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

Liquefaction-hazard homes in King County, by city

As of September 2026, 7.8% of homes — about 47,102 of the 607,268 on record across the 45 King County cities VetTheHome tracks — are homes in a high liquefaction-susceptibility zone, per public records aggregated by VetTheHome.

Updated September 2026 · refreshed weekly

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

#CityHomes on recordHigh liquefaction zone
1Algona1,21499%
2Baring25195%
3Pacific1,99194%
4North Bend6,19377%
5Enumclaw8,44073%
6Skykomish53770%
7Snoqualmie Pass10150%
8Fall City1,90646%
9Carnation3,12243%
10Auburn28,07228%
11Tukwila5,30226%
12Hunts Point19625%
13Snoqualmie5,45022%
14Issaquah12,35414%
15Kent34,1987.4%
16Renton39,2737.2%
17Lake Forest Park5,0526.4%
18Ravensdale1,4075.2%
19Yarrow Point4374.8%
20Seattle198,8654.3%
21Kenmore7,5403.7%
22Maple Valley12,8953.5%
23Vashon5,4382.9%
24Bellevue34,4712.7%
25Bothell7,2132.4%
26Mercer Island7,8572.3%
27Sammamish21,6112.3%
28Medina1,2562.1%
29Duvall5,1741.6%
30Woodinville10,9311.4%
31Kirkland24,7161.3%
32Shoreline17,4600.6%
33Burien14,5420.5%
34Des Moines8,7680.4%
35Redmond22,9040.4%
36Normandy Park2,5480.2%
37Seatac6,5700.2%
38Newcastle4,0190.1%
39Federal Way23,5190.0%
40Beaux Arts1220.0%
41Black Diamond4,2730.0%
42Clyde Hill1,1360.0%
43Covington7,3730.0%
44Milton4510.0%
45Preston1200.0%

Sources: Washington State DNR geologic-hazard mapping. Compiled and refreshed weekly by VetTheHome. Aggregate covers the 45 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.