Land · Washington tax sale guide

Benton County tax sales, Washington

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Benton County publishes the front half of the machine and stops before the sale. Its Treasurer pages state that real property foreclosure begins once taxes are a full 3 years delinquent, that both the foreclosure and distraint processes start in June and culminate in a final sale in November, that the Treasurer prepares the legal documents, publishes a legal notice, and notifies the owner, and that a public auction is then conducted and the property sold to satisfy the outstanding tax lien. They publish no date, no platform, no list, no registration, no deposit, and no payment terms for the real property sale. The classic mistakes are treating the September distraint sale list, which sells mobile homes and personal property in person at the Justice Center, as the real property foreclosure list, and importing an online platform or a November day from another county or from an aggregator, because the county itself names neither.

Selling office: Benton County Treasurer, Kenneth Spencer, Prosser Courthouse, 620 Market Street, Prosser, WA 99350, Phone: 509-786-2255

Next sale: No dated sale published. Benton County publishes no dated next real property foreclosure sale in the county sources read. The General Questions page states only the pattern: real property foreclosure begins once the real property taxes are a full 3 years delinquent, personal property goes into collection immediately on delinquency, and both processes start in June of each year culminating in final sale in November. The county General Questions page directs readers to a Foreclosure and Distraint page for more information; that page itself was not retrieved in this research, and no dated sale is stated in the pages read. A dated November 2026 sale is NOT PUBLISHED in the sources read.

As of November 9, 2026, no dated next sale is published in the county sources read: no dated 2026 sale and no dated 2027 sale. The only forward statement the county publishes is the annual pattern, processes starting in June and culminating in a final sale in November.

Dates and deadlines

Sources: Benton County Treasurer, General Questions and Answers. Benton County Treasurer, Treasurer Duties. Benton County Treasurer, Payment Questions and Answers. Benton County, Treasurer FAQ. Benton County Treasurer, Distraint Sale List, September 11, 2025. Confirm with the selling office before relying on any date on this page: sales move, terms change, and parcels are pulled up to sale day.

Research Benton County parcels before you bid

A sale list gives you the parcels, the date, and the opening terms. It does not give you the owner, the value, or the rest of the picture: liens, foreclosure status, and parcel history. PropertyRadar is the data platform for that layer. It carries owner records, assessed and market values, foreclosure and tax data, and property history for parcels across Benton County, searchable by address, owner, or county, including parcels that never reach a sale list.

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How Washington tax foreclosure sales work

