Departments

Yankton County Auditor's Office

The Auditor's Office is located on the first floor of the Yankton County Government Center building, in the northwest corner.

Hours of Operation:

Monday through Friday
9:00am to 5:00pm

Phone:

(605) 260-4400 Opt. 0

Fax:

(605) 260-4494

Address:

321 W 3rd St., Suite 100
Yankton, SD 57078

Services provided by the Auditor's Office:

  • Voter Registration
  • Personnel Office
  • County Budgets
  • Accounts Payable
  • Tax Levies
  • Liquor Licenses
  • Medical Cannabis Establishment Licenses

Commission Meeting Agenda Policy and Form

Please complete the form and return to the Auditor's Office. Agenda item requests may be submitted in writing or electronically but all required information must be attached with the request. Submission Deadline: 3:00pm on the Wednesday before scheduled meeting.

Medical Cannabis

Yankton County adopted a new ordinance regulating Medical Cannabis Establishments that took effect on November 4, 2021. To view the ordinance please click here.

Budget Information

Township Contact Information

Staff

Patty Hojem

Auditor 605-260-4436 Send an Email

Kasi Foss

Deputy Auditor; Accounts Payable Clerk

Alyssa Lange

Accounts Receivable Clerk; Website Administrator

Kim Mraz

Payroll Clerk

Announcements

Yankton County
Friday, October 3, 2025

The Yankton County Government Center and all other non-emergency offices in the county will be closed on Monday, October 13th, 2025 in observance of Native American Day.

Yankton County Emergency Management
Thursday, October 2, 2025

Please view the link on learning more about the opportunity in receiving the flu shot free October 18th, at the Yankton High School Auxiliary Gym

Flu Shot Flyer

Yankton County Treasurer
Wednesday, October 1, 2025

A reminder to all residents that the second half of property taxes is due by October 31st. There are several convenient ways to pay. You can pay in person, by mail, by our secure drop box or you can pay on-line. For more information please see the Treasurer's page under the Departments tab or call our office.

Main Phone:
(605) 260-4400

Address:
321 West 3rd Street, Suite 100 Yankton, SD 57078

Office Hours:
9:00am - 5:00pm CST, Monday-Friday
Closed on Holidays, Saturdays, & Sundays

Yankton County YouTube Channel

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