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Somerset County, New Jersey Public Records

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Find the right office in Somerset 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 Somerset 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 11 official sources

Official

Police & jail

Somerset County Sheriff's Department

The Somerset 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.

somersetcountynj.gov
Open official site Somerset County Sheriff's Department
Official

City records

Somerset County General Information

The Somerset 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.

co.somerset.nj.us
Open official site Somerset County General Information
Official

City records

Somerset County Election Board

The Somerset County Board of Elections holds the county's voter roll, takes new registrations and address changes, and runs the elections held in the county.

co.somerset.nj.us
Open official site Somerset County Election Board

Everything else, organized

More official Somerset County record sources

12 more Somerset County sources not listed above.

More county sources

Local record guide

About public records in Somerset County

County profile

Somerset County at a glance

State
New Jersey
County seat
Somerville
Population
345,361
Area
304 sq mi
Founded
1688
Cities and towns
26

Somerset County offices and records

Sheriff & Law Enforcement. Somerset County Sheriff's Office is responsible for maintaining law and order throughout Somerset County. The office is known for its community outreach programs and specialized divisions such as the K-9 unit and the Special Response Team.

Police Departments. Somerset County is served by Somerset County Sheriff's Office and several municipal police departments, including the Bridgewater Township Police Department, Franklin Township Police Department, and Hillsborough Township Police Department. Each department has jurisdiction over its respective county, while the Sheriff's Office handles law enforcement in unincorporated areas.

Law Enforcement & Arrests. Somerset County Sheriff's Office, headquartered at 20 Grove Street, Somerville, NJ 08876 (908-231-7810), is the primary law enforcement arm of Somerset County judicial system. The Sheriff's Office page gives jail information; there is no online inmate search. The jail maintains a 24-hour information line at 908-231-7105 for inmate inquiries. Municipal police departments serve the individual municipalities within Somerset County, including the Bridgewater Police Department, Franklin Township Police, Hillsborough Police Department, Somerville Police Department, Bound Brook Police, Bernardsville Police, Warren Township Police, Montgomery Township Police, Raritan County Police, and Manville Police Department, among others serving Somerset County's 21 municipalities. Arrest records in Somerset County are subject to New Jersey's Open Public Records Act (OPRA), codified at 47:1A-1 et seq, which provides broad public access to government records with specific exemptions for ongoing investigations and certain personal information. Somerset County Prosecutor's Office (908-231-7100) handles major criminal investigations and prosecutions throughout Somerset County.

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

Mugshots & Booking Photos. Mugshots in Somerset County are taken and retained by Somerset County Sheriff's Office during the booking process. These booking photos are part of the public record and can be searched through the Sheriff's Office website or requested directly from the office.

Somerset County Planning Board at 20 Grove Street reviews major site plans and subdivisions of county significance. Sales tax permits are issued by the New Jersey Division of Revenue and Enterprise Services (609-292-6400). The Superior Court of New Jersey, Somerset County Vicinage, is located at 20 North Bridge Street, Somerville, NJ 08876 (908-231-7000) and is the general jurisdiction trial court for Somerset County. The Somerville Municipal Court is located at 25 West End Avenue, while Bridgewater Municipal Court sits at 100 Commons Way, and each county maintains its own court schedule and procedures. Somerset County Surrogate's Court at 20 Grove Street, Somerville (908-231-7003) has exclusive jurisdiction over probate matters, including wills, estate administration, and guardianships. Elections in Somerset County, New Jersey are administered by Somerset County Clerk's Office, Elections Division, located at 20 Grove Street, Somerville, NJ 08876. The Elections Division can be reached at 908-231-7019 and maintains information at www.co.somerset.nj.us/government/county-clerk/elections. Somerset County Division of Economic Development & Planning (908-231-7021) provides resources for business attraction, retention, and expansion.

Abandoned mine records

Old mine workings in Somerset County

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

From the old mine records

What is on record in Somerset County

Old mine sites
35
Still producing
16
Worked underground, in the mine records
5
Main minerals
crushed stone; Copper; Iron
Holes drawn on the old survey maps
22
Shafts and tunnels
0
What they are
quarry, open pit mine or quarry, gravel pit
Maps surveyed
1947 to 1995
Records behind them
75 records for 73 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 51 named mine sites inside the county, 35 of them worked out or abandoned; the old survey maps add 22 holes drawn inside the county, 0 of them shafts or tunnels. The minerals the records name are crushed stone; 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
Somerset 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 Somerset County (51 shown, 22 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

Somerset County public-records FAQs

Open only the answer you need.

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

Booking photos are kept by the agency that made the arrest, such as the Somerset County Sheriff or a city police department in Somerset 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 Somerset 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 Somerset 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 Somerset 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 Somerset County, New Jersey?

Deeds and other recorded land documents in Somerset County are kept by the Somerset 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 Somerset 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 Somerset 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.

BridgewaterNorth PlainfieldFranklin ParkSomervilleMartinsvilleBound BrookBound BrookManvilleBasking RidgeBernardsvilleWatchungBelle MeadLyonsNeshanic StationSouth Bound BrookGladstonePeapackLiberty CornerKingstonFlagtownFar HillsRocky HillPluckeminSkillmanBlawenburgZarephathUnion CountyMercer CountyHunterdon CountyMiddlesex CountyMorris County