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Legal Separation and Annulment in New Mexico

Whether New Mexico offers legal separation, how it differs from divorce, and the grounds for an annulment.

Short answer: Available. When spouses have permanently separated and no longer live together, either may ask the district court to divide property, decide custody of the children, or award support without seeking a divorce. NMSA 1978 §§ 40-4-3, 40-9-2

Legal separationAvailable. When spouses have permanently separated and no longer live together, either may ask the district court to divide property, decide custody of the children, or award support without seeking a divorce. Legal separation judgments are also referenced in the grandparent visitation statute.
NMSA 1978 Chapter 40 (Domestic Affairs) on NMOneSource, the official New Mexico Compilation Commission site.
AnnulmentAccording to the courts' self-help page, an annulment declares that the marriage lacks legal validity, and grounds include underage marriage, mental incapacity, or fraud. By statute, a marriage between relatives within the prohibited degrees or involving a person under the prohibited age can be declared void only by a district court decree.

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FAQ

Can you get a legal separation in New Mexico?
Available. When spouses have permanently separated and no longer live together, either may ask the district court to divide property, decide custody of the children, or award support without seeking a divorce. Legal separation judgments are also referenced in the grandparent visitation statute.
What are the grounds for annulment in New Mexico?
According to the courts' self-help page, an annulment declares that the marriage lacks legal validity, and grounds include underage marriage, mental incapacity, or fraud. By statute, a marriage between relatives within the prohibited degrees or involving a person under the prohibited age can be declared void only by a district court decree.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.