Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.
Union County is a county in New Jersey with about 594,000 residents (2024 Census Bureau estimate). Its public records are not in one place: court cases, jail bookings, deeds, property values and records requests each belong to a different office. This guide names the office that holds each kind of record, links to its own website and gives the phone number and address where the office publishes them. SearchSystems verified 5 county office pages for Union County, every one opened and checked, and lists 2 more whose site blocks automated checks.
In this guide: Where the records live, Jail and arrests, Court records, County Clerk, Deeds and property, Vital records, County Prosecutor, Records requests, Statewide sources, More directory links, Cities and towns, Other counties and Questions.
Where Union County public records live
Each kind of Union County record is kept by a different office. The list below names the office SearchSystems verified for each one; the sections that follow give its phone, address and hours where the office publishes them.
- Arrests and jail bookings: unioncountynj.org (details)
- Court cases: njcourts.gov/public/find-a-case (details)
- County records: ucnj.org/county-clerk (details)
- Deeds and recorded documents: clerk.ucnj.org/UCPA/DocIndex?s=name (details)
- Property values and parcels: unionil.devnetwedge.com (details)
- Criminal prosecutions: unioncountynj.org/Prosecutor/direct.htm (details)
- Public records requests: clerk.ucnj.org (details)
- Birth and death certificates: the New Jersey state vital records office, nj.gov/health/vital/order-vital (details)
Arrests, jail and inmate lookups in Union County
A person arrested in Union County is booked into the jail, and the booking record (name, charges, bond and the next court date) is public in most cases. The office below is the one SearchSystems verified for jail and inmate information in Union County.
- Website: unioncountynj.org
- Checked: October 4, 2026, the site did not answer our automated check (HTTP 403); open it directly in a browser.
Jail rosters usually show the people in custody now. Once a person is released, the case continues in the court records below.
Court records and case lookups in Union County
Civil, criminal, family, probate and traffic cases filed in Union County are kept by the clerk of the court that heard them. Many courts offer an online case search; the page below is the one SearchSystems verified for Union County.
- Website: njcourts.gov/public/find-a-case (page title: Find a Case)
- Checked: September 23, 2026, the page answered.
- Statewide court case search: njcourts.gov/public
County Clerk of Union County
The county clerk is the county's record keeper. What the office holds differs by state: in some states it files marriage licenses and vital records, in others deeds, court papers or the meeting records of the governing board. Its own website below says what it holds in Union County.
- Website: ucnj.org/county-clerk (page title: County Clerk | County of Union, New Jersey)
- Phone: 908-527-4787
- Address: 300 North Avenue East, Westfield, NJ 07090
- Hours: Monday through Friday 7:30 am to 4:00 pm
- Checked: September 30, 2026, the page answered.
Deeds, land records and property values in Union County
Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in Union County. The assessment office sets the taxable value of each parcel and usually offers a free parcel search by address or owner name.
Recorded documents: County Clerk (records)
- Website: clerk.ucnj.org/UCPA/DocIndex?s=name (page title: Union County Clerk's Office Public Land Records)
- Checked: September 23, 2026, the page answered.
Property values: Tax Assessor
- Website: unionil.devnetwedge.com (page title: Union County Property Tax Inquiry)
- Checked: September 23, 2026, the page answered.
Birth, death and marriage records in Union County
In New Jersey, certified birth and death certificates are ordered from the state vital records office rather than a county office. Marriage license records are kept locally; the county clerk listed above can say where in Union County.
- New Jersey state vital records office: nj.gov/health/vital/order-vital
County Prosecutor for Union County
The County Prosecutor is the office that prosecutes criminal cases in Union County. The case files themselves are court records (above); the prosecutor's office handles victim services and questions about pending prosecutions.
- Website: unioncountynj.org/Prosecutor/direct.htm
- Checked: October 11, 2026, the site did not answer our automated check (HTTP 403); open it directly in a browser.
Public records requests to Union County
Every state has a public records law that applies to county offices. A record that is not posted online is requested from the office that holds it. Many counties run one request page for every department; it is listed below when SearchSystems verified one for Union County.
- Website: clerk.ucnj.org (page title: Redirecting to UCPA)
- Checked: September 23, 2026, the page answered.
Statewide New Jersey sources
Some records are kept by the state rather than the county. These are the New Jersey state offices SearchSystems verified; each link opens the state office's own page.
- Statewide court case search: njcourts.gov/public
- State prison inmate locator: www20.state.nj.us/DOC_Inmate/inmatefinder?i=I
- Sex offender registry: njsp.njoag.gov/nj-sex-offender-registry
- State vital records office: nj.gov/health/vital/order-vital
- State criminal history records: njsp.njoag.gov/criminal-history-records
- Business entity search: njportal.com/DOR/BusinessNameSearch
- Unclaimed property search: unclaimedfunds.nj.gov/app/claim-search
More Union County links from the SearchSystems directory
These links come from the SearchSystems directory for Union County and were opened again on October 2, 2026. Each one still answers.
- Department of Health for the State of New Jersey (nj.gov)
- NJDOBI | Consumer Information - Financial Institutions (nj.gov)
- Search Help - Union County Clerk's Office Public Land Records (clerk.ucnj.org)
- Union County (nj.gov)
Cities and towns in Union County
Union County has 13 incorporated cities and towns (2024 Census Bureau count, population in parentheses). City records such as council minutes, permits, business licenses and police reports are kept by each city; the records on this page are county records whatever the city. SearchSystems has a guide to the city offices of each linked city; the linked names open them.
Other counties in New Jersey
SearchSystems has a guide like this one for every county in New Jersey.
Union County Arrest Records
The Union County arrest records guide names the 26 agencies that report arrests to the FBI here and the 5,391 arrests the 20 agencies with every month of 2025 on file reported that year. It also says where a person arrested here is held, how to find out about an arrest and how to get a copy of the report.
Union County Records Guides
SearchSystems has nine more guides to Union County, each written from the county's own offices and figures: Union County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), Union County inmate search (the custody page of the Union County Sheriff's Office, the jail numbers and who books people), Union County criminal records (the court file, the New Jersey criminal history and the local arrest records), Union County court records (which court hears what, the case search and who keeps the files), Union County police reports (which agency holds a report and what the Open Public Records Act requires), Union County traffic tickets (which court takes the ticket, who writes them and the driving record), Union County DUI (the DWI law, the arrest, the court case and the license case), Union County divorce records (which court holds the file and how a certified copy is had) and Union County property records (deeds, assessed values, permits and evictions).
Frequently Asked Questions
Is this the official Union County website?
No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official offices listed above; SearchSystems does not hold records, charge for them or take requests.
Where do I look up a court case in Union County?
The court records page SearchSystems verified for Union County is at njcourts.gov/public/find-a-case. A case number finds a case fastest; a name search returns every case with that name.
Who records deeds in Union County?
The County Clerk (records), at clerk.ucnj.org/UCPA/DocIndex?s=name. Deeds, mortgages and liens on land in Union County are filed there.
How do I get a birth or death certificate for Union County?
From the New Jersey state vital records office at nj.gov/health/vital/order-vital, which issues certified copies for every event in the state.
How do I request a public record from Union County?
Through the records request page at clerk.ucnj.org. A record that is not covered there is requested from the office that holds it.
