Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 23, 2026.
Mercer County, New Jersey, has about 392,000 residents (2024 Census Bureau estimate). Every warrant for Mercer County comes from a judge of the Superior Court of New Jersey, Mercer County, is served by whichever agency finds the person, and is recorded in the court file of the case it was issued in. This guide says who issues and serves warrants here, where a person arrested on one is held, how to check for one and how one is cleared.
This guide covers who issues warrants, who serves warrants, after a warrant arrest, checking for a warrant, clearing a warrant and common questions.
Related guides: Mercer County public records, Mercer County arrest records, Mercer County criminal records, Mercer County court records, Mercer County police reports, New Jersey arrest records and New Jersey inmate search.
Who Issues Warrants in Mercer County
In New Jersey an arrest warrant is signed by a judge. For Mercer County that means the Superior Court of New Jersey, Mercer County, which hears every civil, criminal, family and probate case. A city with a municipal court of its own issues warrants on the tickets and ordinance cases it tries.
A bench warrant follows a missed court date in any of those courts. Whichever kind it is, the warrant is part of the file of the case it was issued in, and the Superior Court Clerk and the County Clerk keep that file.
For Mercer County, SearchSystems opened and checked the court records page for the county at njcourts.gov/courts/vicinages/mercer/offices (page title: Mercer Court Offices/Divisions | NJ Courts), phone 609-571-4200, which answered when SearchSystems opened it on September 23, 2026.
Statewide, New Jersey Courts Public Access is the Judiciary's free online case search for civil and criminal cases.
Who Serves Warrants in Mercer County
The Mercer County Sheriff's Office and the agencies that report for Trenton, Princeton, Hightstown, Pennington, Hopewell and Hopewell (township) serve warrants in Mercer County.
The FBI's agency list also places two campus police departments, one state agency, one other agency and one state police unit in Mercer County (the arrest records guide names each one); each serves warrants on its own ground.
The agency that serves a warrant from Mercer County is whichever one finds the person; an New Jersey warrant is valid across New Jersey.
Together, the 11 agencies in Mercer County with all twelve months of 2025 on file reported 6,190 arrests to the FBI that year; arrests on warrants are counted among them, not separately.
Each agency and what it reported is in Mercer County arrest records.
Where a Person Arrested on a Warrant from Mercer County Is Held
A person arrested on a warrant and kept in custody goes to the county jail, whichever agency made the arrest. The jail, run by the Mercer County Sheriff's Office, held about 440 people on an average day in 2023 by the Vera Institute of Justice's count.
A person arrested in Mercer County on a warrant from another county is held at the same jail until that county takes custody.
How to Check for a Warrant in Mercer County
Whether a warrant is out from Mercer County shows in three places:
- The court file of the case, through the Superior Court Clerk and the County Clerk at 609-571-4200, since a warrant is recorded in the case it was issued in.
- New Jersey Courts Public Access, the Judiciary's free online case search for civil and criminal cases, for a case whose register of actions shows a warrant.
- The County Prosecutor, which can say whether charges were filed; a warrant on a complaint follows the filing.
Not one of the Mercer County pages SearchSystems verified (the court's and the prosecutor's) is a list of open warrants, so a check means asking the court or the prosecutor about a case by name.
The statewide criminal history kept by the New Jersey State Police is not open to the public in New Jersey, so it is not a route to a warrant check on someone else.
Clearing a Warrant from Mercer County
Only the judge who issued a warrant can recall it. For a case from Mercer County that means appearing before the Superior Court of New Jersey, Mercer County, with the case put back on the calendar through the Superior Court Clerk and the County Clerk.
A lawyer can often arrange the appearance in advance. The County Prosecutor's page SearchSystems verified is at mercercounty.org.
Frequently Asked Questions
Can I check for a warrant online in Mercer County?
Not from the Mercer County pages SearchSystems verified; none of them is a warrant list. New Jersey Courts Public Access is the Judiciary's free online case search for civil and criminal cases, and a case whose register of actions shows a warrant is the record of it. The court file is the record of a warrant: ask the Superior Court Clerk and the County Clerk at 609-571-4200.
Who serves warrants in Mercer County?
The Mercer County Sheriff's Office, and the agency that reports for the city where the person is found; an New Jersey warrant is valid anywhere in the state.
Where is a person arrested on a warrant in Mercer County held?
At the county jail, run by the Mercer County Sheriff's Office, if kept in custody.
How is a warrant from Mercer County cleared?
By appearing before the court that issued it; the judge recalls the warrant in court. The case is put back on the calendar through the Superior Court Clerk and the County Clerk at 609-571-4200.
Is this the official Mercer County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.