Median estimated market value for properties in this county.
AssessorSearch county dataUnion County, OH
Union County, OH assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Union County, Ohio. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Union County address or APN
Official sources
Union County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Union County Auditor Property Searchwww.unioncountyohio.gov/departments/Auditor/property-search-tools |
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| Deeds and recorded documents | Union County Recorder Official Records Searchwww2.co.union.oh.us/PaxWorld5/ |
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| Property taxes | Union County Auditor Tax Payment Portalwww.unioncountyohio.gov/departments/Auditor/pay-real-estate-taxes-online |
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| GIS and parcel maps | Union County GIS Mappingwww.unioncountyohio.gov/gis-mapping |
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| Permits and building records | Union County Building Regulationwww.unioncountyohio.gov/departments/Engineer/building-regulation-1 |
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| Zoning and land use | LUC Planning - Union County Townships Zoningwww.lucplanning.com/union-county-townships |
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County data
Union County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Marysville | $358,200 | $104,790 | 1.38% | $4,906 |
| Plain City | $626,874 | $193,245 | 1.60% | $10,569 |
| Richwood | $248,329 | $67,700 | 1.11% | $2,750 |
| Dublin | $693,911 | $227,900 | 1.90% | $13,897 |
| Milford Center | $310,377 | $85,850 | 1.07% | $3,268 |
| Raymond | $285,637 | $84,715 | 1.33% | $3,726 |
| West Mansfield | $280,371 | $86,320 | 1.21% | $3,266 |
| Ostrander | $471,749 | $140,395 | 1.13% | $5,359 |
| Magnetic Springs | $178,265 | $29,920 | 1.02% | $1,289 |
| Unionville Center | $219,432 | $52,010 | 1.02% | $2,237 |
FAQ
Union County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Union County property records by address?
Use the official Union County Auditor Property Search to search Union County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Union County by address or APN.
How do I find the owners of Union County properties?
Use the official Union County Auditor Property Search for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Union County properties by address or APN.
Where can I verify assessed value in Union County?
Use the official Union County Auditor Property Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Union County property tax bills or payments?
Use the official Union County Auditor Tax Payment Portal for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Union County?
Use the official Union County Recorder Official Records Search for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Union County?
Use the official Union County GIS Mapping for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Union County?
Use Union County Building Regulation for permits and LUC Planning - Union County Townships Zoning for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Union County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
More Ohio property records
Use related county pages when researching nearby property records or comparing official source patterns.