Sioux County GIS Portal (Iowa)

Search for Sioux County, IA GIS maps. A GIS map search can provide information like county maps, town maps, city maps, local maps, property maps, parcel maps, plat maps, public property, property tax assessments, flood zones, zoning boundaries, geographic information, historical maps, and property tax information.


Sioux County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Sioux County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Sioux County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Sioux County, Iowa. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Sioux County Assessor Office website.

Sioux County Assessor Orange IA 210 Central Avenue South 51041 712-737-4274


Sioux County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Sioux County property maps that show boundaries, public property, property divisions, and in some cases, population information in Sioux County, Iowa. They may also include property value assessments and property tax rates. Sioux County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Alton City Clerk Alton IA 905 3rd Avenue 51003 712-756-4314

Granville City Clerk Granville IA 740 Broad Street 51022 712-727-3365

Hospers City Clerk Hospers IA 100 3rd Avenue 51238 712-752-8593

Ireton City Clerk Ireton IA 316 Main Street 51027 712-278-2112

Sioux County Clerk Orange IA 210 Central Avenue South 51041 712-737-2286


Sioux County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Sioux County GIS maps. The GIS maps at a Sioux County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Sioux County, Iowa. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Sioux County Town and City Hall website.

Boyden City Hall Boyden IA 609 E Webb St 51234 712-725-2371

Orange City City Hall Orange IA 125 Central Avenue South 51041 712-707-4279


Sioux County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Sioux County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Sioux County, Iowa. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Sioux County Recorder of Deeds website.

Sioux County Recorder of Deeds Orange IA PO Box 48 51041 712-737-2229