VetTheHome/King County Data/Seismic / liquefaction
King County · original aggregate data

Liquefaction-hazard homes in King County, by city

As of July 2026, 6.7% of homes — about 41,624 of the 616,970 on record across the 44 King County cities VetTheHome tracks — are homes in a high liquefaction-susceptibility zone, per public records aggregated by VetTheHome.

Updated July 2026 · refreshed nightly

Share of homes in a high liquefaction-susceptibility zone. By city.

#CityHomes on recordHigh liquefaction zone
1Algona1,17390%
2Pacific1,92687%
3Baring28085%
4North Bend6,25070%
5Enumclaw8,99665%
6Skykomish51656%
7Snoqualmie Pass10249%
8Fall City2,08642%
9Carnation3,33538%
10Auburn28,70225%
11Hunts Point19223%
12Tukwila5,15121%
13Snoqualmie5,44818%
14Issaquah12,52712%
15Lake Forest Park4,9106.1%
16Renton39,5376.0%
17Kent34,5445.7%
18Ravensdale1,5274.7%
19Yarrow Point4353.9%
20Seattle205,0533.5%
21Maple Valley13,1713.4%
22Kenmore7,4282.9%
23Vashon6,2932.5%
24Bellevue36,0742.5%
25Mercer Island8,0832.1%
26Medina1,2641.9%
27Sammamish21,2491.8%
28Bothell7,3111.8%
29Duvall5,0721.4%
30Woodinville11,1071.2%
31Kirkland25,0401.1%
32Shoreline17,2880.6%
33Burien14,2050.5%
34Des Moines8,6090.4%
35Redmond23,1970.4%
36Normandy Park2,5480.2%
37Seatac6,4230.2%
38Federal Way23,4160.0%
39Beaux Arts1200.0%
40Black Diamond3,9190.0%
41Clyde Hill1,1420.0%
42Covington7,2580.0%
43Newcastle3,9350.0%
44Preston1280.0%

Sources: Washington State DNR geologic-hazard mapping. Compiled and refreshed nightly by VetTheHome. Aggregate covers the 44 King County cities in our dataset; see the full methodology.

What this means for buyers

In a strong earthquake, saturated soils in high-susceptibility zones can temporarily behave like a liquid, amplifying damage to foundations. It is a mapped soil condition, not a defect in any specific home.

Check any King County address

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About this data

These are aggregate figures compiled from Washington public records for general information — estimates and counts, not appraisals, inspections, or legal advice. The county roll-up covers the cities in our dataset and excludes unincorporated areas; individual parcels are reported at the address level. Public records contain errors — found one? Email corrections@vetthehome.com.