Union County, Ohio

Property Search Tools

Please Click on one of the Image Links below to go to the desired web application.

Union County GIS Map


Our new GIS map tool is compatible across all platforms including mobile devices. As a result, most tools available on the desktop version will also be available on your mobile device. Please help us continue to improve our new GIS map by providing feedback on what you like about the map or about anything that you would like to see improved or added to it. Please send your feedback or map questions to: maps@co.union.oh.us

Parcel Search


Subdivision Plat Search


Union County Web Portal


Historical Map Collections