Osceola County, IA tax sales
Tax Sale Atlas maps the Osceola County, IA tax sale, one of 2,553 counties in 30 states. Iowa sells tax lien certificates paying up to 24%. Sale office, calendar and list locations read from state rules plus what the county publishes on Jul 29, 2026.
How tax lien sales work in Osceola County, seat of Sibley: sale calendar, auction platform, over-the-counter lists, and the offices that run each sale.
New to tax sales? Read how Iowa tax sales work or look terms up in the glossary.
- Next sale
- Iowa holds no tax deed auction.
- County office
- (712) 754-3217
On this page
How Osceola County sells delinquent taxes
From lien to deed
Iowa holds no separate tax deed auction. The county treasurer makes out a deed for each parcel sold and unredeemed immediately after 90 days have expired from the date of completed service of the notice of expiration of the right of redemption, once the holder returns the certificate of purchase and pays the deed and recording fees.
Tax certificate sale (lien)
- Run by
- Osceola County Treasurer
- Frequency
- annual
- Typical timing
- Osceola County publishes no tax sale date.
- Next expected
- on the third Monday in June, 2027 (window; exact date posts closer to the sale)
When it runs
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.
Sale format and venue
Osceola County tax sale list and auction calendar
For Osceola County tax sale 2026 searches, use the county-run sources below rather than a copied parcel list, and confirm the parcel, registration cutoff, deposit, and payment deadline against the county before you bid.
Get the advertised list
A county sale-list URL is still being verified. Use the office and platform details on this page before relying on a copied list.Register to bid
Ask the county office how and when to register; many counties close registration days or weeks before the sale.Sale day
Iowa holds no tax deed auction. The auction platform is still being verified. Confirm the next sale date and registration window with the county before you bid.Confirm with the office
If the list, platform, and notice disagree, use County Treasurer as the source to confirm which parcels are actually offered.
Before you bid in Osceola County
4 checks
Start with the live sale list
The county sale-list URL is still being verified. Use the county office contacts below and confirm the advertised parcels directly before you price a bid.Confirm 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.
Check the state rules that change the bid
Read the Iowa due-diligence checklist before bidding. Redemption, liens that survive a tax deed, title cleanup, and payment deadlines can change what a parcel is worth.Set a walk-away number
Work out what the parcel is actually worth with the rural land value estimator, then turn it into a ceiling with the tax deed max-bid calculator.
Over-the-counter (leftover) purchases
unsold certificates
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. Every state has its own name for what goes unsold, so check what Iowa calls its leftover tax-sale inventory.
Use the arrow keys to switch between these sections.
County offices
Tax Collector (runs the certificate sale)
County notes
- 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 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?
When is the Osceola County tax certificate sale?
How often does Osceola County hold tax deed sales?
I own a property in this sale. Can I stop it?
Verified Jul 29, 2026 against official county and state sources.
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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Compare sale calendars, platforms, and rules across the state, or read the guides before you bid.