Property Tax

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The Tax Division is responsible for collecting taxes for real estate property, mobile homes, utilities, computer equipment, industrial machinery, bushels of grain, monies and credits, buildings on leased land, and city and county special assessments and charges for all tax levying and tax certifying entities of the county.

The Treasurer is also responsible for conducting the tax sale; processing tax sale redemption; issuing tax sale deeds; processing tax suspensions; preparing plat and mobile home tax clearances; and administering the Iowa Property Tax Credit Program for the elderly and disabled based on income.

For additional information see our Frequently Asked Questions.

As a property owner in Boone County, you should be aware of the following requirements.
Value Notification:

The Boone County Assessor determines property values and provides notification to property owners. Please contact the Assessor’s Office at 515-433-0508 for the latest valuation information on your property.

View a sample of how taxes are calculated.

If your mortgage company is responsible for payment of your tax, they should obtain your current tax information from our office. The statement you receive is for your information only.

Late Interest
Failure to receive a tax statement is not a defense to the payment of the tax and any late interest that has accrued. Iowa law requires the Treasurer to assess late interest on all delinquent payments at the rate of 1.5% per month, rounded to the nearest dollar.
The U.S. Postal Service postmark is the only date recognized for date of mailing. We do not accept the date written on your check or a business metered date as proof of the mailing date. Before mailing your payment, check with your local post office to make sure the postmark date will be prior to the late interest date. If you want to be sure that your payment has a postmark before the late interest date, have the post office postmark the envelope in your presence.

Annual Tax Statements
Annual tax statements are mailed once a year in the month of August. The tax statement has two detachable payment stubs.

Your property tax may be paid in full or in two installments. The first half is due on September 1 and becomes delinquent after September 30. The second half is due March 1 and becomes delinquent after March 31.

If you have not received a tax statement, please contact the Treasurer's office for a duplicate statement at 515-433-0510.

 Property Taxes Due September 1st ,2019 through September 30th, 2019 and March 1st, 2020 through March 31st, 2020.

The last day to pay the 2nd half of property taxes without a penalty is Tuesday, March 31st, 2020.