Mercer County Criminal Records

Mercer County criminal records are held at the Criminal Courthouse in Trenton, New Jersey. The Criminal Division processes all criminal case filings for this county. Trenton serves as both the county seat and the state capital, which means several courts operate in the area. Criminal records in Mercer County can be searched through the court clerk, online state portals, or by filing a formal records request. The courthouse on South Warren Street is the central location for all criminal case files in Mercer County.

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Mercer County Quick Facts

387,000 Population
$75 Expungement Fee
Criminal Court Division
Trenton County Seat

Criminal Court Records in Mercer County

The Superior Court of New Jersey in Mercer County handles all criminal case records at the Criminal Courthouse in Trenton. This building is at 400 South Warren Street, Room 109, Trenton, NJ 08650. The main phone number is 609-571-4200. The Criminal Division stores all case files, dockets, and court orders for criminal matters in Mercer County.

For records and expungement questions, call extension 74048 or 74074. The Criminal Division Manager can be reached at 609-571-4104. Staff can help you find case information, request copies, and understand what records are available. Walk-in visits are welcome during business hours at the Mercer County courthouse.

You can learn more about the court on the New Jersey Courts website for Mercer County.

Mercer County criminal records through the New Jersey Courts system

Mercer County is home to the state capital. Because of this, some people confuse the county court with state-level courts that also sit in Trenton. The Mercer County Superior Court only handles cases that arise within the county. State-level courts in Trenton deal with appeals and other matters that are separate from Mercer County criminal records.

Court Mercer County Superior Court
Criminal Division
400 South Warren Street, Room 109
Trenton, NJ 08650
Phone: (609) 571-4200
Hours Monday through Friday, 8:30 AM to 4:30 PM
Website njcourts.gov - Mercer Vicinage

How to Search Criminal Records in Mercer County

The PROMIS/Gavel system is the fastest way to search for basic criminal case data in Mercer County. This free online tool is run by the New Jersey Courts. Go to the PROMIS/Gavel portal and search by name or case number. It covers all counties, including Mercer County. Results show charges, case type, and status.

Keep in mind that full criminal history records in New Jersey are not public in the same way as basic court data. Only the person named in the record, law enforcement, and certain authorized parties can get a complete criminal history. To request your own record, you must go through the New Jersey State Police. This requires a fingerprint submission. The fee is $42.80. Call 1-877-503-5981 to schedule an appointment. Visit the NJSP Criminal Records portal to start the process.

You can also visit the Mercer County courthouse in person. Go to 400 South Warren Street in Trenton. The clerk can search criminal records by name or docket number. Bring a valid ID. For older records, allow extra time. The court staff in Mercer County handle these requests daily and can guide you through each step.

Note: The NJSP Criminal Information Unit is at P.O. Box 7068, West Trenton. Call (609) 882-2000, extension 2918, or email CIU@gw.njsp.org for questions about criminal history records that include Mercer County.

Mercer County Criminal Justice Agencies

The Mercer County Prosecutor's Office handles all indictable criminal cases in the county. Their office is at 209 South Broad Street, 3rd Floor, P.O. Box 8068, Trenton, NJ 08650. Call (609) 989-6350 for general questions. The prosecutor decides which charges to pursue and represents the state in criminal court for Mercer County cases.

The Mercer County Sheriff's Office is at 175 South Broad Street in Trenton. Call (609) 989-6111 for contact. The Sheriff handles warrant service, prisoner transport, and court security for Mercer County. Criminal warrants issued in the county are served by this office. The Sheriff also processes civil papers and maintains certain public records.

Mercer County Sheriff's Office criminal records in Trenton New Jersey

Local police departments in Trenton, Hamilton Township, Princeton, and other Mercer County towns make arrests and file initial charges. Municipal courts handle minor offenses like disorderly persons charges. All indictable criminal cases move to the Superior Court. That is where the permanent criminal record is kept for Mercer County.

Public Access to Mercer County Criminal Records

The Open Public Records Act governs access to government records in New Jersey. Under N.J.S.A. 47:1A-1, most records held by public agencies are open to the public. Criminal case files at the Mercer County Superior Court fall under this law. You can file an OPRA request to get copies of specific documents from a criminal case.

The custodian of records has 7 business days to respond to your OPRA request. Standard copy fees are $0.05 per letter-size page and $0.07 per legal-size page. You do not need to explain why you want the records. Anyone can make the request. If the custodian needs more time, they must notify you in writing.

Some criminal records in Mercer County are restricted. Sealed and expunged records are not available to the public. Juvenile records are also off limits. Under Court Rule 1:38, most other court records are accessible. The clerk will tell you if any part of the file is restricted when you make your request at the Mercer County court.

The StateRecords page for Mercer County is another tool for looking up criminal records and other public data in the county.

Mercer County criminal records search resources in New Jersey

Note: Certified copies of criminal records cost $15 each at the Mercer County court. The seal fee is $10 per document.

Expungement of Criminal Records in Mercer County

Expungement seals a criminal record from public view. In Mercer County, the Expungement Clerk handles these cases. Call 609-571-4200, extension 74048 or 74074, to reach this office. The filing fee for an expungement petition is $75.

State law sets waiting periods before you can file. Most indictable offenses require five or six years after completing the sentence. Disorderly persons offenses have a five-year wait. The Clean Slate Act may allow earlier expungement for some offenses. Drug court graduates can sometimes qualify sooner. Each case depends on the charges and the person's full record in Mercer County.

Visit the NJSP Expungement portal to check if your criminal record qualifies. The tool walks you through the steps and shows what you need to file. Once a judge grants the petition, the criminal records in Mercer County tied to that case are sealed from the public.

Sex Offender Records in Mercer County

New Jersey maintains a sex offender registry under Megan's Law. Tier 2 and Tier 3 offenders in Mercer County are listed on the public registry. You can search by name, address, city, or zip code. This registry is separate from standard criminal records. It is run by the county prosecutor and the State Police.

Tier 1 offenders are not listed on the public site. Only law enforcement can access Tier 1 records. Tier 2 offenders pose a moderate risk, and their information is shared with schools and community groups. Tier 3 offenders are the highest risk, and their data is available to the general public. If you need to check for registered offenders in Mercer County, the state registry is the best source. Contact the Mercer County Prosecutor's Office at (609) 989-6350 for more details on sex offender records in the county.

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Cities in Mercer County

Mercer County has 12 municipalities. All criminal cases for these areas are filed at the Superior Court in Trenton. Municipal courts in each town handle minor offenses, but indictable criminal cases in Mercer County go to the Superior Court.

Other municipalities in Mercer County include Princeton, Ewing Township, Lawrence Township, West Windsor Township, East Windsor Township, Hopewell Township, Robbinsville Township, and Pennington. All indictable criminal cases from these towns are filed at the Mercer County Superior Court.

Nearby Counties

These counties border Mercer County. Criminal records are filed in the county where the offense took place. If you are not sure which county holds the records you need, check the location of the court that handled the case.