New Jersey, county records

Union County, New Jersey Public Records

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Find the right office in Union 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 Union 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

City records

Gateway Chamber of Commerce

The Gateway Chamber of Commerce, with its office in Springfield, has served businesses across Union County since 1911 and lists its members and its events.

gatewaychamber.com
Open official site Gateway Chamber of Commerce

Everything else, organized

More official Union County record sources

12 more Union County sources not listed above.

More county sources

Local record guide

About public records in Union County

County profile

Union County at a glance

State
New Jersey
County seat
Elizabeth
Population
575,345
Area
105 sq mi
Founded
1857
Cities and towns
14

Union County offices and records

Sheriff & Law Enforcement. Union County Sheriff's Office is responsible for maintaining law and order throughout Union County.

Police Departments. Union County is served by several law enforcement agencies, including Union County Sheriff's Office and municipal police departments such as the Elizabeth Police Department, Plainfield Police Department, and Union Township Police Department.

Law Enforcement & Arrests. Union County Sheriff's Office, located at Union County Courthouse Complex at 2 Broad Street, Elizabeth, NJ 07207, provides law enforcement services countywide. Inmate lookup is available through Union County Sheriff's Office website, where the public can search for current inmates by name or booking number. Arrest records and police reports in New Jersey are subject to the Open Public Records Act (OPRA), 47:1A-1 et seq.

Arrest Records. Arrest records in Union County are maintained by Union County Sheriff's Office and the various municipal police departments within Union County.

Mugshots & Booking Photos. In Union County, mugshots are taken and retained by Union County Sheriff's Office during the booking process. These booking photos are part of the arrest record and can be accessed through the Sheriff's Office or through third-party public records websites.

Abandoned mine records

Old mine workings in Union County

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

From the old mine records

What is on record in Union County

Old mine sites
6
Sites with no status in the records
5
Still producing
3
Main minerals
crushed stone; Iron
Holes drawn on the old survey maps
4
Shafts and tunnels
0
What they are
quarry
Maps surveyed
1947 to 1955
Sources
USGS mineral file and USGS topographic mine features

Is an old working under a property here?

The mine records hold 14 named mine sites inside the county, 6 of them worked out or abandoned; the old survey maps add 4 holes drawn inside the county, 0 of them shafts or tunnels. The minerals the records name are crushed stone; 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
Union 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 Union County (14 shown, 4 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

Union County public-records FAQs

Open only the answer you need.

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

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

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

ElizabethPlainfieldLindenWestfieldRahwaySummitRoselleRoselle ParkNew ProvidenceKenilworthFanwoodMountainsideVauxhallGarwoodRichmond County, New YorkMiddlesex CountyMorris CountyEssex CountyHudson CountySomerset County