Auburn, WA property records
As of November 2026, Auburn, WA has 28,077 parcels on record, with a median assessed value of $594,000 and a median year built of 1982, compiled from King County assessor, treasurer, permit, FEMA, and DNR records aggregated by VetTheHome. As of November 2026, 199 of those 28,077 parcels (0.7%) sit within a FEMA Special Flood Hazard Area, per King County GIS and FEMA flood records aggregated by VetTheHome.
Updated November 2026 · refreshed weekly
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Auburn by the numbers
Computed 11/9/2026 from county assessor, treasurer, permit, FEMA, and DNR records.
What the public records show
In the 12 months through November 2026, 968 properties in Auburn changed hands at a median recorded sale price of $640,000, and 7 building permits were filed, per King County records. As of November 2026, 8,297 parcels in Auburn (30%) rely on on-site septic systems rather than municipal sewer, per King County parcel records aggregated by VetTheHome. 7,822 (28%) of parcels in Auburn sit in high liquefaction-susceptibility zones mapped by the Washington State DNR. As of November 2026, 499 parcels in Auburn carried an unpaid property-tax balance with the King County Treasurer, per records aggregated by VetTheHome. As of November 2026, 13 homes in Auburn were resold within 12 months of a prior arms-length sale at a median gross price change of +45.6% between the two sales, per King County sales records aggregated by VetTheHome — local flip context, not a reliable rate given the small count (gross price change is a price difference, not profit, and excludes renovation and holding costs). Every figure here is compiled from public records and refreshed weekly; search any Auburn address below for parcel-level permit history, tax breakdown, flood and seismic hazards, and septic status.
More Washington cities
Explore aggregate King County property data by city — flood, septic, permits, taxes and more.