Iowa Tax Lien Investing: A Complete Guide

Updated Oct 8, 2026

Iowa may not be the first state that comes to mind, but it is well known among lien investors for one feature: a statutory rate of 2% per month (24% per year). The rest of the system has its own logic, from how ties are broken at the sale to how a deed is obtained.

Iowa at a glance

The rate: 2% per month

Iowa's rate is set by law at 2% per month on the amount of the sale. Because the rate is fixed, buyers do not compete by bidding it down.

Interest is counted by month, and each fraction of a month counts as a full month. Your return therefore depends on when the owner redeems: a lien redeemed after six months earns six months of interest, not a full year. There is no Florida-style minimum charge.

The annual sale

Counties hold the regular tax sale in June. Since the rate is fixed, the question is who gets a parcel when several buyers want it. Iowa allows tie-breaking by bidding on the smallest percentage of undivided interest in the parcel, and counties may also use other methods, such as random or rotational selection. Many counties sell online. Read each treasurer's sale rules.

Over-the-counter purchases

Parcels that do not sell at the regular sale may be offered at later or adjourned sales, and some counties have their own procedures. There is no broad over-the-counter market comparable to Florida's. Check with the county treasurer.

Redemption

The owner can redeem by paying the treasurer the amount of the sale plus interest and allowed costs. The treasurer pays the holder. The right to redeem continues until the deed process is complete.

If the lien is not redeemed: notice and deed

Iowa does not require a foreclosure lawsuit for tax sale certificates.

1. Waiting period: after the regular sale, the holder must wait (generally one year and nine months; shorter for certain special sales).
2. Notice: the holder serves a notice of expiration of the right of redemption on the owner and other interested parties, following strict statutory rules, and files proof with the treasurer.
3. Redemption window: the right of redemption expires 90 days after service is complete.
4. Deed: if no one redeems, the treasurer issues a tax sale deed to the holder.

The process is notice-based and run through county offices, which usually makes it less costly than court foreclosure. Errors in notice can invalidate it, and buyers and title insurers often want a quiet-title action before treating the title as marketable. Many investors use an attorney for the notice step.

Deadline: if the holder does not start the process within the statutory period (generally three years from the sale), the certificate can be canceled.

Subsequent taxes

A certificate holder can generally pay later years' taxes on the same parcel. These payments are added to the amount needed to redeem and earn the statutory rate. This protects your position and adds to your return if the lien is redeemed.

Is Iowa good for beginners?

Reasonable, once you understand the rules. The fixed rate removes rate competition, and the deed process does not require a lawsuit. The trade-offs are monthly accrual (quick redemptions earn less), tie-breaking rules that can limit how much you win, and strict notice requirements.

Tips

• Model returns by month held, not by the annual rate.
• Read each treasurer's tie-breaking and bidder rules before the June sale.
• Calendar the earliest notice date and the cancellation deadline for every certificate.

Browse Iowa counties such as Polk on LienDeed, or compare states in Five states to know.

This article is general information, not financial or legal advice. Tax-sale rules change; always confirm with the county.