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Treasurer
We hope to provide as much assistance as possible through our website. If you are unable to find the information you need, please contact us at 563-589-4450. If you need to visit us at the Courthouse, please schedule an appointment.
Please note we recommend using Google Chrome, Firefox, or Safari as internet browsers for scheduling an appointment.
Bill of Sale Now Required
A bill of sale is required for all vehicle transfers. A bill of sale is available here for download.
Pay Taxes and Auto Registration Online
Current tax, delinquent tax, and motor vehicle renewals can be paid online. If you have any questions, please contact us at 563-589-4450 or you can email Treasurer. Discover, MasterCard, Visa, and eCheck are accepted for Internet transactions.
Property Tax Inquiry or Payment Renewals
Auto License Registration Renewals
Escrow Taxes
It is possible to escrow your taxes with us. Take the worry out of tax payments. Dubuque County will take your monthly tax payment out of your checking or savings account on the 15th of each month and apply it towards your September and March Payment. Contact us about this service.
For Valuations, Gross and Net Tax, visit the Assessors Website
2023 Tax Sale Information
Dubuque County’s annual tax sale will be held on Monday, June 19, 2023 at 9:00 AM.
- 2023 Notice to Tax Sale Purchasers (PDF)
- 2023 Delinquent List (PDF) will be available by Friday, June 2nd.
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Michael Clasen
Treasurer
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Duane Oberhoffer
Motor Vehicle Deputy
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Angie Steffens
Tax & Finance Deputy
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Christine Kruse
Universal Deputy
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Laurie Guy
Universal Deputy
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Treasurer
Physical Address
720 Central Avenue
Dubuque, IA 52001
Phone: 563-589-4450Fax: 563-589-7819
Hours
Monday through Friday8 am to 4:30 pm
3rd Wednesday of the month: 10 am to 4:30 pm
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Dyersville Satellite Office
Physical Address
340 1st Avenue E
Dyersville, IA 52040
Phone: 563-875-6052Fax: 563-589-7819
HoursThe Dyersville Satellite office is open Tuesday through Thursday by appointment only. Schedule an appointment by clicking the appointment box at the top of this page.