall, and even ...

Flash Flood — Oct 15, 2006

A round of strong to severe thunderstorms and heavy rainfall impacted the west Texas South Plains region on the 15th. Heavy rainfall during the pre-dawn hours caused flash flooding in Garza County, where a vehicle became stranded in a flooded playa lake. Local authorities conducted a high water rescue to remove the driver, and no injuries were reported.|A severe storm affected Plainview (Hale C...

Flood — Sep 18, 1996

Severe storms and floods hit the Low Rolling Plains late on the 17th into the 18th. Golfball-size hail was reported west of Guthrie (by the King County Sheriff's Office) and by the public at Pitchfork Ranch just west of the Dickens-King County border. Weak, brief tornadoes were reported by sheriff's offices; one was 15 miles west of Guthrie, another was 4 miles southwest of Guthrie, and the o...

Source: NOAA National Weather Service Storm Events Database.

Texas Statewide Flood Insurance Data

Total NFIP Claims
393,539
Total Claims Paid
$17.3B

Flood Zone Types in King County

FEMA assigns flood zone designations to areas in King County, Texas:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in King County

Properties in King County, Texas that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.