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Jefferson County, Washington Flood Zones

Check an Address in Jefferson County

Enter any address in Jefferson County, Washington to see its FEMA flood zone

Read First-Hand Flood Stories from Jefferson County

4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

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Flood Risk Data for Jefferson County

Jefferson County, Washington has recorded 8 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 29 federal disaster declarations, 11 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Jefferson County Disaster History

FEMA Disaster Declarations (1979–2025)

Disaster Declarations
29
Flood/Coastal Disasters
11
Latest Disaster
Severe Storms, Straight-line Winds, Flooding, Landslides, And Mudslides (2025-12-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Jefferson County

DeclarationTypeDate
Severe Storms, Straight-line Winds, Flooding, Landslides, And MudslidesFloodDec 9, 2025
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormJan 5, 2024
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormNov 3, 2022
Severe Winter Storms, Snowstorms, Straight-line Winds, FloodinFloodDec 26, 2021
Severe Storms, Straight-line Winds, Flooding, Landslides, And MudslidesFloodNov 5, 2021
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormDec 29, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, Mudslides, TornadoSevere StormDec 10, 2018
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, Mudslides, And A TFloodDec 1, 2015

Recorded Flood Events in Jefferson County

NOAA Storm Events Database (1996–2025)

Total Flood Events
8
River/Area Floods
4
Coastal/Storm Surge
4
Total Property Damage
$1.4M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Jefferson County

TypeDateDamage
Coastal FloodNov 13, 20240.00K
FloodJan 12, 2021554.00K
FloodNov 14, 2015200.00K
FloodFeb 6, 201550.00K
FloodDec 10, 2014300.00K
Storm Surge/TideJan 26, 2012
Coastal FloodDec 17, 20122.00K
Coastal FloodDec 17, 2012250.00K

Jefferson County Flood History

Coastal Flood — Nov 13, 2024

A combination of low atmospheric pressure and high astronomical tide produced minor to moderate coastal flooding on the Washington coast and in south Puget Sound.

Flood — Jan 12, 2021

The period from January 10 to 16 continued a pattern of a strong and persistent Aleutian Low pressure system in the eastern Pacific that began December 29, 2020 and which directed the jet stream and primary storm track at Washington State. This resulted in a series of atmospheric rivers and wind storms that battered Washington State. Water vapor transport into Washington State averaged 160-200...

Flood — Nov 14, 2015

The Elwha River flexed its new muscles during the most recent round of storms and severely damaged Olympic Hot Springs Road and effectively buried a campground in silt.|The river rose to 23.19 feet, major flood, on Nov. 17 during a heavy rainstorm that produced 5.6 inches of rain on that date in the Elwha watershed.|When the water receded, Olympic National Park officials discovered the water ha...

Flood — Feb 6, 2015

Floodwater from the Duckabush River has inundated a number of homes on Kelly Road in Brinnon. At one point, the Duckabush River was five feet higher than normal. Friday afternoon it started to recede.||Highway 101 along Hood Canal has received the brunt of the rainfall over the last 24 hours. A weather station at Green Mountain Elementary School recorded over 4.5 inches of rain near Bremerton ...

Flood — Dec 10, 2014

Flooding near Brinnon on the Duckabush river caused damage. ||Both Fire District 2 (Quilcene Fire Rescue) and Fire District 4 (Brinnon Fire Department) conducted multiple rescues of flood-stranded residents and carried out emergency sandbagging operations at several locations. At one point a joint agency swift water rescue team was dispatched to assist with the rescue of a family trapped in ris...

Source: NOAA National Weather Service Storm Events Database.

Jefferson County NFIP Flood Insurance Claims

Total Claims Filed
43
Total Paid Out
$572,804
Avg Claim
$19,751
Avg Water Depth
3.5 ft

Claims by Flood Zone

A Zones (High Risk)
28
V Zones (Coastal)
1
X Unshaded (Low)
3

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Jefferson County

FEMA assigns flood zone designations to areas in Jefferson County, Washington:

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.

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Flood Insurance in Jefferson County

Properties in Jefferson County, Washington 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.