Osceola County, IA tax sales
How tax lien certificate sales work in Osceola County, seat of Sibley: sale calendar, auction platform, over-the-counter lists, and the offices that run each sale.
Verified Jul 29, 2026 against official county and state sources.
New here? Read how Iowa tax sales work, the difference between a lien and a deed, and redemption periods.
How Osceola County sells delinquent taxes
Tax certificate sale (lien)
- Run by
- Osceola County Treasurer
- Frequency
- annual
- Typical timing
- Osceola County publishes no tax sale date. Its treasurer page lists office duties, hours, staff, and property tax payment links, and contains no reference to a tax sale, a delinquent list, or a June auction. Iowa's annual tax sale runs on the third Monday in June under Iowa Code 446.7, so confirm this county's date, start time, and location directly with the treasurer.
- Next expected
- on the third Monday in June, 2027 (window; exact date posts closer to the sale)
Registration and deposit
The Osceola County Treasurer page publishes no bidder registration steps, deadline, or deposit requirement. Under Iowa Code chapter 446 bidders register with the county treasurer before the June sale. The Iowa State County Treasurers Association sends tax sale bidders to the statewide Iowa Tax Auction portal, where an account is created once and then applied to each individual county auction, but Osceola County does not state on its own site whether it sells through that portal or in person at the courthouse. Call the treasurer at (712) 754-3217 to confirm the registration route, the deadline, and any deposit.
The Osceola County Treasurer runs the annual tax lien certificate sale. As of July 2026 the county website has no tax sale page: a site search for "tax sale" returns only unrelated economic development pages, and the treasurer page itself never mentions a sale, a platform, or a parcel list. No auction platform is confirmed for this county, so verify with the office before assuming the sale is online. The Iowa Tax Auction portal does not publish its participating county list to the public, and the auction browser sits behind a bidder account, so county participation cannot be checked without registering. Treat third party auction aggregators with care, since some publish courtesy notices for sales they do not conduct; confirm any listing against the treasurer's office.
From lien to deed
- Run by
- County Treasurer
- Frequency
- none
- Typical timing
- Iowa holds no tax deed auction. The treasurer makes out a treasurer's deed to the certificate holder immediately after 90 days have expired from completed service of the notice of expiration of the right of redemption, once the holder returns the certificate and pays the deed and recording fees.
There is nothing for an investor to bid on at the deed stage in Iowa. The only auction is the June certificate sale. The certificate holder must return the certificate of purchase and remit the deed and recording fees within 90 calendar days after the redemption period expires, or the treasurer cancels the certificate.
Over-the-counter (leftover) purchases
Two routes reach parcels after the June sale. Parcels that remain unsold for want of bidders are carried to adjourned sales, which the treasurer sets at intervals of not more than two months until the next annual sale. Separately, certificates struck to the county at the public bidder sale may be assigned by the county for the total amount due on the date of assignment, or for a compromised amount, under a written agreement filed with the treasurer and a 10 dollar assignment transaction fee. Ask the county treasurer which county-held certificates are available for assignment.
New to this path? Read how over-the-counter certificates work.
County offices
Tax Collector (runs the certificate sale)
Notes for Osceola County
- Verified July 29, 2026. The Osceola County Treasurer page carries office duties, hours, staff emails, and property tax payment links, but no tax sale page, no sale date, no bidder registration instructions, and no delinquent parcel list.
- No auction platform is confirmed for Osceola County. The Iowa State County Treasurers Association points tax sale bidders to the statewide Iowa Tax Auction portal, and many Iowa counties sell certificates there, but Osceola County names no platform on its own site. Verify with the treasurer before assuming the sale is online.
- No delinquent tax or sale list URL is published by the county. The only parcel tool linked from the treasurer page is the Iowa Treasurers property tax payment lookup, which is a payment search rather than a sale list.
- Treasurer of record on the county page is Becky Marco. Office hours are Monday through Friday, 8:00 am to 4:30 pm.
Iowa statewide rules
- Minimum return
- No statutory minimum return; what you earn is set by the share of ownership taken at the sale
- Redemption
- A parcel may be redeemed at any time before the right of redemption expires. After one year and nine months from the date of sale, the certificate holder may serve a notice of expiration of the right of redemption on the person in possession, the person in whose name the parcel is taxed, and every mortgagee, contract vendor, recorded lessor, and other party of record. The right of redemption then ends 90 days after that service is complete, which means the affidavit of service has been filed with the county treasurer. Three shortened tracks exist: nine months from a public bidder sale under section 446.18, and three months from an abandoned-property or public nuisance sale under section 446.19A or 446.19B. After the treasurer delivers the deed, redemption is possible only through an equitable action in district court, and only by a person who could have redeemed during the 90-day window.
- Surplus proceeds
- No surplus arises. The deed conveys the parcel to the certificate holder rather than selling it to the highest bidder, so there are no excess proceeds to distribute. Where the winning bid was less than 100 percent, the deed conveys only that undivided percentage interest in the parcel.
A tax deed does not convey marketable title. Most buyers file a quiet title action before they can resell or insure the property. See the due diligence guide.
Frequently asked questions
Does Osceola County, Iowa sell tax liens or tax deeds?
- Osceola County follows Iowa's tax lien state system.
When is the Osceola County tax certificate sale?
- Osceola County publishes no tax sale date. Its treasurer page lists office duties, hours, staff, and property tax payment links, and contains no reference to a tax sale, a delinquent list, or a June auction. Iowa's annual tax sale runs on the third Monday in June under Iowa Code 446.7, so confirm this county's date, start time, and location directly with the treasurer.. Registration and bidding happen on the county's online platform. Always confirm the exact date with the Tax Collector before the sale.
How often does Osceola County hold tax deed sales?
- none. Each sale is scheduled and advertised in advance, so check the county's tax deed calendar for the next posted date.
Tax Sale Atlas publishes educational information about public tax sale processes. This is not legal, financial, or investment advice. Rules, dates, and fees change; confirm with the county office before you bid.
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