Treasurer
Office Hours and Location Treasurer Forms Property Tax Search Real Estate Tax Escrow Programs Payment Information Pay Taxes Online Delinquent Tax Payment Options Mailing Address Update Union County Tax Rates Update Mortgage Company info Where to Get Answers State of Ohio Unclaimed Funds Office Staff Public Records Policy Treasurer FAQ
General Information
Staff Directory
Email
treasurer@unioncountyohio.gov
Phone Numbers
937-645-3035
Fax: 937-645-3094
Emergencies: Dial 911
Location
233 West Sixth Street
2nd Floor
Marysville,
OH
43040
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Hours
Hours
8:30 a.m. - 4:00 p.m.

Where to Get Answers

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The valuation placed on your property is determined by the Union County Auditor as required by law (ORC 5713.01).  The Auditor calculates tax rates based on public votes on tax levies and inside millage.  The Treasurer's Office only collects taxes and does not determine property values. 

Valuation InformationCounty Auditor - 937-645-3003
Payment InformationCounty Treasurer - 937-645-3035
Missing/Lost Tax BillsCounty Treasurer - 937-645-3035
Special AssessmentsCounty Auditor - 937-645-3003
Homestead ExemptionCounty Auditor - 937-645-3003