Court filing · Mercer County
File papers at the Mercer County courthouse without going
Filed in person in Trenton the next business day, from $175; same-day filing is available when your papers reach us by 10 AM, price quoted. The court fee is added at cost, and the stamped copy comes back to you as a scan the day it's filed.
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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 requestFor filings at the Mercer County Superior Court, a runner prints your papers, waits at the Civil Division window in Trenton, pays the fee and sends you the stamped copy the same day it's filed.
Mercer County filing window
Mercer County Civil Courthouse
175 S. Broad St, Trenton, NJ 08650
Civil Division: 609-571-4200 ext. 74460
Open 8:30 AM to 4:30 PM, Monday to Friday.
Price in Mercer County
From $175 to file in person, next business day. Same-day filing is available when the papers reach us by 10 AM; price quoted. The court fee is added at cost.
Starting rates. Your exact price is quoted after we confirm a local notary/runner, before you pay.
Nothing is charged when you send the request: we email your quote, and you pay online once you accept it. Start a request
Mercer County, Mercer vicinage
Mercer County is in Central Jersey. Civil papers for cases venued here go to the window in Trenton. We pick up signed originals anywhere in the county, from Trenton, Princeton, Hamilton, Ewing, Lawrence, West Windsor, Robbinsville, Hopewell and the rest.
Court fees, deadlines and how to pay the clerk are on the New Jersey filing locations page.
Nearby courthouses
- Hunterdon County, Flemington
- Somerset County, Somerville
- Middlesex County, New Brunswick
- Monmouth County, Freehold
- Burlington County, Mount Holly
All 21 filing locations · Court filing and courthouse runs · Process serving
Before you send
- Send the final, signed PDF. Some clerks want an ink signature on paper filings, so the desk checks before the run.
- We print two sets: one to file and one for the clerk to stamp "filed" and hand back.
- Court fees are paid at the window to "Treasurer, State of New Jersey" and billed to you at cost.
- A motion is generally filed and served at least 16 days before the hearing date it asks for.
- You get a scan of the stamped copy the same day it's filed.
- Serving the other parties is a separate job unless you add it.
- We file the papers you send. We don't review them for legal content or give legal advice.
- If you are representing yourself, you are responsible for the content and accuracy of the documents you give us to file, and any mistakes in them are yours to correct. MCC Solutions does not guarantee any legal outcome.
Prefer to talk?
Call the desk and we'll take the request by phone.
Questions
Where do I file civil papers in Mercer County?
At the Superior Court Civil Division in the Mercer County Civil Courthouse, 175 S. Broad St, Trenton, NJ 08650. The court lists the civil office phone as 609-571-4200 ext. 74460.
Can you pick up my originals in Mercer County first?
Yes. We collect signed originals anywhere in the county, including Trenton, Princeton, Hamilton, Ewing, and take them to Trenton the same trip. Add the pickup address on the form.
Which vicinage is Mercer County in?
The county is part of the Mercer vicinage of the Superior Court. Civil cases venued in the county are filed with its Civil Division in Trenton.
Will you read my motion before filing it?
No. We aren't lawyers and don't review documents for legal content. We file them at the Trenton window as sent, and tell you the clerk's reason if anything is turned away.
Mercer County filing offices
What gets filed where in Mercer County
The Civil Division window above takes Law Division papers. Other Mercer County filings go to different counters, and some to a different building entirely.
- Small claims and Special Civil Part
- Mercer County Courthouse, Central Finance Office (same street address as the Civil Division)
175 S. Broad Street, First Floor, Trenton, NJ 08650
609-571-4200 ext. 74460
For claims up to $20,000 (small claims up to $5,000) and landlord-tenant cases venued in Mercer County. - Family Division
- Mercer County Civil Courthouse
Family Case Management Office
PO Box 8068, Trenton, NJ 08650-0068
609-571-4200 - Uncontested probate
- Mercer County Surrogate (Mercer County Civil Court House)
175 South Broad St., 4th Floor, Room 420, Trenton, NJ 08650-0068
609-989-6331
The Mercer County Surrogate probates wills, grants administration and acts as deputy clerk of the Superior Court, Chancery Division, Probate Part. - Deeds and mortgages
- Mercer County Clerk, Recording Office
209 S. Broad St, Trenton, NJ 08608
609-989-6466 - Property tax appeals
- Mercer County Board of Taxation
Mercer County Administration Building, 640 S. Broad St., Rm. 317, Trenton, NJ 08611
(609) 989-6704
Due April 1, or May 1 after a town-wide revaluation or reassessment. - Vicinage administration
- Mercer vicinage (Vicinage 7), Assignment Judge's office: Mercer County Criminal Courthouse, 400 South Warren Street, Trenton, NJ 08650-0068. Main line 609-571-4200.
Sources for the county figures: Mercer County Special Civil Part (CN 10150, rev. 5/23/2022); Small claims guide (CN 10290); Special Civil Part FAQ (CN 11482); Landlord-tenant filing kit (CN 13377); Mercer County Family Division (NJ Courts directory); Mercer County Surrogate (NJ Courts, Jan. 27, 2026); Monmouth County Surrogate, What We Do; Mercer County Clerk; Mercer County Board of Taxation (nj.gov, September 2026); NJ Division of Taxation, appeals; Mercer Assignment Judge (NJ Courts directory). Checked November 2026. Call a county office before you go; rooms and extensions change.