Probate
Mercer County Surrogate's Court
Address
175 South Broad St, 4th Floor, Room 420, Trenton, 08650
Phone
Mercer County courts
Filing fees, clerk information, and official court links.
Reviewed Oct 22, 2026 · Official sources
Filing fees
Official fee schedule| Filing type | Fee |
|---|---|
| Civil lawsuit | $250 |
| Small claims | $35 |
| Divorce / family | $25 to $300 |
Fees depend on case type and amount; confirm with the court before filing. At $250, the civil filing fee in Mercer County is about the same as nearby counties (median $250 across 5 nearby counties).
Clerk & court records
Superior Court of New Jersey, Mercer Vicinage - Civil and Family Divisions (Trenton)
Mercer County Civil Courthouse · Mon-Fri 8:30 AM-4:30 PM
Courthouses in Mercer County
CivilSmall ClaimsEviction
Superior Court of New Jersey, Mercer County - Civil Division and Special Civil Part
Address
175 South Broad St (Mercer County Civil Courthouse), Trenton, 08650
Criminal
Superior Court of New Jersey, Mercer County - Criminal Division
Address
400 South Warren St (Mercer County Criminal Courthouse), Trenton, 08650
FamilyJuvenile
Superior Court of New Jersey, Mercer County - Family Division
Address
175 South Broad St (Mercer County Civil Courthouse), Trenton, 08650
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, New Jersey is $250.00 (Law Division civil complaint, first paper)
What is the small claims filing fee in Mercer County?
$35.00 (Special Civil Part small claim, one defendant; +$5.00 each additional)
How much does it cost to file for divorce or a family case in Mercer County?
$300.00 (divorce/dissolution complaint; +$25.00 parent education where applicable)
Can I e-file court documents in Mercer County?
Yes. E-filing is available through eCourts. It is mandatory for attorneys.
Is there a free online case search for Mercer County?
Yes. You can look up cases online at njcourts.gov.
Where do I file court documents in Mercer County?
Filings go to the Superior Court of New Jersey, Mercer Vicinage - Civil and Family Divisions (Trenton), located at 175 South Broad Street, Trenton, NJ 08650. You can reach the clerk at (609) 571-4200 ext. 76019 (Civil); ext. 74380 (Family)