Process serving · Mercer County
Process server for Mercer County, New Jersey
From $150 per address. Attempts logged, affidavit of service included.
✓ New Jersey commissioned notary, no. 50244803, insured for errors and omissions. See the credentials
🌙 We're off the clock. Your case isn't.
Send the details tonight and we'll quote it first thing when we open in the morning. Upload the papers with the request so nothing waits on us.
Send the requestNeed court papers delivered to someone in Mercer County? A process server attempts service at different times of day, logs every attempt, and gives you a notarized affidavit of service.
Filing proof of service
Mercer County Civil Courthouse
175 S. Broad St, Trenton, NJ 08650
Add "file it with the court for me too" and we take the affidavit to the Civil Division. Court filing in Mercer County
Mercer County Sheriff's Office
Civil Process Division, 175 S. Broad St, Trenton, NJ 08650
609-989-6103
The sheriff handles court-ordered levies and writs. Most summonses and subpoenas can be served privately. Sheriff's page
Serving across Mercer County
The county is in Central Jersey. We serve at homes and workplaces in Trenton, Princeton, Hamilton, Ewing, Lawrence, West Windsor, Robbinsville, Hopewell, East Windsor, Hightstown. Give us more than one address and the times the person is usually there, and say if you need it done today.
Nearby counties
Process serving in New Jersey · Serve and file · For landlords
Before you send
- Send the papers to serve as a PDF, with every page in order.
- Give the best address, a description or photo of the person, and the times they're usually home.
- Up to three attempts at different times of day are included.
- You get a notarized affidavit of service once service is made.
- Rules on who may serve papers vary by state. The desk confirms them for your state before assigning a server.
Prefer to talk?
Call the desk and we'll take the request by phone.
Questions
Who can serve papers in Mercer County?
In the Law Division, a summons and complaint can be served by the sheriff or by any competent adult who has no interest in the case, which is how private process servers work. In the Special Civil Part, the court usually serves by mail or through its own court officers. When a court order directs the sheriff to act, the Mercer County Sheriff's Office handles it at 175 S. Broad St, Trenton, NJ 08650.
Where is proof of service filed for a Mercer County case?
With the Superior Court Civil Division at the Mercer County Civil Courthouse in Trenton. Our serve and file option takes it there for you.
Which Mercer County towns do you cover?
All of them, including Trenton, Princeton, Hamilton, Ewing, Lawrence, West Windsor. Give us the best address and times to find the person.
Can you tell me if my papers are correct?
No. We don't review papers for legal content. We serve what you send and document every attempt.
Mercer County court offices
Which Mercer County court issued your papers?
The county cases run through the Mercer vicinage of the Superior Court. The court's directories list these Mercer County offices, which is where proof of service usually ends up.
- Vicinage
- Mercer (Vicinage 7)
- Trial Court Administrator
- Mercer County Criminal Courthouse, 400 South Warren Street, Trenton, NJ 08650-0068
Main court line 609-571-4200 - Family Division intake
- Mercer County Civil Courthouse, Family Case Management Office
PO Box 8068, Trenton, NJ 08650-0068
609-571-4200 - Special Civil Part
- Mercer County Courthouse, Central Finance Office
175 S. Broad Street, First Floor, Trenton, NJ 08650
609-571-4200 ext. 74460
The court usually serves its own Mercer County small claims and Special Civil Part papers, by mail or by a court officer.
The 12 municipalities of Mercer County
The State's 2025 tax rate table lists 12 municipalities in the county. A serve address in any of them is a county address:
- East Windsor Township
- Ewing Township
- Hamilton Township
- Hightstown Borough
- Hopewell Borough
- Hopewell Township
- Lawrence Township
- Pennington Borough
- Princeton
- Robbinsville Township
- Trenton City
- West Windsor Township
Sources for the county figures: Mercer vicinage administration (NJ Courts directory); Mercer County Family Division (NJ Courts directory); Mercer County Special Civil Part (CN 10150); NJ Courts, who can serve a complaint; Mercer County municipalities (2025 General Tax Rates). Checked November 2026. Call a county office before you go; rooms and extensions change.