Mahaska County Courthouse

Treasurer: Payments Online

We encourage you to make your property tax payment and your motor vehicle renewal payments online at

For property tax payments, select FIND MY COUNTY, select MAHASKA.  You may search by name, parcel number or property address.

Select VEHICLE RENEWAL to renew your tags.  Enter your plate number and PIN or Audit number.

To find your PIN or Audit number:

Your PIN number is located on the blue registration renewal notice, you received in the mail.

Your AUDIT number located on the bottom left hand corner of your current registration.

Online Payment Links

Online Payment Details

  • A non-refundable Service Delivery Fee will be applied to your total.

  • You may review the fee before completing this transaction. You will have the opportunity to exit out of the payment process without completing the transaction if you choose to do so.
  • Electronic Check: (qualifies for cash discount; your final cost will be $0.25 per transaction) the amount will be deducted directly from your bank account. eChecks are limited to traditional checking accounts. We are not able to accept eChecks drawn on Savings Accounts, Money Market Accounts, IRAs, or credit card checks.

    Your bank statement will show a charge from COUNTY TREASURER EGOV TAX.

  • Credit Cards: (2.25% per transaction) Discover, MasterCard, Visa accepted. Debit cards with the MasterCard logo are processed as credit cards.

    Your credit card statement will show a charge from IA CO TREASURER PYMT for the amount of the tax or vehicle registration renewal(s) and a charge from the website provider for the service delivery fee. Fees subject to change per web provider.