THE OFFICIAL WEBSITE OF MERCER COUNTY OHIO
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Office Hours

Monday: 8:30 a.m. to 5:00 p.m.
Tuesday: 8:30 a.m. to 4:00 p.m.
Wednesday: 8:30 a.m. to 4:00 p.m.
Thursday: 8:30 a.m. to 4:00 p.m.
Friday: 8:30 a.m. to 4:00 p.m.

Federal Holidays

Contact Us

Mercer County Auditor
101 North Main Street, Room 105
Celina, OH 45822
(419) 586-6402
(419) 586-9425 (2nd floor)
(419) 586-8089 (1st floor)

The Auditor’s Office Departments are located in several rooms within the Courthouse.

  • Room 104 – Auditor: IT Dept.
  • Room 105 – Auditor: Administrative
  • Room 106- Auditor: Budgetary
  • Room 109 – Auditor: Weights & Measures
  • Room 207 – Auditor: Real Estate, Personal Property, Dog Tags, Vendors Licenses, Homestead, etc.
  • Room 209 – Auditor: Tax Mapping