Key Takeaways

  • New Mexico is a community property state - property acquired during marriage is presumed owned equally by both spouses
  • Separate property includes property owned before marriage and gifts/inheritances received individually
  • New Mexico recognizes various types of property ownership including tenancy in common, joint tenancy, and community property
  • Water rights are particularly important in New Mexico due to the arid climate
  • The State Engineer administers water rights in New Mexico
Last updated: January 2026

New Mexico Property Law Concepts

New Mexico has unique property law concepts that affect real estate transactions.

Community Property State

New Mexico is one of nine community property states in the United States.

Community Property Basics

Property TypeDefinition
Community PropertyProperty acquired during marriage by either spouse
Separate PropertyProperty owned before marriage, or received as gift/inheritance

Community Property Presumption

In New Mexico, property acquired during marriage is presumed to be community property:

  • Both spouses have equal ownership (50/50)
  • Both spouses must sign to sell community property
  • Applies regardless of whose name is on title

Separate Property

Property remains separate if:

SituationStatus
Owned before marriageSeparate property
Received as gift during marriageSeparate property
Received as inheritanceSeparate property
Purchased with separate fundsSeparate property (if documented)

Exam Tip: Even in a community property state, property can be held as separate property if properly documented.

Implications for Real Estate

SituationRequirement
Selling community propertyBoth spouses must sign
Listing community propertyBoth spouses should sign listing
Mortgage on community propertyBoth spouses typically required

Types of Ownership in New Mexico

Sole Ownership

One person owns the entire property:

  • Single person
  • Married person holding separate property

Tenancy in Common

Two or more owners with:

  • Undivided interest in property
  • Unequal shares allowed
  • No right of survivorship - interest passes to heirs
  • Each owner can sell or transfer their interest

Joint Tenancy

Two or more owners with:

  • Equal shares required
  • Right of survivorship - surviving owner(s) inherit
  • Requires four unities: time, title, interest, possession
  • Severing joint tenancy converts to tenancy in common

Water Rights in New Mexico

Water rights are critically important in New Mexico due to the arid climate.

Prior Appropriation Doctrine

New Mexico follows the prior appropriation doctrine (not riparian rights):

PrincipleMeaning
"First in time, first in right"Earlier appropriators have senior rights
Beneficial useWater must be used for beneficial purpose
Use it or lose itWater rights can be lost through non-use

State Engineer

The New Mexico State Engineer administers water rights:

FunctionDescription
PermitsIssues permits for new water uses
TransfersApproves transfer of water rights
AdjudicationDetermines priority of rights
EnforcementEnforces water laws

Types of Water Rights

TypeDescription
Surface waterRivers, streams, lakes
GroundwaterWells, underground aquifers
Domestic wellLimited use for household purposes

Real Estate Implications

ConsiderationDetails
Transfer with propertyWater rights may or may not transfer with land
Due diligenceVerify water rights before purchase
DisclosureMaterial fact affecting value
Well permitsRequired for new wells

Important: Water rights in New Mexico can be severed from land and sold separately. Always verify water rights status.

Other New Mexico Property Concepts

Homestead Protection

New Mexico provides limited homestead protection:

  • Protects home equity from certain creditors
  • Does NOT prevent voluntary sale
  • Does NOT apply to mortgages or tax liens

Community Property with Right of Survivorship

A special form of community property where:

  • Property passes automatically to surviving spouse
  • Avoids probate
  • Must be specifically created in the deed

Deeds in New Mexico

Deed TypeWarranty Provided
General Warranty DeedFull warranties
Special Warranty DeedLimited warranties (grantor's ownership period)
Quitclaim DeedNo warranties
Loading diagram...
New Mexico Property Ownership Types
Test Your Knowledge

New Mexico is a community property state. What does this mean for property acquired during marriage?

A
B
C
D
Test Your Knowledge

What doctrine governs water rights in New Mexico?

A
B
C
D
Test Your Knowledge

Which of the following is considered SEPARATE property in a New Mexico marriage?

A
B
C
D