Olmsted County GIS Portal (Minnesota)

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

Olmsted County Assessor's Office Rochester MN 3603 Dorset Street Northwest 55901 507-328-7663


Olmsted 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 Olmsted County GIS maps. The GIS maps at an Olmsted 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 Olmsted County, Minnesota. 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 Olmsted County Town and City Hall website.

Byron City Hall Byron MN 700 Byron Main Court Northeast 55920

Dover City Hall Dover MN 218 Chatfield St N 55929 507-932-4314

Eyota City Hall Eyota MN 38 South Front Street 55934 507-545-2135

New Haven Town Hall Oronoco MN 9024 County Road 3 Northwest 55960 507-356-8330

Viola Town Hall Eyota MN 4010 Center St NE 55934 507-876-2888

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

Eyota City Clerk Eyota MN 38 South Front Street 55934 507-545-2135

Olmsted County Clerk Rochester MN 151 4th Street Southeast 55904 507-206-2400

Oronoco City Clerk Oronoco MN 115 2nd Avenue Northwest 55960 507-367-4405


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

Olmsted County Recorder of Deeds Rochester MN 151 4th Street Southeast 55904 507-328-7670