Johnson County GIS Data (Iowa)

Search for Johnson County, IA GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Johnson County, Iowa. As part of this job, Johnson County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Johnson County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Johnson County GIS data on their websites.

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


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Johnson County, Iowa. As part of that job, Building Departments maintain GIS data that can include Johnson County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Johnson County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Coralville Building Department Coralville IA 1512 7th Street 52241 319-248-1720

Iowa City Building Department Iowa IA 410 East Washington Street 52240 319-356-5125

Iowa City Zoning Iowa IA 410 East Washington Street 52240 319-356-5120

North Liberty Building Department North Liberty IA 5 East Cherry Street 52317 319-626-5713


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Johnson County, Iowa. These GIS maps typically include property boundaries, real estate appraisal values, Johnson County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Johnson County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or 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


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Johnson County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Johnson County GIS data is often accessible 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


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Johnson County, Iowa. The Army Corps of Engineers keeps Johnson County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Johnson County maps may be available on the Army Corps of Engineers website.

Iowa City Army Corps of Engineers Iowa IA 2850 Prairie Du Chien Road Northeast 52240 319-338-3543


A Soil and Water Conservation Office provides information on the conservation and management of natural resources in Johnson County, Iowa. They are also responsible for developing, implementing, and enforcing policies to protect these natural resources. Johnson County Soil and Water Conservation Offices maintain GIS data in the form of maps to monitor soil and water, and these Johnson County maps can show ground and surface water, stormwater runoff, irrigation, erosion, flood zones, and sources of pollution. These maps can be important for buying, selling, or improving property, and they may be available through the Soil and Water Conservation Office website.

Iowa City Johnson County Soil and Water Conservation Iowa IA 51 Escort Lane Southwest 52240 319-337-2322


An Auditor Office provides oversight for government agencies, including evaluating the performance of government offices and their compliance with laws, rules, and regulations in Johnson County, Iowa. Auditors also investigate corruption and fraudulent activities. Auditor Offices maintain a number of records related to their local area, which can include GIS data that shows Johnson County property boundaries, city or county lines, flood zones, earthquake zones, and property taxes. These Johnson County maps may also provide place names, bodies of water, and other geographic information. Auditors may provide online access to their GIS maps.

Johnson County Auditor Iowa IA 913 South Dubuque Street 52240 319-356-6004

Johnson County Auditor North Liberty IA 230 North Dubuque Street 52317 319-626-2375


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Johnson County, Iowa. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Johnson County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Johnson County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

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