Bothell, WA property records
As of September 2026, Bothell, WA has 7,213 parcels on record, with a median assessed value of $1,094,000 and a median year built of 1986, compiled from King County assessor, treasurer, permit, FEMA, and DNR records aggregated by VetTheHome. As of September 2026, 2 of those 7,213 parcels (0.0%) sit within a FEMA Special Flood Hazard Area, per King County GIS and FEMA flood records aggregated by VetTheHome.
Updated September 2026 · refreshed weekly
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Bothell by the numbers
Computed 9/7/2026 from county assessor, treasurer, permit, FEMA, and DNR records.
What the public records show
In the 12 months through September 2026, 208 properties in Bothell changed hands at a median recorded sale price of $1,107,500, and 2 building permits were filed, per King County records. As of September 2026, 271 parcels in Bothell (3.8%) rely on on-site septic systems rather than municipal sewer, per King County parcel records aggregated by VetTheHome. 172 (2.4%) of parcels in Bothell sit in high liquefaction-susceptibility zones mapped by the Washington State DNR. As of September 2026, 127 parcels in Bothell carried an unpaid property-tax balance with the King County Treasurer, per records aggregated by VetTheHome. Every figure here is compiled from public records and refreshed weekly; search any Bothell address below for parcel-level permit history, tax breakdown, flood and seismic hazards, and septic status.
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Explore aggregate King County property data by city — flood, septic, permits, taxes and more.