Black Hawk County tax sale
Short answer: the Black Hawk County tax sale is where parcels still unpaid at the end of Iowa's collection process are sold. Iowa is a lien state, so a winning bid buys a lien certificate. The date, the sale list and the terms are set in the official notice published before each sale, and the County Treasurer for Black Hawk County keeps the delinquent roll behind it. The list shrinks right up to sale day as owners pay, and every owner on it was in the public record as delinquent before it was printed.
What a bid buys
Tax lien
Iowa sets this statewide.
Tax office
County Treasurer
Keeps the Black Hawk County delinquent roll.
County size
5th of 99
By population among Iowa counties, about 131,000 residents.
How a Black Hawk tax sale runs
At a Black Hawk tax sale nobody buys a house. Iowa sells the unpaid tax as a lien certificate: the buyer pays the delinquent amount, and the owner keeps title and keeps living there.
Most certificates are paid off inside the redemption period, so a Black Hawk lien is first a fixed-return position and only rarely a route to the property. Price it on the return and on how long your money is tied up, not on what the house is worth.
Black Hawk County tax sale at a glance
| Who keeps the roll | The County Treasurer for Black Hawk County keeps the delinquent roll. The sale itself is announced in an official notice, published before each sale, that sets the parcel list, the date and the terms. |
|---|---|
| What a winning bid buys | Tax lien sale: the buyer takes a lien certificate. |
| Iowa sale pattern | Third-Monday-of-June tax sales at 2% per month (24% per year) with a redemption period of about 21 months. |
| Where the date comes from | The official sale notice, published before each sale by the office conducting it. Dates are set locally and change, so this page does not print one. |
| Where the list comes from | The same notice, usually with a downloadable list of parcels and amounts due that shrinks as owners pay before sale day. |
The sale list and the delinquent roll
They are two snapshots of the same record. The delinquent roll is everyone behind on Black Hawk property tax, kept year round. The sale list is the part of that roll still unpaid when the county advertises the sale, and it keeps shrinking until the auction as owners pay to keep their property.
That shrinking is the useful part. Every parcel that drops off is an owner who found the money under deadline; every parcel still listed a week out belongs to an owner who has not. Buyers who only read the final list meet those owners last, in a room full of other bidders. The full roll, and where the county publishes it, is on the Black Hawk County delinquent tax list page.
Before you bid in Black Hawk
What to settle before sale day for a tax lien sale.
Read the terms of sale
The notice sets the deposit, how and when the balance is due, the bidding method and whether bidding is online or in person. Missing a payment deadline can cost you the deposit.
Check the parcel, not the number
A sale list is parcel numbers and amounts owed. Map every parcel: lists routinely include slivers, landlocked lots and land you cannot build on, listed exactly like houses.
Price the redemption
Most liens are paid off, so your return is the interest or penalty, not the property. Plan for the money to sit for the whole redemption period, and know the cost of foreclosing if it does not.
Know the road to a deed
If the owner never pays, ownership is not automatic. The holder applies for a deed or forecloses, with notice duties and costs of their own, after the redemption period ends.
Drive it
Online photos can be years old. Seeing the street, the roof and whether anyone lives there tells you more than any record on the list near Waterloo.
A mid-size sale
With about 131,000 residents, Black Hawk is big enough for a real list and small enough that the same regular bidders tend to return. Knowing the neighbourhoods counts for more here than bidding speed.
Or buy before the sale
Months before a parcel reaches the Black Hawk sale list, the owner is already behind in the public record and still holds title. That is the window to inspect, run title and agree a price one to one. LowBaller ranks those owners around Waterloo by how much pressure they are under and how much equity they hold, with a suggested opening offer on each. Below are representative profiles from the ranking model; the live list is one free scan away.
- #1About 3 years of unpaid property taxes. The bill keeps growing, which often pushes owners to sell sooner.$262K start bid · ~45% under market
- #2About 1 year of unpaid property taxes. The bill keeps growing, which often pushes owners to sell sooner.$293K start bid · ~40% under market
- #3About 3 years of unpaid property taxes. The bill keeps growing, which often pushes owners to sell sooner.$242K start bid · ~42% under market
5 more ranked Waterloo deals behind the scan
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Black Hawk County among Iowa counties
Black Hawk County is the 5th most populous of the 99 Iowa counties, home to about 131,000 people, roughly 4.1% of the state. The largest is Polk County.
| Rank | County | Seat | Population |
|---|---|---|---|
| 1 | Polk County tax sale | Des Moines | 500,000 |
| 2 | Linn County tax sale | Cedar Rapids | 230,000 |
| 3 | Scott County tax sale | Davenport | 174,000 |
| 4 | Johnson County tax sale | Iowa City | 153,000 |
| 5 | Black Hawk County (this page) | Waterloo | 131,000 |
| 6 | Dallas County tax sale | 115,343 | |
| 7 | Woodbury County tax sale | Sioux City | 106,000 |
| 8 | Story County tax sale | 102,498 |
Population from US Census estimates, rounded on some entries. Seats are listed only where we have verified them.
Black Hawk County tax sale FAQ
When is the Black Hawk County tax sale in 2026?
The date is set locally and announced in the official sale notice ahead of the sale; the County Treasurer for Black Hawk County is the place to start. The Iowa pattern is the steadier guide. Third-Monday-of-June tax sales at 2% per month (24% per year) with a redemption period of about 21 months. Confirm the date close to it.
Where can I get the Black Hawk County tax sale list?
Start with the County Treasurer for Black Hawk County, which keeps the delinquent roll. The sale list comes with the sale notice, often as a PDF or spreadsheet of parcels and amounts due, and shrinks as owners pay. It does not show owner contact, values or which owners might sell first.
Does Black Hawk sell tax liens or tax deeds?
Iowa is a lien state, so a winning bid at the Black Hawk sale buys a lien certificate, not the house. That makes it a yield trade: most liens are paid off and earn the return, and only an unpaid one leads toward a deed.
How do I bid at the Black Hawk County tax sale?
Register before the deadline in the sale notice, which also sets the deposit, accepted payment and whether bidding is online or in person. In a lien sale, bidders usually compete on the interest rate or a premium rather than on price. Read the full terms before sale day.
Can the owner get the property back after the Black Hawk tax sale?
Yes, during the redemption period. In a lien sale the owner never loses title: paying the taxes plus interest or penalty clears the lien, and the buyer collects the return. Third-Monday-of-June tax sales at 2% per month (24% per year) with a redemption period of about 21 months.
Is it better to buy before the Black Hawk tax sale?
Often. Before the sale the owner still holds title, so you can inspect, run title and negotiate one to one instead of bidding against the room, and you buy a property rather than a lien that will probably be paid off. The catch is that a direct purchase needs the owner to agree, and many will not.
What happens to Black Hawk parcels that do not sell?
That is set by Iowa law and stated in the notice. Unsold parcels are commonly held by the county or the state, offered again at a later sale or sold over the counter. Ask the County Treasurer how it handles them, because those parcels draw far less competition.
More on Black Hawk County
Tax sales near Black Hawk County
Keep going
Everyone at the Black Hawk sale sees the same list.
Reach the owners before it is printed, while a private sale still solves their problem. Scan free and see who is under pressure around Waterloo today.
Scan Black Hawk freeInformational summary, not legal or investment advice. Sale formats, rates and redemption periods are summarized at the Iowa state level and can be changed by statute or applied differently in Black Hawk County. The official sale notice controls every date, deposit and bidding rule. Verify before you bid.