Miami County GIS Portal (Ohio)

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

Miami County Auditor's Office Troy OH 201 West Main Street 45373 937-440-5925


Miami 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 Miami County GIS maps. The GIS maps at a Miami 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 Miami County, Ohio. 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 Miami County Town and City Hall website.

Laura City Hall Laura OH 108 South Main Street 45337 937-947-1050

Piqua City Hall Piqua OH 201 West Water Street 45356 937-778-2000

Troy City Hall Troy OH 100 South Market Street 45373 937-339-1221

West Milton City Hall West Milton OH 701 South Miami Street 45383 937-698-4191

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

Miami County Clerk Troy OH 201 West Main Street 45373 937-440-6010

Newberry Township Clerk Covington OH 7835 West Ingle Road 45318 937-473-3778

Tipp City Clerk Tipp OH 260 South Garber Drive 45371 937-667-8425


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

Miami County Recorder of Deeds Troy OH PO Box 653 45373 937-440-6040