Home / Auctions / Washington / King County / September 9, 2026

King County, Washington Delinquent Tax List 2026

King County, Washington Tax Sale 2026: 131 parcels published by the county for this sale.

King County, Washington has confirmed a deed sale for September 9, 2026.

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King County delinquent list: 19 parcels published

Source: RealAuction (king.wa.realforeclose.com) RealForeclose- King County County, sale of 09/23/2026, retrieved 2026-09-22

A sample of what the county has published for this sale. The full list, with map, filters, CSV export and a property report on any parcel, is in the member research view.

Years tracked: 2026 (1 list). 2026: 131 parcels. Each year's King County list is kept as published, so a parcel that appears again next year can be traced back.

ParcelOpening bidAssessed valueSale date
8807810290$29,125$392,0002026-09-23
0121059036$16,907$201,0002026-09-23
0185000051$12,187$165,0002026-09-23
7359600625$11,476$106,4002026-09-23
3022079006$10,384$116,0002026-09-23
0923049190$8,209$88,0002026-09-23
1423069142$7,583$37,0002026-09-23
3623069043$7,396$34,0002026-09-23

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StatusConfirmed
Next possible dateSeptember 9, 2026
Property listPosted by official source (see link below)
Sale typeTax deed
PlatformKing County Treasury (RealAuction)
Last verified2026-07-15

131 parcels tracked for King County right now

131 foreclosures. Opening bids run $3,477 to $119,424. Pro members research each parcel before the sale: a property report with the assessed value, the owner of record, liens on title and the county's own data, 25 reports a month, plus alerts the day King County changes this date.

King County at a glance

TaxLienSimple Index
51/100
Tier C
Median home value
$761,500
US Census ACS
Median gross rent
$1,950/mo
US Census ACS
Vacancy rate
5.8%
56.2% owner-occupied
Population
2,254,371
+6.4% over 5 years
Median real-estate taxes
$6,476/yr
US Census ACS

Foreclosure and sheriff sale activity in King County

19 foreclosure parcels currently published, next listed sale date 2026-09-23 (source: RealAuction (king.wa.realforeclose.com) RealForeclose- King County County, sale of 09/23/2026). These run on a separate calendar from the tax sale above; the member research view lists them alongside the tax parcels.

Figures above are drawn from TaxLienSimple's tracked inventory, the county competition model and US Census ACS data; see how we verify.

This is one tracked sale cycle. For King County's recurring cadence, platform, legal structure, and other tracked cycles, see the King County tax sale hub.

What this page shows: a specific sale date King County's own official source has published. It is not a confirmed listing of which properties will be offered that date — always check the official property list. Always confirm directly with the official source below before making plans.

Confirmed sale date: September 9, 2026

Time: Not yet posted (King County posts bidding/opening-bid details mid-to-late August).

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Property list

Sale type
deed
Auction platform
King County Treasury (RealAuction)
Bidding method
Online ascending auction via RealAuction (king.wa.realforeclose.com); minimum bid = full taxes, interest, and costs.
Statutory maximum rate
Deed sale -- no lien certificate (Washington is not a lien state, RCW 84.64).
Redemption period
General owners have NO redemption after the sale -- must redeem before the close of business the day before the sale (RCW 84.64.070). Minors/legally-incompetent persons may redeem within 3 years.
Deposit requirement
Set on RealAuction; 2026 amount not yet posted.

Registration deadline

Through RealAuction; 2026 registration deadline not yet posted (details posted mid-to-late August 2026).

Statutory basis

RCW 84.64

The county Treasurer forecloses on property 3+ years delinquent and sells it at an annual deed auction (minimum bid = taxes owed). General owners have no redemption after the sale; a narrow exception gives minors/legally-incompetent persons up to 3 years.

King County tax sale — FAQ

When is the next King County, Washington tax sale?

The next King County, Washington tax sale is September 9, 2026, a specific date published by the county's own official source — not a guaranteed list of which properties will be offered that day.

What platform does the King County tax sale use?

King County, Washington runs its deed sale via King County Treasury (RealAuction). Online ascending auction via RealAuction (king.wa.realforeclose.com); minimum bid = full taxes, interest, and costs.

What is the redemption period and rate in King County, Washington?

General owners have NO redemption after the sale -- must redeem before the close of business the day before the sale (RCW 84.64.070). Minors/legally-incompetent persons may redeem within 3 years. Rate/premium: Deed sale -- no lien certificate (Washington is not a lien state, RCW 84.64).

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