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Middlesex County, New Jersey Public Records

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Find the right office in Middlesex County. Court cases, deeds and parcels, sheriff and jail records, vital records and county filings, each linked to the office that keeps them.

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Most requested Middlesex County records

Every card below goes to the government office responsible for that record. Use the category buttons to narrow the list.

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Showing 12 official sources

Official

Police & jail

Middlesex County Sheriff's Department

The Middlesex County Sheriff's Office serves court papers and warrants and provides courthouse security, and it holds the records of the process its deputies serve and the sheriff's sales.

middlesexcountynj.gov
Open official site Middlesex County Sheriff's Department
Official

State records

Middlesex County General Information

The Middlesex County government site gives the county's departments, the minutes of its governing board and the office to ask for each kind of county record.

middlesexcountynj.gov
Open official site Middlesex County General Information

Everything else, organized

More official Middlesex County record sources

14 more Middlesex County sources not listed above.

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Local record guide

About public records in Middlesex County

County profile

Middlesex County at a glance

State
New Jersey
County seat
New Brunswick
Population
863,162
Area
322 sq mi
Founded
1683
Cities and towns
24

Middlesex County offices and records

Sheriff & Law Enforcement. Middlesex County Sheriff's Office is responsible for maintaining law and order in Middlesex County. The office also maintains criminal records and offers community programs such as the Sheriff's Labor Assistance Program (SLAP), which provides alternatives to incarceration.

Police Departments. Middlesex County is served by several law enforcement agencies, including Middlesex County Sheriff's Office and municipal police departments such as the New Brunswick Police Department, Edison Police Department, and Woodbridge Police Department.

Law Enforcement & Arrests. Middlesex County Sheriff's Office, headquartered at 701 Livingston Avenue in North Brunswick, New Jersey 08902, provides law enforcement services including court security, civil process service, and detention operations. Middlesex County Adult Correction Center, located at 701 Livingston Avenue in North Brunswick, houses pre-trial detainees and sentenced inmates. Inmate lookup services are available through the Sheriff's Office website, where the public can search for current inmates by name or booking number. Arrest records in Middlesex County are considered public records under New Jersey's Open Public Records Act (OPRA), codified as 47:1A-1 et seq.

Arrest Records. Arrest records in Middlesex County are maintained by Middlesex County Sheriff's Office and local police departments.

Mugshots & Booking Photos. Mugshots in Middlesex County are taken and retained by Middlesex County Sheriff's Office during the booking process.

Municipal courts in Middlesex County operate independently in each county and handle traffic violations, disorderly persons offenses, and local ordinance violations. Middlesex County Surrogate's Court, located at 75 Bayard Street in New Brunswick (732-745-3358), handles probate matters, estate administration, and guardianship proceedings.

Abandoned mine records

Old mine workings in Middlesex County

Where the workings are, and the office that holds the mine maps.

From the old mine records

What is on record in Middlesex County

Old mine sites
18
Sites with no status in the records
9
Still producing
6
Worked underground, in the mine records
1
Main minerals
construction sand and gravel; Copper; Iron
Holes drawn on the old survey maps
149
Shafts and tunnels
0
What they are
open pit mine or quarry, gravel pit, clay pit, sand and gravel pit
Maps surveyed
1942 to 1995
Records behind them
185 records for 182 sites, the rest are the same working written down more than once
Sources
USGS mineral file and USGS topographic mine features

Is an old working under a property here?

The mine records hold 33 named mine sites inside the county, 18 of them worked out or abandoned; the old survey maps add 149 holes drawn inside the county, 0 of them shafts or tunnels. The minerals the records name are construction sand and gravel; Copper; Iron.

A point in either file is a location, not a property line: the sheet shows the opening on the surface, not the rooms under it. The record that shows what runs under a parcel is the mine map. The OSMRE National Mine Map Repository holds scanned underground mine maps and answers requests for a named mine or an area.

1 mile
Middlesex County: the boundary from the Census Bureau, and one dot for each old mine or hole on record inside it. The purple dots come off the old survey maps and the darkest of those are shafts and tunnels; the red, green and orange ones are mine records. Hover a dot for its name.
New Jersey mine map and abandoned mine records
Named workings recorded in Middlesex County (33 shown, 149 unnamed on the map)

Disclaimer: The mine information here is for general information only. Old mine records can be incomplete, outdated or wrong, and finding nothing here does not mean there is nothing there. Check with the mine map office named here before you rely on it, and have a qualified engineer look at any ground you are worried about. PublicRecordCenter.com assumes no responsibility or liability for any errors, omissions, or consequences arising from the use of this information.

Straight answers

Middlesex County public-records FAQs

Open only the answer you need.

Where can I find mugshots or booking photos in Middlesex County, New Jersey?

Booking photos are kept by the agency that made the arrest, such as the Middlesex County Sheriff's Office or a city police department in Middlesex County. Ask that agency for its record. P.L.2017, c.123 bars anyone from asking for or accepting payment in exchange for not publishing information that identifies a person as arrested, charged or convicted, including any photograph taken at the time of arrest.

How do I get a criminal background check in Middlesex County, New Jersey?

The New Jersey criminal history record comes from the New Jersey State Police, Criminal Information Unit. Fingerprint based New Jersey only Personal Record Request: schedule live scan fingerprinting at an IdentoGO site (IDEMIA) online or at 1-877-503-5981; the letter is downloaded at njportal.com/NJSP/prr. Fee: $45.73 fingerprinting service fee (includes the $15.73 vendor fee and state sales tax).

How can I look up sex offenders in Middlesex County, New Jersey?

Search the New Jersey Sex Offender Internet Registry (New Jersey State Police), or every state at once on the National Sex Offender Public Website run by the U.S. Department of Justice.

How do I register to vote in Middlesex County, New Jersey?

Register with the County Commissioner of Registration or Superintendent of Elections or through the New Jersey Division of Elections. You can also register online with the state online registration. The registration deadline is 21 days before the election (October 13 for the November 3, 2026 general election).

How do I look up property records in Middlesex County, New Jersey?

Deeds and other recorded land documents in Middlesex County are kept by the Middlesex County clerk. Property values are set by the municipal tax assessor, and tax bills come from the municipal tax collector. Source: official state page.

How do I get a birth or death certificate in Middlesex County, New Jersey?

Certified birth and death certificates for New Jersey come from the New Jersey Department of Health, Office of Vital Statistics and Registry. Local Vital Records Offices in New Jersey municipalities also issue copies; their fees and processing times vary. Online or by phone through VitalChek, the vendor the office names, by mail with a check or money order payable to Treasurer, State of New Jersey, or by walk in at 140 E. Front Street, Trenton. Fee: $25 for the search and one certified copy, $2 for each added copy of the same record ordered at the same time (state office; fees vary by municipality).

How do I find business license records in Middlesex County, New Jersey?

Business entity filings are searched with the New Jersey Department of the Treasury, Division of Revenue and Enterprise Services.

Same county

Cities, towns and neighboring counties

Use the city page when a record was created by a municipal police department or city office; use the county page for courts, deeds, vital records and jail custody.

New BrunswickPerth AmboySayrevilleCarteretSouth PlainfieldColoniaIselinAvenelSouth RiverHighland ParkMetuchenFordsKendall ParkMonmouth JunctionSouth AmboyDaytonSpotswoodDunellenMilltownPort ReadingKeasbeySewarenHelmettaParlinUnion CountyRichmond County, New YorkMercer CountyMonmouth CountySomerset County