Taxes & Insurance in Auburn
Auburn applies Washington's no-income-tax structure alongside a genuinely high combined sales tax rate and a property tax rate that depends on which side of the King/Pierce county line a specific address falls on.
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Learn moreNo state income tax, offset by a real capital gains excise tax
Washington has no state individual income tax, but a real, current statewide capital gains excise tax (7% on gains up to $1M, 9.9% above) applies to Auburn residents -- though genuinely less relevant given Auburn's more modest median household income relative to Eastside markets in this dataset.
A genuinely high combined sales tax rate
Auburn's minimum combined 2026 sales tax rate is cited at both 10.4% and 10.5% across sources -- both disclosed rather than reconciled to one figure.
Property tax: King County for most of the city, Pierce County for Lakeland Hills
King County's countywide average effective property tax rate (~0.83%) applies to most of Auburn, including downtown and the Boeing fabrication plant. The small Pierce-County-side portion of the city (part of the Lakeland Hills community, at Auburn's southern end) would instead see Pierce County's higher ~0.94% rate -- confirm a target property's actual county directly.
Insurance: an inland King/Pierce County profile
As an inland south King County/Kent Valley city, Auburn does not carry direct Puget Sound waterfront insurance exposure, unlike this build's own companion Edmonds record.
Key takeaways
- Washington's no state income tax is offset by a real, current statewide capital gains excise tax, though less relevant to Auburn's income profile.
- Auburn's combined sales tax rate runs 10.4%-10.5% depending on source.
- Property tax depends on whether a specific address sits in King County (~0.83%) or Pierce County (~0.94%, Lakeland Hills area).
- Auburn's inland position means no direct Puget Sound waterfront insurance exposure.
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