• Washington foreclosure starts three years out, and the small print removes parcels before any sale exists. Property taxes are due April 30 with the second half due October 31, and delinquent taxes bear interest computed monthly at 9 percent per annum for residential property with four or fewer units (taxes levied in 2023 or after) and 12 percent for everything else (RCW 84.56.020). Penalties of 3 percent on June 1 and a further 8 percent on December 1 fall only on nonresidential property, residential property over four units, and personal property; small residential parcels pay no penalties at all, which is why the flat 12 percent interest and 11 percent penalty figures in national summaries are wrong for the common Washington house. After three years from the date of delinquency the county treasurer must issue a certificate of delinquency to the county (RCW 84.64.050), but no certificate issues where the delinquency excluding interest and penalties is 100 dollars or less unless the parcel is a declared nuisance, and property eligible for the senior and disability deferral under chapter 84.38 RCW may not be sold at all.
• The foreclosure is a court case, and the judge signs the sale order. The treasurer files the certificate with the clerk of the court and forecloses in the name of the county in superior court, with the county prosecuting attorney assisting (RCW 84.64.050). Notice goes by personal service or by one publication plus certified mail to the owner and every recorded interest holder, with 30 days to appear and defend or pay, and the treasurer must complete a title search before the sale so a record titleholder who differs from the name on the treasurer rolls gets the same notice. The court enters judgment for the taxes, interest and costs on each tract and an order of sale signed by the judge (RCW 84.64.080). There is no administrative shortcut around that judgment, and the judgment estops later objections except that the tax was paid or the property was not liable to taxation (RCW 84.64.180).
• The minimum bid is real, and it is not the cash the deed costs. The acceptable minimum bid at the sale is the total amount of taxes, interest and costs (RCW 84.64.080), and in chapter 84.64 the word interest itself includes the penalties (RCW 84.64.005). But a winning bidder other than the county must pay the full amount of the judgment together with all taxes, interest and costs delinquent at the time of the sale, whether or not they were included in the judgment (RCW 84.64.200). The gap between the printed minimum and the payoff on sale day is where unprepared Washington buyers get surprised; the treasurer's payoff figure in the sale week is the funding number, not the number printed beside the parcel.
• Redemption ends the day before the sale, with one exception that outlives it. Any person owning a recorded interest may pay the taxes, interest and costs at any time before the day of the sale (RCW 84.64.060), and the property may be redeemed at any time before the close of business on the day before sale day, for the certificate amount with interest plus all later taxes, interest and costs, with no redemption fee (RCW 84.64.070). After the sale there is no general redemption. The exception: property of a minor or of a person adjudicated legally incompetent may be redeemed within three years after the sale, on payment of the sale amount with interest plus the reasonable value of good faith improvements less the value of use (RCW 84.64.070). A buyer of a parcel whose owner fits that exception holds a defeasible deed for three years, and the exception is invisible on most sale lists.
• The sale is an as-is auction, in a room or online, and the room rules are the treasurer's. The treasurer sells to the highest and best bidder, the property sold as is without any warranty of title, buildability, zoning, size, location or fitness. An in person sale runs on a weekday at a location in the county after notice is posted for ten successive days in three public places including the treasurer office (RCW 84.64.080). An electronic media sale runs under RCW 84.64.225 and RCW 36.16.145 after newspaper publication once a week for two successive weeks and posting at the courthouse and on the county website at least 14 days ahead; the flagship counties in this set sell this way, on the platforms their own pages name. Bidder deposits are a treasurer term, not a statute term, and in an electronic sale the winning bidder gets no less than 48 hours to pay by electronic funds transfer. Deposits in this set run from 1,000 dollars to 2,500 dollars plus a platform fee, which is why the platform terms for the sale in front of you are a required read.
• Only one class of bidder is barred by statute. No county officer or employee may directly or indirectly purchase at the sale (RCW 84.64.080). Nothing in the chapters read bars the delinquent former owner from bidding, and nothing bars a bidder who owes delinquent taxes somewhere else; summaries that add those bars are importing other states' rules. Counties and platforms add their own conduct terms on top, and those terms, not a phantom statute, are what can disqualify a bid.
• The deed is quick, and the challenge clocks are short and specific. The treasurer executes and records a tax deed that vests title in the purchaser without further acknowledgment, collecting a five dollar preparation fee plus the recording fee through the county auditor (RCW 84.64.080 and 84.64.215). An appeal from the foreclosure judgment must be sought within 30 days and requires a deposit of the full taxes, interest and costs (RCW 84.64.120). An action to set aside or cancel the deed or to recover the land must be brought within three years after the deed issues (RCW 4.16.090). Buyers who need insurable title sooner than that horizon price a quiet title action into the purchase, the same as in Utah.
• Surplus goes back to the record owner on application, under a rule older than Tyler. If the highest bid exceeds the minimum bid, the excess, after payment of recorded water and sewer district liens, must be refunded on application to the record owner, meaning the person who held title on the date the certificate of delinquency was issued, with later assignments and deeds disregarded (RCW 84.64.080). The application must reach the treasurer within three years after the sale; after that the excess goes into the county current expense fund and all claims are extinguished. The rule was last amended in 2019, so it predates Tyler v. Hennepin County rather than answering it, and it stands in contrast to the county resale channel below, whose proceeds carry no former owner claim at all.
• Parcels nobody bids on become county tax title land, and the county resale is a different sale. If no other bid is received, the county is considered the bidder for the full amount due and takes title in trust for the taxing districts; the parcel is stricken from the tax rolls as tax title land under chapter 36.35 RCW (RCW 84.64.200 and 36.35.100). The county legislative authority may later order it sold at a minimum price the authority itself fixes, after three weeks of published notice, to the highest bidder for cash or on a contract with 30 percent down and the balance in ten equal annual installments at 12 percent interest, or dispose of it by private negotiation without bids in the cases stated in RCW 36.35.150, including a sale within 12 months after a public auction drew no acceptable bids. Resale proceeds pay foreclosure and sale costs first, then deferred tax amounts, then the taxing funds, and RCW 36.35.110 states no claim for the former owner. King County's December tax title auctions run on this channel, not on the foreclosure calendar.

How buying works in Benton County

NOT PUBLISHED. Benton County publishes no bidder registration rules for a real property foreclosure sale in the county sources read, because it publishes no dated sale in those sources.

