CivilCriminal
Mercer County Clerk of Courts (Common Pleas Legal Division)
Address
101 N. Main St., Room 205, Celina, 45822
Phone
Mercer County courts
Filing fees, clerk information, and official court links.
Reviewed Oct 21, 2026 · Official sources
E-filing
Available
Through Mercer County Clerk of Courts eFiling
Deadline: varies by court
Filing fees
Official fee schedule| Filing type | Fee |
|---|---|
| Civil lawsuit | $400 |
| Divorce / family | $350 |
Fees depend on case type and amount; confirm with the court before filing. At $400, the civil filing fee in Mercer County is higher than most nearby counties (median $300 across 3 nearby counties).
Clerk & court records
Courthouses in Mercer County
CivilCriminalFamily
Mercer County Court of Common Pleas, General and Domestic Relations Divisions
Address
101 N. Main St., Room 301, Celina, 45822
Phone
ProbateJuvenile
Mercer County Court of Common Pleas, Probate and Juvenile Divisions
Address
101 N. Main St., Room 307, Celina, 45822
Phone
Need papers served or filed in Mercer County? Nationwide Legal, our partner company, handles process service and court filing here.
Official links
Frequently Asked Questions
How much does it cost to file a civil case in Mercer County?
The civil filing fee in Mercer County, Ohio is $400.00 (Common Pleas civil cost deposit)
How much does it cost to file for divorce or a family case in Mercer County?
$350.00.
Can I e-file court documents in Mercer County?
Yes. E-filing is available through Mercer County Clerk of Courts eFiling.
Is there a free online case search for Mercer County?
Yes. You can look up cases online at eservices.mercercountyohiocourts.org.
Where do I file court documents in Mercer County?
Filings go to the Mercer County Clerk of Courts. You can reach the clerk at (419) 586-6461.