Monona County Office Information
Phone Number: 712-433-2347
Option 1 - Property Tax
Option 2 - Driver's License
Option 3 - Motor Vehicle
Fax: 712-433-2225
Location
Monona County Treasurer's Office
610 Iowa Ave
Onawa, IA 51040
Handicap parking available at East and West courthouse entrances.
Hours
Property Tax & Motor Vehicle Services
Monday through Friday, 8 am to 12 pm, and 1 pm to 4:30 pm
Driver's License
Monday through Friday, 8 am to 12 pm, and 1 pm to 4:15 pm
Mailing Address
Monona County Treasurer
PO Box 415
Onawa, Iowa 51040
Send an Email
Website
MononaCountyIowa.gov
Holidays Observed
New Year’s Day
Martin Luther King Jr. Day
President's Day
Memorial Day
Independence Day
Labor Day
Veteran’s Day
Thanksgiving
Day After Thanksgiving
Christmas
Property Tax Information
ACCEPTED METHODS OF PAYMENT
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
$30 Returned check fee for returned bank checks
SCHEDULED & 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.
* 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
TAX SALE
The 2026 Monona County Tax Sale will begin at 9:00 a.m. on Monday, June 15, 2026.
The tax sale will be held online and bidders need not be present at the courthouse. Please remember that all bids must be placed online. Live inperson bids will not be accepted. You may access the tax sale website at www.GovEase.com.
Registration doesn't begin until Monday, May 18, 2026 at 12:01 a.m. and will end at 11:59 p.m. on Thursday, June 11, 2026. Please see the 2026 Notice to Tax Sale Purchasers for the Terms and Conditions Governing the Annual Tax Sale by clicking the link below for additional information and required registration information.
2026 Tax Sale Publication listing - Coming Soon
2026 Terms & Conditions - Monona County Treasurer
Tax Sale Investor Education - GovEase
Assistance with Registration - Once the registration period opens, you may contact the auction site support team by calling (769) 208-5050 or email support@govease.com if you have questions or need assistance with the registration process.
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.
To access Assessor's site or Monona County Website information, click on the following links:
MONONA COUNTY ASSESSOR WEBSITE
MONONA COUNTY HOME PAGE
Vehicle Registration Renewal
Renew your vehicle registration online 24 hours a day, 7 days a week. You will need your plate number and either the PIN from your renewal notice or the audit number from your registration renewal receipt.
We accept Discover Card, MasterCard, Visa Card, and Electronic Check (eCheck). A non-refundable Service Delivery Fee applies.
Monona County Driver's License Services
NEW LAW, EFFECTIVE JULY 1, 2023
If you are NOT a Monona County resident or taxpayer:
-A $10 convenience Fee will be added for issuance of a Driver's License or Identification Card.
-Fee is waived if you pay property taxes to Monona County, proof of payment required.
Driver License:
8:00 AM - 12 PM and 1 PM - 4:15 PM
closed for lunch 12-1 PM
Monday - Friday
Driver License Written Testing:
8:00 AM - 12 PM and 1 PM - 3:30 PM
closed for lunch 12-1 PM
Monday - Friday
We ask that you be there by 3:30 PM to start the test if you would like to be issued a permit following the test. Any testing started after 3:30 will not guarantee finishing the test or being issued a credential.
Car Drives: **by appointment only**
8:30 AM - 3:30 PM
Monday - Friday
