Johnson County GIS Portal (Iowa)

Johnson County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Johnson County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Johnson County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Johnson 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 Johnson County Assessor Office website.

Johnson County Assessor's Office Iowa IA 913 South Dubuque Street 52240 319-356-6078


Johnson 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 Johnson County GIS maps. The GIS maps at a Johnson 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 Johnson 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 Johnson County Town and City Hall website.

Coralville City Hall Coralville IA 1512 7th Street 52241 319-248-1700

Hills City Hall Hills IA 90 1st Street 52235 319-679-2507

Iowa City City Hall Iowa IA 410 E Washington St 52240 319-356-5000

Lone Tree City Hall Lone Tree IA 123 North Devoe Street 52755 319-629-4615

North Liberty City Hall North Liberty IA 3 Quail Creek Cir 52317 319-626-5708

Oxford City Hall Oxford IA 205 North Augusta Avenue 52322 319-828-4742

Swisher City Hall Swisher IA 66 2nd St SW 52338 319-857-4539

Tiffin City Hall Tiffin IA 201 Main Street 52340 319-545-2572

Johnson 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 Johnson County property maps that show boundaries, public property, property divisions, and in some cases, population information in Johnson County, Iowa. They may also include property value assessments and property tax rates. Johnson 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.

Hills City Clerk Iowa IA 201 North 1st Avenue 52245 319-679-3197

Iowa City Clerk Iowa IA 410 East Washington Street 52240 319-356-5043

Johnson County Clerk Iowa IA PO Box 2510 52244 319-356-6060

Tiffin City Clerk Tiffin IA 201 Main St 52340 319-545-2572


Johnson 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 Johnson 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 Johnson County, Iowa. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Johnson County Recorder of Deeds website.

Johnson County Recorder of Deeds Iowa IA 913 South Dubuque Street 52240 319-356-6093