Ohio Union County Auditor, OH: Property Search & Tax Records (2026)

2026 Guide • Official Links Checked

Union County Ohio Property Search, Parcel Records, Tax Records, GIS Maps & Auditor Help

Use this practical Union County Auditor guide to search Beacon property records, find parcel numbers, review appraisal and tax information, use the tax estimator, open GIS maps, pay real estate taxes, check Recorder deeds, and find CAUV, homestead and conveyance resources.

937
645-3003
233
West 6th Street
Beacon
Parcel + tax tools
GIS
Maps + boundaries

🔒 Official Union County Ohio Property & Tax Resources

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Union County Auditor Main Phone
937-645-3003
Email: auditor@unioncountyohio.gov. Office: 233 West 6th Street, 2nd Floor, Marysville, Ohio 43040.

01 — Start Here

Union County Auditor Property Search: Which Official Tool Should You Use?

Most users searching for Union County Auditor Ohio want one of five things: property search, tax records, tax payment, GIS maps, or deed records.

For owner, address, parcel, appraisal, valuation, tax levy and land information, start with Beacon Property Search. For online tax payments and tax collection questions, use the Treasurer. For deeds, mortgages, land documents and chain-of-title research, use the Recorder. For parcel boundaries and aerial/map research, use GIS Mapping.

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Simple route: Auditor/Beacon = parcel and property records. Treasurer = tax payments. Recorder = deeds and official land records. GIS = parcel maps and boundaries.

Homeowners

Search your parcel, review assessed values, check property tax information, look for homestead/rollback details and use the Treasurer route for payments.

Buyers and agents

Use Beacon, GIS, Recorder official records and Treasurer tax information together before making closing, escrow or valuation assumptions.

Farm and land users

Use CAUV, conveyance standards, GIS maps, surveys, Recorder records and parcel data carefully before relying on acreage or use-value assumptions.

03 — Tax Records

Union County Ohio Property Tax Records, Tax Estimator, Levy Information and Payments

Union County property records and tax records are connected, but the Auditor and Treasurer handle different parts of the process.

Beacon and the Auditor property tools help you review parcel-level tax information, levy details and tax estimates. The Treasurer collects and processes property tax payments, so payment questions should go through the Treasurer’s Office.

TaskOfficial RoutePractical Note
Find parcel tax informationBeacon Property SearchUse the parcel record and tax tabs.
Estimate property taxesProperty Search ToolsBeacon includes a property tax estimator.
Pay real estate taxesTreasurerUse Treasurer route for actual payment questions.
Review tax rates and levy valuesAuditor real estate/tax rate resourcesCheck district and levy details before comparing properties.
Check delinquent or historical tax recordsTreasurer / county recordsConfirm with Treasurer when payment status matters.
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Tax tip: Do not confuse “estimated tax” with your actual bill. Tax bills depend on final value, levy rates, credits, exemptions, special assessments and Treasurer payment records.
04 — GIS Maps

Union County Ohio GIS Maps, Parcel Boundaries, Aerial Photography and Political Boundaries

Union County GIS Mapping helps users view parcel map information, parcel boundaries, aerial photography and political boundaries.

Use GIS when you need to see the property on a map, compare nearby parcels, check location context, understand township or political boundaries, or verify the visual parcel before using Recorder or Treasurer tools.

Parcel boundaries

Use GIS map tools to visually check parcel location and nearby parcels.

Aerial photography

Useful when checking land layout, structures, roads, access and surrounding area.

Map caution

GIS lines are public map data. They are not a legal survey or title opinion.

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Map tip: Use Beacon for property data and GIS for map context. For boundary disputes, legal descriptions, easements or ownership chain, use Recorder records and professional help.
05 — Deeds / Official Records

Union County Ohio Recorder Deeds, Official Records, Mortgages and Chain-of-Title Research

The Union County Recorder is the official land records office for real estate located in Union County. Use Recorder resources for deeds and recorded documents, not the Auditor parcel page alone.

The Recorder page explains that accurate indexing helps people locate documents needed to establish a chain of title and identify debts or encumbrances against property.

User NeedCorrect OfficeOfficial Route
Owner, parcel, value, tax infoAuditor / BeaconBeacon Property Search
Deed, mortgage, lien, releaseRecorderRecorder
Search official records onlineRecorderSearch Official Records
Tax bill/paymentTreasurerTreasurer
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Deed tip: A Beacon owner name is helpful, but it is not a full title search. For legal ownership chain, use Recorder official records and qualified title review.
06 — CAUV / Homestead / Credits

Union County CAUV, Homestead Exemption, Property Tax Rollbacks and Credits

Union County Auditor resources include CAUV, Homestead Exemption and property tax rollback information. These programs can affect taxable value or tax bills, but eligibility and deadlines matter.

CAUV

Useful for qualifying agricultural land where value may be based on agricultural use instead of ordinary market value.

Homestead

Relevant for qualifying senior or disabled homeowners and other eligible situations under Ohio rules.

Rollbacks and credits

Review credits, rollbacks and district levies before comparing tax bills between properties.

Credit tip: Search your parcel after filing any exemption or credit application. Confirm the change appears before assuming the tax bill has been adjusted.
07 — Conveyance

Union County Conveyance Standards, Transfers, Surveys and Recorder Coordination

Union County has official Real Estate Conveyance Standards adopted by the Auditor, Engineer and Recorder offices. These standards matter when property is transferred or legal descriptions need review.

1
Open the official conveyance standards
Use current county standards before preparing documents.

Open the Union County Conveyance Standards page when dealing with property transfers, legal descriptions, splits or documents that must pass county review.

