The Auditor/Treasurer's Office provides services including financial and accounting services for Fillmore County (including tax information); vital statistics (birth and death certificates); marriage licenses and applications; divorce decrees, passport applications; licenses and permits for auctioneers, beer, dances, and fireworks.

The County Auditor and Treasurer offices provide taxation and financial oversight for the county. Duties include: oversight of the county budget; issuing motor vehicle, driver, game, fish, off road, liquor, beer, and cigarette licenses; collecting property tax payments including all postponed and delinquent property taxes; receipt and disbursement of all county funds; and maintaining tax billing and collection history records for archives and public inspection.

The County Auditor / Treasurer office provides taxation and financial oversight for the county. Duties include: - Oversight of the county budget - Issuing motor vehicle, driver, game, fish, off road, liquor, beer, and cigarette licenses - Collecting property tax payments including all postponed and delinquent property taxes - Receipt and disbursement of all county funds - Maintaining tax billing and collection history records for archives and public inspection