Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 24, 2026 and October 11, 2026.
Union County, New Mexico, has about 3,900 residents (2024 Census Bureau estimate). Its court cases are filed in the District Court for Union County and the Magistrate Court, and the file of each case, kept by the Clerk of the District Court, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, directory links, cities and common questions.
Related guides: Union County public records, Union County arrest records, Union County warrants, Union County inmate search, Union County criminal records, New Mexico arrest records and New Mexico inmate search.
The Courts That Hear Cases from Union County
Court cases from Union County are filed in the District Court for Union County, which hears felonies, civil cases, divorces, probate and juvenile matters.
The Magistrate Court takes misdemeanors, traffic cases and civil cases up to $10,000; Bernalillo County has the Metropolitan Court instead.
A city with a municipal court of its own tries the tickets written under its ordinances.
Divorces go to the District Court, and the file stays with the Clerk of the District Court.
The Clerk of the District Court keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Inspection of Public Records Act.
Looking Up a Case from Union County
For Union County, SearchSystems opened and checked the court records page for the county at unionnm.us/clerks-office-1 (page title: Union County, NM), phone 575-374-2331, 200 Court Street Clayton NM 88415, which answered when SearchSystems opened it on October 11, 2026.
Statewide, New Mexico Courts Case Lookup is the New Mexico Judiciary's free statewide case search.
The New Mexico court page SearchSystems verified is at nmcourts.gov/public-records.
What Reaches the Court from Union County
Clayton reported 57 arrests to the FBI for 2025; the District Attorney decides which of those arrests become cases in the District Court for Union County or the Magistrate Court.
The District Attorney's page SearchSystems verified is at 8thda.com (page title: Office of the Eighth Judicial District Attorney | Marcus J. Montoya), which answered when SearchSystems opened it on September 24, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the New Mexico Motor Vehicle Division, and an eviction or a lien on land.
The other Union County guides take the kinds of file one at a time: Union County criminal records, Union County divorce records, Union County traffic tickets, Union County DUI and Union County property records.
More Official Court Pages for Union County
The SearchSystems directory, online since 1997, lists the official pages for Union County and New Mexico. These court pages from its Union County listing were opened again on October 2, 2026 and each one still answers:
- NM Case Lookup (caselookup.nmcourts.gov)
Cities in Union County
Wherever in the county a case arises, it is filed in the District Court for Union County or the Magistrate Court; tickets under a city's own ordinances go to its municipal court where it has one.
The cities and towns in the county are Clayton, Des Moines, Folsom and Grenville.
Frequently Asked Questions
How do I look up a court case in Union County?
The court records page SearchSystems verified for the county is at unionnm.us/clerks-office-1, phone 575-374-2331. Statewide, New Mexico Courts Case Lookup is the New Mexico Judiciary's free statewide case search.
Which court hears felonies in Union County?
The District Court for Union County, which hears felonies, civil cases, divorces, probate and juvenile matters. The Magistrate Court takes misdemeanors, traffic cases and civil cases up to $10,000; Bernalillo County has the Metropolitan Court instead.
Who keeps the court records in Union County?
The Clerk of the District Court. Copies come from that office under the court's own rules.
Is there a statewide court case search in New Mexico?
Yes: New Mexico Courts Case Lookup, the New Mexico Judiciary's free statewide case search.
Is this the official Union County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.