Mercer County GIS Portal (Ohio)

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

Mercer County Auditor's Office Celina OH 101 North Main Street 45822 419-586-6402


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

Big Rock Village Clerk Rockford OH 151 Columbia Street 45882 419-363-3032

Mendon Village Clerk Mendon OH 102 South Main Street 45862 419-795-3220

Mercer County Clerk Celina OH 101 North Main Street 45822 419-586-6461


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

Mercer County Recorder of Deeds Celina OH 101 North Main Street 45822 419-586-4232