Update: The Sioux County Treasurer’s Office is now open in their new location east of the Courthouse at 211 Central Avenue SE in Orange City.
Property tax payments can still be made online, put in our current drop box, or sent in the mail to our address: Sioux County Treasurer, PO Box 77, Orange City, IA 51041. Please remember you have the entire month of September to make a tax payment without penalty. The Drivers License team will be in the Sioux Center Mall during their regular hours on Monday, Tuesday, Thursday, and Friday for the time being.