King County, Washington Tax Delinquent Properties for Sale List
King County, WA has 1 tax-delinquent property on record. Get the official list from the County Treasurer, plus the tax sale and redemption rules.
Austin Beveridge
Tennessee
, Goliath Teammate
King County, Washington currently has 1 tax-delinquent property on record, along with active foreclosures, liens, and probate filings compiled from public records. If you are searching for the King County tax delinquent properties for sale list, this page gives you the live count, how to pull the official list from the County Treasurer, how Washington's tax sale and redemption process works, and the due diligence to run before you bid.
TL;DR
1 tax-delinquent property are currently on record in King County, WA, refreshed weekly from public records.
Plus additional distressed properties (foreclosures, liens, probate) shown in the live breakdown below.
How to pull the official King County tax-delinquent list, and how Washington's tax-sale + redemption process works, so you act on real, current numbers, not a generic explainer.
GoliathData currently tracks 1 tax-delinquent property in King County, WA, alongside the wider distressed-property picture below, data current as of July 13, 2026, refreshed weekly from public records:
Signal | Properties | As of |
|---|---|---|
Utility Lien | 45 | Jun 29 |
Trustee Sale | 27 | Jul 13 |
Lis Pendens | 23 | Jun 29 |
Lien | 5 | Jun 29 |
Probate | 5 | Jun 29 |
Federal Lien | 3 | Jul 6 |
State Lien | 3 | Jul 6 |
Notice Of Default | 2 | Apr 13 |
Preforeclosure | 2 | Jan 5 |
Preprobate | 2 | Jun 29 |
Source: GoliathData real-time county records. Refreshed weekly.
What these numbers mean for buyers and investors
King County, Washington shows a modest but meaningful opportunity pool for tax-delinquent property investors. The data reveals 1 active tax delinquency case as of the week of May 4, 2026. While this single case might seem small in isolation, it sits within a much larger distressed-property ecosystem that matters to serious buyers.
The broader picture includes 45 utility liens, 27 trustee sales in progress, 23 lis pendens filings, and significant numbers of federal and state liens. These signals collectively indicate that King County properties are under real financial stress. Utility liens often precede or accompany tax delinquency because they reflect unpaid basic services at a property, and trustee sales suggest active mortgage defaults moving toward foreclosure. The presence of 3 federal liens and 3 state liens underscores that distressed properties in this county sometimes carry multi-layered obligations beyond local taxes.
For investors, this environment creates both opportunity and caution. The relatively low count of active tax delinquencies (1) compared to the much larger universe of liens and default notices suggests that King County's tax collection system is effective, and that true tax-sale opportunities may be rare or move quickly. Competition among investors will likely be intense when properties do reach sale. The abundance of utility liens and lis pendens filings also means that thorough due diligence is non-negotiable: a property that looks attractive on paper may carry hidden liabilities or be nearly impossible to refinance.
King County's market strength and relatively robust tax collection mean that most distressed properties here resolve through foreclosure or voluntary sale before reaching a tax sale. This makes the few tax-delinquent properties that do surface highly sought after, and it requires buyers to act fast and verify title with exceptional care.
How to get the official King County tax-delinquent list
The County Treasurer is the authoritative source for King County's tax-delinquent property list. This office, not the assessor, manages delinquent tax collections and maintains the official roster of properties in tax default.
To obtain the current tax-delinquent list, contact the County Treasurer's office directly or visit their official website. Most Washington county treasurers publish delinquent-property lists online, often updated on a regular schedule. Request the most current tax delinquency roll or delinquent-property ledger; specify whether you want properties in the early stages of delinquency or those approaching or already scheduled for sale.
The County Treasurer can also provide information on upcoming tax-sale dates, redemption periods, and the specific steps required to bid on or purchase a delinquent property in King County. Because tax sales in Washington are governed by state law and county procedure, the Treasurer's office is your primary guide to timelines, opening bids, and any local quirks in the process.
Many investors also sign up for the County Treasurer's mailing list or email alerts so they receive notice of upcoming sales automatically. This is especially important in King County, where the low number of active delinquencies means that when a property does come to sale, it may sell quickly and without much public fanfare.
How Washington's tax sale and redemption process works
Washington State law gives property owners a structured path to cure delinquency before a tax sale occurs. Understanding this process is essential for investors because it determines when a property becomes available and what rights the owner retains even after a sale.
When property taxes go unpaid in Washington, the county treasurer begins a collection process. The owner receives notices of delinquency and is given an opportunity to pay the back taxes plus penalties and costs before any sale is scheduled. This cure period protects the owner and creates a window during which the property is known to be in default but not yet sold.
