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.

2014 HOURS

Office Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Most Offices CLOSED 8:30 - 5:00 8:30 - 4:00 CLOSED
Common Pleas & Probate/Juvenile Courts CLOSED 8:30 - 12:00
1:00 - 5:00
8:30 - 12:00
1:00 - 4:00


Title Office CLOSED 8:30 - 6:30 9:00 - 4:30 CLOSED
JFS* CLOSED 7:00 - 5:00 8:00 - 4:30 8:00 - 3:00 CLOSED
Engineer, EMA, Health Dept., Sanitary Sewer / Solid Waste CLOSED 7:30 - 4:00 CLOSED
Engineer Operations Employees (April - September) CLOSED 6:30 - 5:00 CLOSED
*JFS: 8:00 - 3:00 day prior to holiday


Closing Date Day of the Week Holiday
January 1 Wenesday New Year's Day
January 20 Monday MartinLuther King Day
February 17 Monday Presidents' Day
May 26 Monday Memorial Day
July 4 Friday Independence Day
September 1 Monday Labor Day
October 13 Monday Columbus Day
November 11 Tuesday Veterans Day
November 27 Thursday Thanksgiving Day
November 28 Friday Thanksgiving Holiday
December 25 Thursday Christmas
101 N Main St
1st Floor Phone Room 2nd Floor Phone Room 3rd Floor Phone Room
Community Development 419-586-4209
102 Treasurer 419-586-2259 201 Common Pleas Court Office 419-586-2122
Auditorium 103 Recorder (Administrative) 419-586-4232 202 Common Pleas Courtroom 419-586-2122
Auditor (IT Dept.) 419-584-2570 104 Recorder (Public) 419-586-4232 203 Adult Probation 419-586-5870 305
Auditor (Administrative) 419-586-6402 105 Clerk of Courts (Legal Division) 419-586-6461 205 Juvenile Court

Probate Court
Auditor (Budgetary) 419-586-6402 106 Law Library 419-584-2572 206
Board of Elections 419-586-2215 107 Auditor (Public) 419-586-6402 207
Auditor (Weights & Measures) 419-586-6402 109 Auditor (Tax Mapping) 419-586-6402 209
220 W Livingston St
Basement Phone Suite 1st Floor Phone Suite 2nd Floor Phone Suite
Job & Family Services 419-586-5106 10 Health Dept. 419-586-3251 B152 OSU Extension 419-586-2179


CSEA 419-586-7961 4 Veterans Office 419-586-3542
Conf. Room WIA 419-586-6409 B272
SWCD 419-586-3289 1 Solid Waste/Sanitary 419-584-1982 A230
Commissioners 419-586-3178 A201
Prosecutor 419-586-8677 119 N Walnut St
EMA 419-586-6468 214 W Livingston St
Engineer 419-586-7759 321 Riley St
Clerk of Courts (Title Division) 419-586-5005 318 Portland St
Sheriff 419-586-7724 4835 State Route 29
Dog Pound 419-942-1550 7009 State Route 49
Mercer County, Ohio Home Page
Auditor - Parcel Search Real Estate Information
Recorder - Document Search Recorded Documents
Auditor - GIS Viewer Tax Maps & Aerial Photography
Planning Commission Dedicated to the Development and Planning of Land Use
Auditor - Dog Tags Dog Laws and Regulations - Applications - Lists

Bid on Surplus Items

Click on the icon below to go to the Mercer County, OH surplus items online auction on GovDeals.

Elected Officials

Party Title Name Term End
D Common Pleas Judge Jeffrey Ingraham 12/31/2016
R Probate Judge Mary Pat Zitter 02/08/2015
R Sheriff Jeff Grey 01/08/2017
R Prosecutor Matthew K. Fox 01/08/2017
R Clerk of Courts Kevin McKirnan 01/08/2017
R Commissioner 1/3 John E. Bruns 12/31/2014
R Commissioner 2/3 Jerry Laffin 01/01/2017
R Commissioner 3/3 Rick Muhlenkamp 01/02/2017
R Auditor Randy Grapner 03/08/2015
R Treasurer Dave Kaiser 09/01/2017
R Recorder Angie King 01/08/2017
R Engineer Jim Wiechart 01/08/2017
R Coroner Timothy Heinrichs 01/08/2017
D Municipal Judge James Scheer 12/31/2017