Welcome to the Monona County Treasurers Office



Abby Riesberg


9,730 - 82nd

I would like to welcome you to the Monona County Treasurers’ Home Page!

My hope is this website, will make contacting our office easier and more convenient with access to information 24 hours a day 7 days a week.

The courthouse has a handicapped entrance on the East side of the building.

We provide the following services from our office: Property tax Collection, Issuance of Vehicle Titles and Registrations, and Driver License Issuance.

Our office is committed to carrying out these responsibilities while providing outstanding customer service through a process of continuous evaluation and improvement of the way in which we do business.

Please visit us again!

Abby Riesberg
Monona County Treasurer



                                                          UPDATE FROM THE TREASURER'S OFFICE

I would like to update you on what is happening in the three departments of the Monona County Treasurer's office in relation to the Coronavirus-19 Pandemic.  We still request that you wear a mask and practice social distancing.  if you don't feel safe coming to the courthouse to conduct business, you may continue to pay motor vehicle registrations and property taxes online at www.iowatreasurers.org, by mail, or drop your payments in the drop box located by the front entrance to the courthouse.

Motor Vehicle Department:

Effective September 8, 2020, the Motor Vehile Department will open back up fully to the public with no appointments necessary.  However, please be prepared to wait in line 6 feet apart, as we can only wait on one person at a time due to social distancing.  We will also be open over the noon hour for your convenience.  If you wish to pay your vehicle registrations online, you must have your Pin # that is found on your renewal notice.

Property Tax Department:

We have been open to the public since June 1, 2020.  You have never needed an appointment to come to the property tax office.  If you want to pay your property taxes online, you will need a Receipt # that is found on your tax statements unless you have paid online in previouis years.  Laura Oliver, Monona County Treasurer, will not be traveling to Mapleton or Ute this year to collect taxes due to Covid-19.  

Driver's License Department:

The Driver's License Department will remain by appointment only for the foreseeable future.  To make an appointment, please call 712-433-9566.

The Annual Tax Sale that should have been held on June 15, 2020 was postponed by Gov. Kim Reynolds due to the pandemic.  The July Proclamation by the governor left up to each Treasurer as to whether to hold the 2020 tax sale.  At the present time, we do not anticipate holding the tax sale until the 3rd Monday in June, 2021.  However, please remember, that interest is accruing at 1.5% every month that your delinquent taxes are not paid.  The sooner you pay last year's taxes, the less you will have to pay in penalties.  


Last Year's 2019 Tax Sale Information:

The 2019 Monona County Tax Sale will begin at 9:00 a.m. on Monday, June 17, 2019 at the Monona County Courthouse, Treasurer's office, 610 Iowa Ave., Onawa, IA. This is an online tax sale and bidders need not be present at the courthouse.  Please remember that all bids must be placed online.  Live bids will not be accepted.  You may access the tax sale website at www.iowataxauction.comRegistration doesn't begin until Monday, May 20, 2019 at 12:01 a.m. and ends at 11:59 p.m. on Thursday, June 13, 2019. Please see the 2019 Notice to Tax Sale Purchasers for the Terms and Conditions Governing the Annual Tax Sale by clicking the link below for additional information and registration information. Please don't hesitate to contact us at 712-433-2347 or email us at mocotrea@mononacounty.org if you have any questions.

2019 Notice to Tax Sale Purchasers

2019 Monona County Delinquent Tax Sale Publication List


An adjourned tax sale will be held any business day following the annual tax sale in which there are bidders present and there are parcels still available for sale.

FAQ'S on the Auction Website - Please check out the FAQ (Frequently Asked Questions) page on the www.iowataxauction.com website.  This page can be found by clicking "FAQ" from the menu bar at the left of the screen.  The page includes helpful information for bidders and it is also a great source of information to help you familiarize yourself with how the whole process works.

Assistance with Registration - Once the registration period opens, you may contact the auction site support team by calling 877-243-9997 or email support@iowataxauction.com if you have questions or need assistance with the registration process.

