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Iowa tax sales: the season preview

Quick answerIowa sells tax lien certificates for unpaid property taxes. Lien buyers can earn 2% per month / 24% per year, fixed by statute (Iowa Code 447.1); the rate is not bid down - bidders compete by bidding down the undivided interest percentage in the parcel they would take on a deed, and many counties assign contested parcels by random / rotational selection among registered bidders.. Redemption: The holder may serve a notice of expiration of the right of redemption after 1 year and 9 months from the sale; redemption ends 90 days after completed service of that notice (Iowa Code 447.9, 447.12), so the effective minimum hold is about 2 years. Sales: Annual tax sale on the third Monday in June in every county (Iowa Code ch. 446), with adjourned sales for unsold parcels thereafter. Governing law: Iowa Code chs. 446 (tax sale), 447 (redemption) and 448 (tax deeds), esp. 446.16, 447.1 and 447.9.

What's actually for sale

Iowa sells tax lien certificates. Because the 24% rate is fixed and parcels are often assigned rotationally, Iowa offers the full statutory rate without rate compression, but deed acquisition is rare given very high redemption rates. A parcel advertised twice and unsold must be offered at a public bidder sale, and the county is required to purchase delinquencies no private bidder takes.

The rate that decides your return

2% per month / 24% per year, fixed by statute (Iowa Code 447.1); the rate is not bid down - bidders compete by bidding down the undivided interest percentage in the parcel they would take on a deed, and many counties assign contested parcels by random / rotational selection among registered bidders.

The clock you're investing against

Sale schedule: Annual tax sale on the third Monday in June in every county (Iowa Code ch. 446), with adjourned sales for unsold parcels thereafter.

Redemption: The holder may serve a notice of expiration of the right of redemption after 1 year and 9 months from the sale; redemption ends 90 days after completed service of that notice (Iowa Code 447.9, 447.12), so the effective minimum hold is about 2 years.

Where the sales happen

GovEase hosts the online sale for many counties; other counties use Iowa Tax Auction (iowataxauction.com, SRI / Zeus / RealAuction). All bidding is online even where the treasurer hosts bidders at the courthouse.. Lists post on the county's schedule, change as owners redeem, and registration typically closes before sale day — the investors who see the list first set the market.

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Deep dives: Iowa laws · Iowa investing guide · Iowa sale calendar. Law verified 2026-10-30.