Sioux County Assessor
How can I contact Sioux County?
If you need access to property records, deeds, or other services the Sioux County Assessor's Office can't provide, you can try contacting the Sioux County municipal government. The Sioux County seat can be found in the County Courthouse in Orange City. You can contact Sioux County with general inquiries using the contact info listed below.
County Courthouse
PO Box 18
Orange City, IA 51041-0018
Sioux County Contact Info:
(712) 737 2216
(Phone)
(712) 737 2537 (Fax)
For more details about taxes in Sioux County, or to compare property tax rates across Iowa, see the Sioux County property tax page.
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