© 2026 SimplyTrust Software Inc.
A step-by-step guide to filing at the Doña Ana County Probate Court—what documents you'll need, where to go, and what happens after you file.
Probate cases in Doña Ana County are filed at the Doña Ana County Probate Court. File in person during business hours or by mail. The court sits in the 3rd Judicial District.
How to File Your Documents
You can file your probate documents in person at the court or by mail.
Not every estate requires an attorney. Factors like estate size, asset types, and whether beneficiaries agree can determine if self-filing at the Doña Ana County Probate Court is realistic for your situation.
Self-represented filers handle estate matters with or without a will; the office links probate forms packets (with-will and no-will).
For a detailed cost comparison and filing checklist, see the full Doña Ana County Self-Filing Assessment.
These are specific requirements for filing probate in this county. Following these guidelines will help avoid delays or rejected filings.
Walk-in visits welcome; no appointment required. Handles estate matters with or without a will.
SourceThe Doña Ana County Probate Court is located at 845 N. Motel Blvd., Room 1-201, Las Cruces, NM 88007. Phone: 575-525-6132. Hours: Office: Monday - Friday, 9:00 AM - 3:00 PM. Judge available Tuesday - Thursday, 1:00 PM - 5:00 PM..
Before You Go
You can file in person without an appointment. Walk-in filing welcome during office hours; no appointment needed.
To file at the Doña Ana County Probate Court you need: the original will (or proof there isn't one), a certified death certificate, contact information for all heirs and beneficiaries, and a summary of what the estate owns and owes.
Additional resources, forms, and fee schedules are available on the Doña Ana County Probate Court website.
Court information verified June 4, 2026 · Source
You open probate by filing a petition with the Doña Ana County Probate Court in Doña Ana County, attaching the original will (if any), the death certificate, and the filing fee ($132). Once the court issues letters, the personal representative can act.
At minimum: petition for probate, application for letters testamentary or of administration, notice to heirs, and an oath for the personal representative. Doña Ana County uses the standard New Mexico probate forms — the court's website lists the current versions.
New Mexico allows informal (unsupervised) probate, which many families handle themselves for simple estates. The Doña Ana County Probate Court in Doña Ana County does not require attorney representation. Use the New Mexico self-filing assessment to see if your estate qualifies.
Doña Ana County typically requires in-person or mail filing for probate petitions. Check the court's website for the latest procedures — some counties have added e-filing for specific document types.
Assets stay locked, creditors can still pursue them, and beneficiaries cannot sell real property or close accounts. After a few years, interested parties can petition to open probate themselves. Waiting rarely helps. Families who set up a revocable living trust ahead of time bypass this problem entirely.
Doña Ana County
845 N. Motel Blvd., Room 1-201
Las Cruces, NM 88007
Phone:
575-525-6132Fax:
575-525-6159
Email:
judithb@donaana.govHours:
Office: Monday - Friday, 9:00 AM - 3:00 PM. Judge available Tuesday - Thursday, 1:00 PM - 5:00 PM.
Each institution has a separate death claim process. Find yours below.
Get a complete guide for your specific circumstances.

Being named executor means navigating probate, managing assets, and distributing the estate. What's expected, what you can charge, and how to start.
Learn more
Losing a parent is overwhelming. What needs to happen next — settling the estate, navigating probate, and the steps to move forward.
Learn moreTotal probate assets (exclude beneficiary-designated accounts)
Enter your state and estate value to get a personalized recommendation with estimated cost savings.
Score-based assessment with reasoning
Cost comparison vs. hiring an attorney
This tool provides general information about self-filing probate and is not legal advice. Consult a licensed attorney in your state for guidance specific to your situation.