New to estate planning? Here's the simple version

What Happens If You Die Without a Will in New Mexico?

Dying without a will in New Mexico triggers NMSA 45-2-102 and its community property rules. See exactly how your spouse and children would split your estate.

What Happens If You Die Without a Will in New Mexico?
The short version

Dying without a will in New Mexico triggers NMSA 45-2-102 and its community property rules. See exactly how your spouse and children would split your estate.

If you die without a will in New Mexico, NMSA 45-2-102 decides who inherits your property, and the split depends heavily on whether your assets are community or separate property, especially with children from an earlier relationship. This intestate succession process follows state law. See the New Mexico estate planning guide for your options.

A signed will lets you override these default rules. Here is exactly how New Mexico divides an estate with no will, scenario by scenario.

Key Takeaways

  • NMSA 45-2-102 splits New Mexico's intestacy rules along community property and separate property lines, which most other states do not do.
  • Your spouse automatically keeps their half of community property and inherits your half of it too, regardless of children.
  • For your separate property, a spouse with surviving children only gets one-fourth, with the children splitting the remaining three-fourths.
  • With no surviving spouse or children, your estate passes to your parents, then siblings, then more distant relatives.

Who Inherits Your Property in New Mexico Without a Will?

New Mexico is a community property state, and NMSA 45-2-102 treats community property and separate property differently. Most married couples' homes, wages, and joint savings earned during the marriage count as community property.

If You Have a Spouse and No Children

Your spouse inherits your entire share of both community property and separate property when you have no surviving descendants.

If You Have a Spouse and Children You Share Together

Your spouse automatically keeps their own half of the community property and inherits your half of it as well, so community assets generally stay with your spouse regardless of children. For your separate property, your spouse receives one-fourth and your children divide the remaining three-fourths equally.

If You Have a Spouse and Children From Another Relationship

The same community and separate property rules apply. Your spouse still keeps their community property interest and inherits your community property share, but your separate property splits with your spouse taking one-fourth and your children, including those from an earlier relationship, dividing the other three-fourths.

If You Have Children and No Spouse

Your children inherit your entire estate, dividing it equally by representation, meaning a deceased child's own children step into their parent's share.

If You Have No Spouse and No Children

Your estate passes to your parents in equal shares. If neither survives, it goes to your siblings and their descendants. With no siblings, it passes to your grandparents and their descendants, and only escheats to the state of New Mexico if no qualifying relative can be found.

What Assets Skip New Mexico Intestacy Entirely?

Not everything you own runs through New Mexico's intestacy formula. Retirement accounts and life insurance policies with a named, living beneficiary pass directly to that person, regardless of what the intestacy statute says. Property you own jointly with a right of survivorship, and bank or brokerage accounts set up as payable-on-death or transfer-on-death, work the same way, passing straight to the surviving co-owner or named beneficiary outside of probate.

This matters because it means intestacy usually only decides what happens to the assets you never got around to titling or designating a beneficiary for, most often a primary residence, a car, or a checking account still in your name alone. For a lot of families, that leftover category still includes the family home, which is exactly why the distribution rules above matter as much as they do.

Worth checking now, before any of this becomes relevant: whether every account you hold actually lists a current beneficiary, and whether an old designation from a divorce or a relationship that ended years ago is still on file with the bank or insurance company. That single detail can override even a carefully written New Mexico will, since a designated beneficiary is paid directly and never passes through the will at all.

What Does Dying Without a Will Actually Cost Your Family in New Mexico?

The community versus separate property split sounds simple on paper, but sorting out which asset falls into which category after a death is often a genuine dispute, especially for a home bought before the marriage but paid down with marital income during it. That kind of disagreement plays out in New Mexico probate court, adding time and legal fees a valid will generally sidesteps. See how long New Mexico probate takes for the realistic timeline.

For blended families specifically, the one-fourth separate property share can leave a surviving spouse with far less than either partner assumed, while children from an earlier relationship inherit a share of separate property they may not have expected to split so evenly.

How to Make Sure Your Wishes Control What Happens

A signed New Mexico will lets you decide exactly how your community and separate property gets divided, instead of leaving that call to a formula that was not built around your specific family. See write a valid will in New Mexico for New Mexico's execution requirements, and common New Mexico will mistakes for the errors that most often invalidate a homemade will.

Our guide on 5 reasons not to die without a will covers the broader risks intestacy creates beyond just these percentages.

FastWill's will package is built to help you put a valid New Mexico will in place, naming your own beneficiaries and executor instead of relying on a fixed statutory formula.

Frequently Asked Questions

Does my spouse automatically inherit everything in New Mexico if I die without a will?

Your spouse automatically keeps their community property interest and inherits yours, but if you have children, your separate property splits, with your spouse receiving one-fourth and your children dividing the rest.

What counts as community property in New Mexico?

Generally, most income earned and assets acquired by either spouse during the marriage, including a home purchased with marital income. Property owned before the marriage, or received individually as a gift or inheritance, is typically separate property.

Do stepchildren inherit under New Mexico intestacy law?

No, unless you legally adopted them. Only biological and legally adopted children count as your descendants for intestacy purposes.

Can an unmarried partner inherit in New Mexico without a will?

No. New Mexico intestacy law does not recognize unmarried partners. A will or beneficiary designation is the only way to leave property to a partner you are not legally married to.

How do I avoid New Mexico's intestacy rules?

Sign a valid New Mexico will or fund a living trust naming your own beneficiaries, so your own choices control your estate instead of the state's default community and separate property formula.

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About the author
Zach Tsakiris, Founder & CEO, FastWill
Zach Tsakiris

Founder & CEO, FastWill

Born in Dallas and based in Manhattan, Zach became a top financial advisor in estate planning. He founded FastWill to simplify the process for clients and advisors. As the world goes digital, he envisions estate planning's future online and aims to make FastWill the industry leader.

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