Land · South Dakota tax certificate guide

Yankton County tax certificate sales, South Dakota

Verified

The Yankton County treasurer page gives the office on the first floor of the Yankton County Government Center at 321 West 3rd St. Suite 107, Yankton, SD 57078, with hours Monday through Friday 9:00 a.m. to 5:00 p.m., phone (605) 260-4400 Opt. 7, and fax (605) 260-4491. It lists the first half of property taxes due April 30 and the second half due October 31, and it offers an online property tax payment link. The county's published pages do not state whether certificates are sold to the public, and they publish no tax certificate, assignment, tax deed, or surplus tax deed land information.

Selling office: Yankton County Treasurer's Office, 321 West 3rd St. Suite 107, Yankton, SD 57078, (605) 260-4400 Opt. 7

Next sale: The next annual sale date under state law is December 21, 2026, from 9 a.m. to 4 p.m. at the courthouse, for the preceding year's unpaid taxes.. Yankton County has published no 2026 sale date, list, or bidder notice on its treasurer page. Under SDCL 10-23-2 the treasurer gives notice once during the week before the sale in the official newspapers of the county, so the dated list appears in that newspaper notice.

Watch the official county newspapers during the week before December 21, 2026 for the statutory sale notice and list, and call the Treasurer's Office at (605) 260-4400 before that week to ask whether the county sells, assigns, or simply holds its certificates.

Dates and deadlines

Sources: Yankton County Treasurer. South Dakota Department of Revenue, Contact County Treasurers. SDCL 10-23-28.1, sale of tax certificates prohibited unless waived. 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 Yankton 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 Yankton County, searchable by address, owner, or county, including parcels that never reach a sale list.

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How South Dakota tax certificate sales work

• The sale sits on the calendar by statute. On the third Monday of December each year, between 9 a.m. and 4 p.m., the treasurer offers at public sale at the courthouse a tax certificate for every parcel with unpaid taxes from the preceding year or years, adjourning from day to day until all certificates are offered. The list closes at the end of business on the first Monday of December, and notice is published once during the week before the sale in the county official newspapers (SDCL 10-23-2, 10-23-3 and 10-23-7).
• Where the public may bid, bids are interest rates. A bidder pays the full taxes, interest and costs and names the interest rate the bidder will accept; the lowest rate is the best bid, and no rate above 10 percent per year is a valid bid. The treasurer collects $10 for each certificate (SDCL 10-23-8 and 10-23-19).
• Since 2006 the county is the default holder. No county may sell any tax certificate unless its commissioners have adopted a resolution waiving SDCL 10-23-28.1, and the county is the holder of any certificate it issues. A certificate nobody buys is bid off to the county, a county held certificate bears interest at the Category G rate, and the property is not readvertised while the county keeps its interest (SDCL 10-23-24, 10-23-25, 10-23-26 and 10-23-28.1).
• The assignment is the standing public route. Any person may pay the treasurer the taxes, penalty, interest and costs on a county held certificate, together with every unpaid and subsequent tax on the parcel, and take an assignment of the county certificate with all the rights the county had, as if the person were the original purchaser (SDCL 10-23-27 and 10-23-28). A waiver county also sells unsold certificates at private sale after the December sale closes (SDCL 10-23-12).
• Redemption runs until the deed issues. From a private holder the owner pays the certificate sum plus interest at the rate the property was sold, plus later taxes paid at the same rate; the county may deduct a fee of up to $50 from the holder's proceeds on redemption. From the county the owner pays all delinquent taxes with penalty and interest plus the costs of advertising and selling (SDCL 10-24-1, 10-24-5 and 10-23-8).
• The deed proceeding has a hard clock. It may be started after three years from the sale and must be completed within six years, or the certificate and the lien are cancelled and forever barred; the same clock binds the county. Before any deed, the holder must buy up every prior tax certificate the county holds on the parcel. Notice of intention is served on the owner of record, the person in possession, the person in whose name the property is taxed, and mortgagees, lienholders and creditors of record, and redemption finally expires 60 days after the affidavit of completed service is filed (SDCL 10-25-1, 10-25-3, 10-25-8, 10-25-10 and 10-25-16).
• Since 2024, a deed ends in an auction. Whoever takes a tax deed, the county or a private holder, must offer the property at public auction within one year of the deed; the proceeds pay the deed and sale expenses first, are prorated across the tax levies until all tax and interest are paid, and any surplus left after taxes, penalty, interest, county liens and other costs is returned to the prior owner of record, or sent to the Unclaimed Property Division if the owner cannot be found within 180 days (SDCL 10-25-39, 10-25-39.1 and 10-25-39.2).

How buying works in Yankton County

The county publishes no bidder registration rules, no bidder number process, and no assignment request rules for tax certificates.

• Where buying happens It depends on the county channel, and the channel is the first fact on each county page here: a county whose commissioners waived SDCL 10-23-28.1 sells to the public at the December sale; elsewhere the purchase is an assignment of a county held certificate at the treasurer's office, or a bid at the county auction of tax deed land.
• At a public sale, the bid is a rate Bidders pay the full amount due and compete on the interest rate, lowest rate winning, with 10 percent per year the legal ceiling. There is no premium bidding in South Dakota (SDCL 10-23-8).
• On an assignment, the price is everything owed The county assigns its certificate only after every tax on the parcel is paid in full, including the amount the certificate was bid off for and all later taxes (SDCL 10-23-27).

Terms: what a bid actually costs

Certificates the county keeps

Unless a waiver resolution was adopted, the county itself holds the certificates it issues under SDCL 10-23-28.1. If the county later takes a tax deed, state law requires it to declare the land surplus and sell it at public auction within one year of the deed, and any surplus over taxes, penalties, interest, and costs goes back to the prior owner under SDCL 10-25-39 and 10-25-39.1.

Before you bid

• Ask the waiver question first Whether the public can buy certificates in a county at all turns on a commission resolution that many treasurers never mention on their websites. Ask the treasurer directly which channel the county runs before planning around the December date.
• Mind the six year bar A certificate is a wasting asset: if the deed proceeding is not completed within six years of the sale, the treasurer cancels the certificate and the lien is extinguished. An assignment from the county on a certificate more than four years old restarts a one year window to begin (SDCL 10-25-16 and 10-25-17).
• The deed is not the finish line Since February 2024 a private deed holder must auction the property within a year and keeps only the redemption measure of taxes, interest and costs; the surplus belongs to the former owner. Price a South Dakota certificate as an interest play with an auction at the end, not as a quiet route to keeping land (SDCL 10-25-39.2).

Every South Dakota county in this set

One page per county, each verified against the county's own publications and the current text of SDCL chapters 10-23, 10-24 and 10-25. South Dakota counties run different channels, waiver sales, assignments, or county held certificates; this set is the 10 largest counties.

• Minnehaha County tax certificate sales
• Pennington County tax certificate sales
• Lincoln County tax certificate sales
• Brown County tax certificate sales
• Codington County tax certificate sales
• Brookings County tax certificate sales
• Hughes County tax certificate sales
• Meade County tax certificate sales
• Yankton County (this page)
• Davison County tax certificate sales

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, Oregon tax foreclosure sales, Connecticut tax sales, Massachusetts tax title sales, Rhode Island tax sales, Vermont tax sales, New Hampshire tax lien sales, Maine tax lien sales, Delaware tax sales, Louisiana tax sales, Idaho tax deed sales, Montana tax lien assignments, Wyoming tax lien sales and South Dakota tax certificate sales, and the proven New York season, with the live membership, sits in the NY tax sale hub.