• The deadline is the day before, not the day. Redemption and payoff rights end at the close of business on the day before sale day (RCW 84.64.070), so the list you fund against is the list as it stands that evening, and the payoff quote that matters is the treasurer's figure in sale week, which includes everything delinquent at the sale under RCW 84.64.200.
• Fund the payoff, not the minimum bid. The minimum bid is the judgment snapshot. Interest keeps running and later taxes join it, and the winner pays all of it. Run the Max-Bid Calculator against a payoff estimate with headroom, not against the printed minimum, or the winning bid becomes a funding scramble inside a 48 hour payment window.
• The platform terms are the county's terms. Deposits, fees, increments and payment windows in the online counties are treasurer and platform terms: in this set, deposits of 1,000 to 2,500 dollars plus a 35 dollar platform fee, a 4 or 5 percent buyer premium in two counties, and settlement deadlines measured in days. Read the terms for the sale in front of you; last year's county does not transfer.
• As is means the whole list. No warranty of title, buildability, zoning, size, location or fitness, stated in the statute itself. The diligence that other states let a redemption period absorb has to happen before the bid in Washington, because after the sale only the minor and incompetent exception can reopen a parcel.

Terms: what a bid actually costs

What happens to parcels that do not sell in Benton County

NOT PUBLISHED. Benton County publishes no channel for unsold real property foreclosure parcels in the sources read: no tax title list, no reoffer rule, and no surplus property channel for foreclosure parcels appears on the Treasurer pages read. The Treasurer duties page states only that the treasurer also conducts the sale of surplus items such as sheriff cars and county road equipment at public auction, which is a different sale.

Before you bid

• Pull the final list the day before the sale. Owners and lienholders can pay until the close of business the day before sale day, and lists shrink hard in that final week. A parcel researched off the first published list and gone by sale day is the normal Washington experience, not an error.
• Get the payoff figure, not just the minimum bid. The winner pays the judgment plus all taxes, interest and costs delinquent at the sale (RCW 84.64.200). Ask the treasurer for the sale week payoff on any parcel you intend to fund, and set the maximum off that number.
• Check the owner exception before pricing title. A parcel whose record owner is a minor or a person adjudicated legally incompetent can be redeemed for three years after the sale, with your improvements valued back to you but your position unwound. Where the ownership history suggests it, the discount belongs in the bid, not in a surprise later.
• Set the maximum before the sale opens. The free Max-Bid Calculator below works backwards from your resale price. In Washington run it with the platform fee and any buyer premium inside the cost, the payoff rather than the minimum as the floor, and the three year deed challenge window of RCW 4.16.090 in the holding plan.

Every Washington county in this set

One page per county, each verified against the county treasurer's own publications and the current text of RCW 84.64 and chapter 36.35 RCW. Washington has 39 counties; this set is the top 10 by population.

• King County tax sales
• Pierce County tax sales
• Snohomish County tax sales
• Spokane County tax sales
• Clark County tax sales
• Thurston County tax sales
• Kitsap County tax sales
• Whatcom County tax sales
• Yakima County tax sales
• Benton County (this page)

Keep going

Once a deadline puts you in a sale, the Land Investor Due Diligence Toolkit is the checklist and bid worksheet to run on each parcel before you bid. The same desk runs Florida tax deed sales, Texas tax sales, Pennsylvania tax sales, Georgia tax sales, North Carolina tax foreclosure sales, Ohio tax foreclosure sales, Illinois tax lien sales, Michigan tax foreclosure sales, Arizona tax lien sales, California tax defaulted property sales, Colorado tax lien sales, South Carolina tax sales, Indiana tax lien sales, Tennessee delinquent tax sales, Wisconsin tax deed sales, Missouri tax sales, New Jersey tax lien sales, Maryland tax lien sales, West Virginia tax sales, Virginia tax sales, Oklahoma tax resale, Kansas tax foreclosure sales, Arkansas tax-delinquent land sales, Alabama tax sales, Kentucky certificate of delinquency sales, Mississippi tax land sales, Nevada tax deed sales, New Mexico delinquent property tax sales, Iowa tax lien sales, Nebraska tax certificate sales, Minnesota tax-forfeited land sales, Utah final tax sales, Washington tax foreclosure sales and Oregon tax foreclosure sales, and the proven New York season, with the live membership, sits in the NY tax sale hub.