Official page: Union County Conveyance Standards

2
Coordinate Auditor, Engineer and Recorder needs
Transfers can touch multiple offices.

Property transfer workflows may involve Auditor review, Engineer/tax map review and Recorder recording. Do not assume one office can answer every transfer question.

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Transfer tip: Before recording a deed or split-related document, check conveyance standards, parcel details, legal descriptions and Recorder requirements.
08 — Contact / Visit

Union County Auditor Address, Phone Number, Email, Treasurer and Recorder Contacts

Use the right office for the task. Calling the Auditor for deed copies or the Recorder for tax payments will slow you down.

Office / TaskOfficial ContactUse It For
Union County Auditor937-645-3003
auditor@unioncountyohio.gov
Property search, valuation, CAUV, homestead, conveyance, tax rates and Auditor services.
Auditor office233 West 6th Street, 2nd Floor, Marysville, OH 43040Public counter and official correspondence.
Union County TreasurerTreasurer pageReal estate tax payments, tax collection and payment questions.
Union County RecorderRecorder pageDeeds, mortgages, official records, land documents and chain-of-title research.
GIS MappingGIS MappingParcel map information, boundaries, aerial photography and political boundaries.
Map location: 233 West 6th Street, Marysville, Ohio 43040. The Auditor office is listed on the 2nd Floor. Always confirm department hours and temporary closures on the official Union County website before visiting.
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Visit tip: Bring parcel number, property address, owner name, tax bill, deed reference, legal description or letter you received. This helps staff find the correct record faster.
Practical Research Tips

Insider Tips for Union County Ohio Property Search and Tax Records

These tips help users avoid wrong-office mistakes, bad parcel matches, tax-payment confusion and deed-search errors.

Tip 01

Start with Beacon, then branch out

Beacon gives you the parcel number and property details. Use that number when moving to GIS, Treasurer or Recorder pages.

Tip 02

Do not treat tax estimator as the bill

The estimator is helpful for planning, but actual tax bills depend on final values, levies, credits, exemptions and Treasurer records.

Tip 03

Use Recorder records for legal proof

Auditor property records are not a complete title search. Use Recorder official records for deeds, mortgages and recorded documents.

Tip 04

Check GIS for rural and growing areas

Union County includes fast-growing and rural areas. GIS can help verify location, boundaries and surrounding parcels before you call.

FAQ

Union County Auditor Ohio Property Search and Tax Records FAQs

These FAQs answer common user questions about Union County Ohio property records, Beacon search, tax records, GIS maps, Recorder deeds, Treasurer payments, CAUV and homestead.

Q
Where can I search Union County Ohio property records?

Use the official Union County Property Search Tools page or the county-linked Beacon Property Search.

Q
What is the Union County Auditor phone number?

The official Auditor page lists the main phone number as 937-645-3003.

Q
Where is the Union County Auditor office located?

The Auditor office is listed at 233 West 6th Street, 2nd Floor, Marysville, Ohio 43040.

Q
Can I search Union County Ohio tax information online?

Yes. Union County property information says parcel search includes real estate/appraisal information, GIS/mapping, property tax information, building sketches, tax levy information and land information.

Q
Where can I pay Union County Ohio real estate taxes?

Use the official Union County Treasurer page or county pay real estate taxes route for tax payment questions.

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Where can I find Union County Ohio deeds?

Use the Union County Recorder and Search Official Records pages for deeds, mortgages and recorded land documents.

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Where can I view Union County Ohio GIS maps?

Use the official Union County GIS Mapping page for parcel map information, parcel boundaries, aerial photography and political boundaries.

Q
Does Union County Beacon include a tax estimator?

Yes. The official Property Search Tools page says Beacon includes a property tax estimator, parcel search, comparable sales search, reports, export capabilities and map applications.

Q
Where can I find CAUV or homestead information?

Use the Union County Auditor website and Auditor FAQ for CAUV, Homestead Exemption, property tax rollbacks and related real estate resources.

Q
Is OhioAuditors.org an official Union County government website?

No. OhioAuditors.org is an independent informational guide. Always confirm property records, tax payments, forms, maps, conveyance standards and deadlines on official Union County and Ohio government websites.

Official Sources

Official Union County Ohio Links Used in This Guide

Use these official resources to confirm property search, tax records, GIS maps, tax payment, Recorder deeds, CAUV, homestead, conveyance standards and Auditor contact details.

ResourceOfficial LinkUse It For
Union County AuditorAuditor officeAuditor contact, property services, CAUV, homestead, conveyance and real estate resources.
Property Search ToolsSearch toolsBeacon, tax estimator, comparable sales, reports, exports and maps.
Beacon Property SearchBeacon searchOwner, address, parcel, property and tax information search.
Property InformationProperty informationParcel search, property tax info, building sketches, levy and land information.
GIS MappingGIS MappingParcel boundaries, aerial photography, political boundaries and map research.
TreasurerTreasurerReal estate tax payments, tax collection and Treasurer contact.
RecorderRecorderDeeds, mortgages, land records and chain-of-title research.
Official Records SearchSearch Official RecordsOnline Recorder images and indexes.
Editorial review note: This guide was reviewed against official Union County Auditor, Beacon, Property Search Tools, Property Information, GIS Mapping, Treasurer and Recorder resources. OhioAuditors.org is independent and is not a government website.
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Final takeaway: For Union County Ohio property search and tax records, start with Beacon Property Search. Use GIS for maps, Treasurer for tax payment, Recorder for deeds, and Auditor resources for valuation, CAUV, homestead, conveyance and tax-rate guidance.

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