Iosco County GIS Portal (Michigan)

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

East Tawas City Assessor East Tawas MI 760 Newman Street 48730 989-362-6241

Iosco County Equalization Department Tawas MI 422 West Lake Street 48763 989-984-1028

Oscoda Township Assessor Au Sable MI 110 South State Street, # 2 48750 989-739-7071

Iosco 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 Iosco County GIS maps. The GIS maps at an Iosco 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 Iosco County, Michigan. 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 Iosco County Town and City Hall website.

East Tawas City Hall East Tawas MI 240 Green Road 48730 989-362-2399

Tawas City Hall Tawas MI 516 Oak Street 48763 989-362-8688

Whittemore City Hall Whittemore MI 503 South Bullock Street 48770 989-756-3011


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

Iosco County Clerk Tawas MI 422 West Lake Street 48763 989-362-3497


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

Iosco County Register of Deeds Tawas MI 422 West Lake Street 48763 989-362-2021