Once the cure period expires without payment, the property is advertised for sale. In Washington, tax sales are conducted by the county treasurer and typically held at a public venue, often online or in person depending on the county's procedures. The property is sold to the highest bidder, and the sale proceeds are applied first to taxes, penalties, and sale costs, with any remainder returned to the former owner.
Washington's redemption law is crucial: the former owner (or in some cases other parties with an interest) may have a right to reclaim the property after the sale by paying the sale price plus costs and interest within a specified period. The exact length of this redemption period depends on the county and the circumstances of the sale. You must confirm the redemption timeline with the County Treasurer for King County properties, because redemption periods vary and are a major factor in investment strategy. A property sold at tax auction in Washington may not be yours free and clear until the redemption period expires.
Investors must also be aware that senior liens, such as federal tax liens or first-position mortgage liens, are not always wiped out by a tax sale. The title you receive after a tax sale may be subject to other claims, which is why examining the property's lien history with the County Treasurer and title company is imperative.
Due diligence and risks
Buying a tax-delinquent property in King County requires meticulous investigation before you commit to a bid.
Start with a title search. Engage a title company to produce a comprehensive report of all liens, mortgages, judgments, and encumbrances on the property. Given King County's 45 utility liens, 5 property liens, 3 federal liens, and 3 state liens in the current data window, assume that a property coming to tax sale may carry multiple layers of debt. Some of these liens will be discharged from the tax-sale proceeds; others may survive and bind you as the new owner.
Verify the property's occupancy and condition. A tax-delinquent property may be vacant, may have an uncooperative tenant, or may require immediate repairs. Visit the site in person if possible. Request public records on code violations, permits, and any outstanding citations. The current data shows 1 code violation and 2 permit filings in King County, so check whether these apply to your target property.
Confirm the redemption period and remaining timeline with the County Treasurer. If you win a tax sale in Washington, the former owner may have months (or longer, depending on the county) to redeem and reclaim the property. This means your ownership is not absolute until redemption expires, and you should factor in holding costs and the risk of losing the property when calculating your bid.
Review any HOA or assessments. One HOA lien is currently recorded in King County, so ensure your target property is not subject to unpaid homeowners' association fees or special assessments that could attach to your ownership.
Lastly, confirm that the property is legally available for sale. The County Treasurer will verify that the property has been properly advertised and that no errors in the tax-sale process would invalidate your bid.
Frequently Asked Questions
How do I get the King County tax-delinquent property list?
Contact the County Treasurer directly or visit their official website. The County Treasurer publishes and maintains the official list of tax-delinquent properties and can tell you how the list is updated and whether it is available online or by request. Most Washington county treasurers also allow you to sign up for alerts about upcoming tax sales.
When is the next King County tax sale?
The County Treasurer sets the sale schedule and publishes dates for upcoming auctions. You must contact the County Treasurer or check their website for the current calendar of tax sales. Because King County has had only 1 active tax delinquency recorded in the data window, sales may be infrequent, and you should stay in close contact with the Treasurer's office or sign up for email notifications to avoid missing an opportunity.
What is the redemption period in King County, and why does it matter?
Washington law grants the former owner a right to redeem the property (reclaim it) after a tax sale by paying the sale price plus costs and interest within a set period. The exact length of this period is determined by state law and county procedure. You must confirm the specific redemption period with the County Treasurer before bidding, because you will not own the property free and clear until redemption expires. This can be several months or longer, and it affects your investment returns and holding costs.
Is buying a King County tax-delinquent property worth the effort?
It depends on your risk tolerance and investment timeline. King County has a strong real estate market and a relatively effective tax collection system, which means very few properties reach tax sale and competition is fierce when they do. The costs of due diligence, title insurance, and the redemption waiting period can be substantial. However, if you find a property with clear title, no other liens, and a good location, a tax-sale purchase can offer significant value. Work closely with the County Treasurer, a title company, and a real estate attorney to evaluate each opportunity on its own merits.
More Washington Tax Delinquent Property Lists
Sources
County Treasurer, King County, the official delinquent-property list, tax-sale schedule, and redemption details for King County. Contact the office directly for current specifics.
U.S. Census Bureau, QuickFacts, population, housing, and ownership context for King County, Washington.
U.S. Department of Housing and Urban Development, guidance on buying foreclosed and distressed homes.
GoliathData real-time county records, the distressed-property signal counts above, compiled from public records and refreshed weekly.
