Union County property records
Where to look up owners, values, tax bills, parcel maps, deeds and value appeals in Union County, Ohio. Each link goes to the county or state office that keeps the record.
Where each record lives
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Tax bills and payments
Find the current bill, the balance due and past payments with the Union County property tax lookup.
Contact details and how-tos are on the Union County property tax office page.
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Parcel maps
See parcel boundaries, parcel numbers and aerial imagery on the Union County GIS parcel map.
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Deeds, liens and recorded documents
Search deeds, mortgages, liens and other recorded documents in the Union County deed and lien search.
Deeds and liens are recorded by the Union County Recorder.
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Value complaints and appeals
Deadlines, forms and how to file an appeal are on the Union County value appeals page.
We haven’t found Union County’s owner and value records online. Call the county at (937) 645-3012 or start at its website, unioncountyohio.gov.
Links go to official county and state sites and were last checked in November 2026. Offices move their pages, so if one has changed, the county’s own website (unioncountyohio.gov) is the place to start.