La Union, NM Public Records
La Union is an unincorporated community (a census-designated place) in Doña Ana County, New Mexico, with an estimated population of 1,071 (U.S. Census Bureau, 2020–2024 American Community Survey) and 4.1 square miles of land.
🏢 Local Government for La Union
La Union is not an incorporated city or town, so it has no city hall, town clerk or local government of its own. Local government services and records for La Union come from Doña Ana County. Birth and death certificates, marriage records, deeds and court files come from the county and state offices below.
Population figure: U.S. Census Bureau, 2020–2024 American Community Survey 5-year estimate for the La Union census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for La Union
La Union is in Doña Ana County. In New Mexico, deeds, mortgages and other land records are recorded by the County Clerk. Divorce cases in New Mexico are heard by the District Court in each county. Wills and estates in New Mexico are handled by the Probate Court or the District Court in each county.
📍 Doña Ana County at a Glance
| County | Doña Ana County |
| County population (2024 est.) | 229,366 Source: www2.census.gov ↗ |
⚖️ Doña Ana County District Court (Third Judicial District Court)
| Address | 201 W. Picacho Ave., Las Cruces, NM 88005 |
| Directions | Get directions ↗ |
| Phone | (575) 528-8316 |
| Hours | Monday through Friday: 8 a.m. to 4 p.m. (open during the lunch hour) |
| Records available | New Mexico District Court case records for the county (civil, criminal, domestic relations, probate, children’s court) |
| Official website | thirddistrict.nmcourts.gov |
| Sources | thirddistrict.nmcourts.gov/…/location-hours-contacts ↗ |
| Last verified | October 17, 2026 |
See the full Doña Ana County records page →
↑ Back to record types📋 Where to Get Records for La Union
Where to get the most-requested public records for people and property in La Union, NM:
📋 La Union Records Guide
| Birth & death certificates | New Mexico Department of Health – Bureau of Vital Records and Health StatisticsCertified birth and death certificates for New Mexico are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In New Mexico, deeds, mortgages and other land records are recorded by the County Clerk. |
| Court cases & divorce | Doña Ana County courthouse. Divorce cases in New Mexico are heard by the District Court in each county. |
| Wills & estates | Wills and estates in New Mexico are handled by the Probate Court or the District Court in each county. |
| State court system | New Mexico Courts |
| Sex offender registry | National Sex Offender Public Website (U.S. Department of Justice), which searches the New Mexico registry |