Welcome to Mercer County, Ohio's website.  Mercer County is located just north of the midpoint of the Ohio-Indiana state line. Celina is the County Seat and the courthouse is located at 101 North Main Street.

Most of the county government offices are represented here or are linked to from here.  Select an office from the tabs above or from the table below.

The information accessed through this website does not constitute the official information of Mercer County, Ohio. Access to this information is intended as a convenience to the public, but not a substitute for reference to the original, official information. The information is as current as possible, but because property information is continually changing, Mercer County, Ohio makes no expressed or implied warranty concerning the accuracy of this information. Changes may be made at any time and without notice. Mercer County, Ohio assumes no liability for damages, directly or indirectly, as a result of errors, omissions or possible discrepancies with regard to this information.

Documents referenced should be reviewed by an attorney, title examiner or other real estate professional to determine the interests or claims of any party. By accessing this website, I agree to indemnify and hold harmless Mercer County, Ohio and its employees from all claims, demands, actions, cause of action, suits, damage, costs, injuries, fees, attorney fees and liability, as may be occasioned by the inclusion of inaccurate or incomplete property/financial information.

Most county government information generally is considered to be public record. Other persons have access to the information contained in recorded documents.