Bidding Rules - Please click this link that explains the bidding process.

To access Assessor's site or Monona County Website information, click on the following links:

Assessor's Web site

Monona County Homepage


Pay Online:

We accept Discover, Mastercard, Visa and e-Checks for Internet Transactions.  When paying property taxes by parcel number, please enter the 10 digit parcel number which appears in the bottom right corner of either payment stub.  A $30.00 returned check fee will be assessed on any payments returned due to insufficient funds.

Effective November 1, 2016, The Iowa County Treasurer's E-Government Alliance (ICTEA) and Gov Tech Services announced upgrades for the online web application at www.iowatreasurers.org, making the site even more customer friendly.  Customers are now able to sign up for email notifications on the website.  This enhancement will allow users to more easily sign up for email alerts reminding them of upcoming due dates for property taxes in September and March.  With the new enhancement, no payment is required to receive email notifications.  The informaion will not be shared with any other source and users will only receive email reminders regarding upcoming property tax due dates.

The other major enhancement allows users to store an account.  With this change, users will enter a receipt number during the initial set-up, but will no longer need to enter a receipt number for further payments via e-check.  This will also eliminate the need for users to search for their tax statements when making e-check payments.

Scheduled and Recurring Property Tax Payments:

We are pleased to offer one-time scheduled tax payments and recurring monthly property tax payments through this website.  Payments can be scheduled using either a credit card or e-check.  If you need additional information, please call us at 712-433-2347.

* To search for parcel numbers by name, enter the last name first followed by a comma, and then part of the first name.  For example, to search for all parcels owned by John Smith, enter Smith,John


Escrow Taxes

Arrangements can be made to have monthly payments automatically decucted from your checking or savings account with a simple one-time sign up.  If interested please contact our office at 712-433-2347


Office Hours

     * Motor Vehicle          8:00 a.m. - 4:30 p.m. 

     * Tax Department      8:00 a.m. - 4:30 p.m. 

     * Drivers License      8:00 a.m. 4:00 p.m.  For a checklist of documents you will need to bring with you, please click here

Written tests:  Please arrive no later than 3:30 p.m. to ensure time to complete the test and be issued a credential.

Drive Tests:  Tuesdays and Wednesdays by appointment only.  Please call 712-433-9566 for an appointment.

Motorcycle Drive Tests: Tuesdays and Wednesdays by appointment only.  Call 712-433-9566 for an appointment.

*** ATTENTION CDL HOLDERS***:  Federal regulations require you to bring proof of citizenship or lawful present to renew or upgrade your CDL.  Please call our office at 712-433-9566 to determine the documents you will need to bring with you.

Payment Methods Accepted by the Monona County Treasurer's Office:

  • Cash (U.S. Currency Only)
  • Credit Cards (Service delivery fee of 2.25% plus $1.50 per transaction applies)
  • Debit Cards (Service delivery fee of $2.00 per transaction applies)
  • Checks, Money Orders or Cashier's Checks possessing an American Bank Association (ABA) routing number

Contact us at the following phone numbers:

* Property Taxes:  712-433-2347

* Motor Vehicle:  712-433-2702

* Drivers License:  712-433-9566

FAX:  712-433-2225

Email:  mocotrea@mononacounty.org

Office Staff:

    Property Taxes:  Rhonda, Tammy, Abby

    Motor Vehicle:  Jodie, Joann

    Driver License:  Tammy, Whitney


Our Location

Monona County Treasurers Office

610 Iowa Ave

P.O. Box 415

Onawa, IA 51040


Holiday Schedule

New Years Day  - Friday, January 1, 2021       

Presidents Day - Monday, February 15, 2021

Memorial Day - Monday, May 31, 2021

Independence Day - Monday, July 5, 2021

Labor Day - Monday, September 6, 2021

Veterans Day - Thursday, November 11, 2021

Thanksgiving Day - Thursday, November 25, 2021

Day After Thanksgiving - Friday, November 26, 2021

Christmas Holiday - Friday, December 24, 2021