Mercer County Criminal History Access

Mercer County criminal history records are kept at the courthouse in Trenton, the county seat and state capital. The county processes almost 9,000 criminal complaints each year, with about 14 percent involving violent offenses. The Sheriff, Superior Court, and Prosecutor all maintain portions of the criminal record system. Searching for criminal history in Mercer County requires knowing which office holds the records you need and what steps to follow for access.

Mercer County Sheriff Criminal Records

Sheriff John A. Kemler is based at 175 South Broad Street in Trenton. Call 609-989-6111 to reach the office. The Sheriff handles fingerprinting, background checks, and warrant service throughout Mercer County. Staff coordinate with local police departments on arrest warrants and prisoner transport.

Fingerprint-based criminal history checks cost $45.73 in Mercer County. Name-based searches are available for $20. The fingerprint method is more thorough and is required under N.J.S.A. 53:1-20.5 for official CHRI reports. Live scan machines capture prints digitally. The data goes to the State Bureau of Identification in Trenton for processing. Results are returned within about two weeks.

The Sheriff also maintains active warrant files. Outstanding warrants are public information. You can call the office to check if a warrant exists for a specific person in Mercer County.

Mercer County Court Criminal Cases

The Criminal Courthouse is at 400 South Warren Street in Trenton. Call 609-571-4200 for the court. This is where all indictable criminal cases in Mercer County are heard. The court handles arraignments, bail hearings, motions, trials, and sentencing. Each step creates documents that become part of the case file.

Case files are public records. You can request copies from the court clerk. The file includes the criminal complaint, indictment, motions, plea forms, and sentencing orders. Certified copies carry an additional fee. The court uses the PROMIS/Gavel case management system, which tracks all cases electronically.

For criminal case searches, use the statewide court system instead.

Note: County Clerk Paula Sollami Covello at 209 South Broad Street handles civil records and OPRA requests but does not directly manage criminal case files.

How to Search Criminal History in Mercer County

There are several ways to look up criminal history records in Mercer County. Online tools give fast, basic results. In-person visits allow full file review. Formal background checks provide the most complete picture.

The New Jersey Courts website has a free case lookup tool. Search by party name or docket number. Results include case type, charges, and disposition. The tool covers all Superior Court cases in Mercer County and the rest of New Jersey. It does not show expunged records protected under N.J.S.A. 2C:52-1.

You can also file an OPRA request under N.J.S.A. 47:1A-1. Submit your request to the specific Mercer County office that holds the records. The agency has seven business days to respond. Be specific about what records you want. Vague requests may be denied or delayed. OPRA covers arrest reports, incident reports, booking records, and many other documents held by county agencies.

For the most thorough search, get a fingerprint-based CHRI check through the Sheriff. The $45.73 fee covers the state processing charge. This is the only method that checks against the full state criminal history database. Name-based searches at $20 are quicker but less reliable.

Mercer County Prosecutor Criminal Cases

The Prosecutor's office is at 209 South Broad Street, 3rd Floor, in Trenton. Call (609) 989-6350 for information. This office reviews all arrests and handles prosecution of indictable crimes in Mercer County. The Prosecutor presents cases to the grand jury and manages plea negotiations.

With nearly 9,000 complaints per year, the Mercer County Prosecutor handles a heavy caseload. About 14 percent of cases involve violent offenses. The rest cover property crimes, drug offenses, and other charges. Case records from the Prosecutor become partially available after a case concludes. Active investigation files remain confidential.

Diversion programs in Mercer County include Pretrial Intervention and drug court. These programs offer alternatives to conviction for qualifying individuals. Completed diversion cases may later be expunged under New Jersey law, including the Clean Slate Act at N.J.S.A. 2C:52-5.3.

Criminal Records at Mercer Correction Center

The Mercer County Correction Center is at 1750 River Road in Hopewell Township. The facility has a capacity of 871 inmates. Booking records are created for each person processed into the facility. These records include the person's name, charges, arresting agency, and bail information.

Booking data can be requested through OPRA. Contact the facility for current inmate information. Release dates and sentence details are also part of the facility records. These documents can help verify someone's criminal history in Mercer County.

Note: The Correction Center houses both pretrial detainees and sentenced inmates serving county time. Record types differ based on the person's status.

Mercer County Criminal Record Expungement

You can petition to expunge criminal records in Mercer County. File with the Superior Court at 400 South Warren Street in Trenton. The petition must follow the rules in N.J.S.A. 2C:52-1. You must serve notice on the Prosecutor, arresting agency, and State Police.

Waiting periods depend on the charge. Indictable offenses need six years. Disorderly persons offenses need five. Municipal violations need two. The court holds a hearing if any party objects. If granted, all agencies must remove the record from their systems. The person can legally say they have no criminal record after expungement.

New Jersey's Clean Slate Act added automatic expungement. Under N.J.S.A. 2C:52-5.3, certain offenses are automatically expunged after ten years if the person has no new convictions. This applies to eligible records from Mercer County and all other counties in the state. You do not need to file a petition for automatic expungement. The state handles it through its database.

Cities in Mercer County

Mercer County includes the state capital and several large townships. All indictable criminal cases go through the Superior Court in Trenton. Each municipality has its own municipal court for lesser offenses.

Other Mercer County municipalities include Princeton, Ewing Township, Lawrence Township, and West Windsor Township. The county courthouse in Trenton handles all serious criminal cases from these areas.

Nearby Counties

These counties border Mercer County. Criminal records are filed in the county where the crime occurred. Confirm the correct county before searching.