Union County, OH Property Records
Property records in Union, Ohio provide official information about real estate parcels, including ownership details, assessed values, property tax data, parcel boundaries, legal descriptions, transfer history, and related land records. These records are useful for homebuyers, property owners, real estate professionals, researchers, and anyone needing to verify ownership, review tax obligations, estimate property value, or understand a parcel’s history.
Because Union is located in Montgomery County, official property information is maintained primarily by county offices. Users can access assessment and parcel details through the Montgomery County Auditor, while deeds, mortgages, and other recorded land documents are handled by the county recorder. For current parcel and tax assessment information, start with the Montgomery County Auditor’s official property records.
Union County, OH Property Records & Statistics
Union County stands out as one of Ohio's higher-income, higher-cost counties. The median rent is $867, above the state median of $817.75 and the national median of $840.25. Renter-occupied housing is 22.73% of homes, a bit above Ohio's 21.21% and the national 21.81%.
The median home value is $208,400, far above Ohio's $152,550 and also higher than the national $173,750. The median property tax rate of 1.07% is slightly below the state's 1.11% but higher than the national 0.74%. Because values are high, the dollar amount of tax owed is likely larger than in many Ohio counties even with a rate that is near the state norm.
Household income is a major strength. The median of $89,984 is well above Ohio's $66,091.50 and the national $65,108, which supports the county's higher prices. Unemployment is 1.94%, lower than the state's 2.41% and the national 2.87%.
The figures describe a prosperous county with strong incomes, low unemployment, expensive homes, and rents above average, making it one of the pricier places to buy or rent in the state.
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Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate
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Property Records, Assessments, and Valuations in Union
Union County property records span tax assessments, recorded deeds and mortgages, valuations, and foreclosure filings. The county has 38,536 total parcels, including 28,595 residential and 1,448 commercial parcels, and tax records cover 86.76% of the population for the 2024 assessment year. The recorder holds 68,684 deeds and 44,288 mortgages, and valuation data exists for 19,738 properties.
| Key Data | Details |
|---|---|
| Total Parcels | 38,536 |
| Residential Parcels | 28,595 |
| Commercial Parcels | 1,448 |
| Tax Record Coverage | 86.76% |
| Assessment Year | 2024 |
| Deed Records | 68,684 |
| Mortgage Records | 44,288 |
| Properties with Valuation Data | 19,738 |
| Latest Valuation Update | August 19, 2025 |
| Lis Pendens Records | 4,303 |
Assignment and Release Records
Assignment and release records describe what happens to a mortgage after it is recorded. An assignment shows a loan passing from one lender to another, while a release shows the loan was repaid and the lien cleared.
Union County has 72,835 assignment and release records. They include 6,077 assignment documents recorded from January 3, 2005, through August 29, 2025, and 66,691 release documents recorded from March 3, 1999, through August 29, 2025, plus 67 other documents.
These records help property researchers see who holds a loan and confirm that older mortgages were satisfied. Buyers, sellers, and title professionals can use them to find liens that might still be open before a closing or refinance. Releases dating to 1999 provide a long record of how earlier loans on a property were closed.
How to Search Union County, OH Property Records
Union County recorded property documents are kept by the Union County Recorder's Office in Marysville. The office holds deeds, mortgages, assignments, and releases for the county's 38,536 parcels, and it is the main place to confirm ownership transfers and loans. Assessed values and tax bills come from the county auditor and treasurer.
To search online, start with the Union County Recorder records search, which leads to the official records database after you accept the disclaimer. It is used to find recorded documents by name, date, or document type. For office details and services, visit the Union County Recorder's Office page.
The office is at 233 West Sixth Street, Marysville, and is open Monday through Friday from 7:30 AM to 4:00 PM. The phone number is 937-645-3032.
Prepare the owner's name, property address, or parcel number before you search. Enter the owner's name with a date range, open the latest deed, and confirm the legal description. Deed records are available from April 1, 1997, and mortgages from April 14, 2004, so for earlier history, call the office.
Union Registrar of Deeds
The Union County Probate Office is located at 233 West Sixth Street, Marysville, OH, 43040 and can be reached at 937-645-3032. Office hours are Monday-Friday 7:30 AM – 4:00 PM. Records can be accessed through unioncountyohio.gov or the official website unioncountyohio.gov.
Union County Recorder's Office
Union County Property Records FAQ
How can I search Union County property records by address?
Address-based parcel lookups are provided through the Union County Auditor's property search. For recorded documents, open the Union County Recorder records search and search by owner name or date. If a property does not appear, call the Recorder's Office in Marysville at 937-645-3032.
How can I find property owners in Union County?
The latest recorded deed names the current owner. Use the Union County Recorder records search to find deeds recorded since April 1, 1997. Auditor parcel records also list owners, and the Recorder's Office at 233 West Sixth Street can help in person.
How can I check a property's assessed value in Union County?
The county auditor sets assessed values in Union County, and the records here reflect the 2024 assessment year. Contact the Auditor's office in Marysville for a particular parcel's value. The Ohio Department of Taxation provides general information about how real property is valued and taxed in Ohio.
Where can I find Union County property tax bills and payment records?
The Union County Treasurer collects property taxes and maintains payment records. Contact the Treasurer's office in Marysville to get a bill or confirm a payment. The Recorder's Office does not handle tax payments, but staff at 937-645-3032 can direct you to the right department.
How can I find deeds and other recorded documents in Union County?
Use the Union County Recorder records search to find deeds, mortgages, assignments, and releases. For office information and services, see the Union County Recorder's Office page. The office is open Monday through Friday, 7:30 AM to 4:00 PM.
Where can I access Union County parcel maps and GIS information?
Parcel maps and GIS data for Union County's 38,536 parcels are typically provided by the county auditor or a county mapping office. They show boundaries and parcel numbers for reference and are not a legal survey. The Recorder's Office at 937-645-3032 can help you find the right office.
How can I check permits and zoning information in Union County?
Permits and zoning are mostly handled locally. For property in Marysville or another city or village, contact that municipality's building and zoning department. For township land, ask the township zoning inspector or the county building office. Confirm requirements before building or changing a property's use.
How can I create a list of property owners in Union County?
County tools are meant for single-property lookups. To assemble a list, search deeds by date range in the Union County Recorder records search, or ask the Auditor's office about bulk data. The Recorder's Office at 937-645-3032 can explain what is available.