New Jersey, county records

Union County, New Jersey Public Records

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, with addresses and phone numbers.

Official sources first Free directory Links checked Sep. 13, 2026 Mobile friendly

Start here

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.

Filter by type

Showing 12 official sources

Local record guide

About public records in Union County

Useful local context without burying the official record links above.

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.

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?

Mugshots or booking photos in Union County, New Jersey, can be obtained from the Union County Sheriff's Office. They may provide access to these records through their official website or upon request at their office. It's important to note that availability may vary, and some records might not be accessible online due to privacy regulations.

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

To obtain a criminal background check in Union County, New Jersey, you should contact the New Jersey State Police, which handles these requests through their Criminal Information Unit. You can apply for a background check online via the New Jersey State Police website or by visiting a local police department in Union County. The process typically requires submitting fingerprints and paying a fee.

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

You can look up sex offenders in Union County, New Jersey, by accessing the New Jersey Sex Offender Internet Registry. This registry is maintained by the New Jersey State Police and provides information on registered sex offenders throughout the state, including Union County. The registry is searchable by name, location, or proximity to a specific address.

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

Voter registration in Union County is handled by the Union County Clerk's Office, Elections Division, at (908) 527-4996. New Jersey residents can register to vote online at voter.svrs.nj.gov, in person at the County Clerk's office at 2 Broad Street in Elizabeth, or by mail using a voter registration form. The registration deadline is 21 days before any election, though same-day registration is available during the early voting period. Vote-by-mail ballot applications are available through the County Clerk's website or by calling the Elections Division.

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

Property records in Union County are maintained by the Union County Register of Deeds and Mortgages at the County Courthouse, 2 Broad Street, Elizabeth, phone (908) 527-4787. The county provides a free online property records search at www.ucnj.org where you can search by owner name, address, or block and lot number to view deeds, mortgages, liens, and other recorded documents. Property tax assessment information is available through the County Tax Administrator and municipal tax assessors. The county also offers a GIS mapping system for parcel information and zoning details.

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

Birth and death certificates for events occurring in Union County can be requested through the Union County Clerk's Office at 2 Broad Street, Elizabeth, NJ 07207, phone (908) 527-4787, or the New Jersey State Registrar in Trenton. The fee is $25.00 for a certified copy, with additional copies costing $2.00 each when ordered simultaneously. Processing time is typically same-day for in-person requests if the record is available, or 2-4 weeks for mail requests. Online ordering is available through VitalChek at www.vitalchek.com with additional service fees, and applicants must provide valid identification and proof of eligibility.

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

Business records in Union County can be found through multiple sources depending on the business type. The Union County Clerk's Office at (908) 527-4787 maintains trade name (DBA) certifications for businesses operating under assumed names. For business entity searches including corporations and LLCs, use the New Jersey Division of Revenue's free online database at www.nj.gov/treasury/revenue. Municipal business licenses and zoning permits are handled by individual municipalities. Professional licenses are searchable through the New Jersey Division of Consumer Affairs at www.njconsumeraffairs.gov.

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.