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Union County, Ohio - Assessor's Office

The Union County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Union County, Ohio. You can contact the Union County Assessor for:

  • Checking the Union County property tax due date
  • Information on your property's tax assessment
  • Paying your property tax
  • Appealing your property tax appraisal
  • Your property tax bill
  • Reporting upgrades or improvements

233 W. 6th StreetThe Union County Assessor's Office is located in Marysville, Ohio. Marysville is the county seat of Union County, where most local government offices are located. The assessor's office is located in the same building as the Union County Office Building, at 233 West 6th Street.

Union County Assessor Contact Information

Additional Union County Information

Union County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Union County Tax Assessor may also serve as the Union County Tax Appraiser.

  1. The Union County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Union County.
  2. The Union County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
  3. The Union County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Union County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Union County about your property taxes, make sure that you are contacting the correct office. You can call the Union County Tax Assessor's Office for assistance at 937-645-3003. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Union County assessor's office at 937-645-3057. Please call the assessor's office in Marysville before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Union County Office Building at 937-645-3012.

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The median property tax in Union County, Ohio is $2,449.00

ohio Property Tax Data All of the Union County information on this page has been verified and checked for accuracy.
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