Divorce in New Mexico

How to file for divorce in New Mexico

1. Check residency. 6 months in New Mexico immediately before filing, with intent to remain (domicile).
2. Prepare and file the Petition for Dissolution of Marriage (Form 4A-102 without children, 4A-103 with children) with the District Court in your county. The filing fee is typically $135 to $155, and you can ask for a fee waiver if you cannot afford it.
3. Serve your spouse, or have them sign an acceptance of service, and file proof of service.
4. Exchange financial disclosures. Both spouses must exchange financial information covering income, expenses, assets, and debts within 45 days of filing.
5. Settle the issues in a written agreement, and a parenting plan if you have children.
6. Wait out the waiting period. 30 days after service, waivable by the respondent in uncontested cases with no minor children; joint filing removes the requirement entirely. Then ask the court for your final judgment.

Residency and grounds

Residency: 6 months in New Mexico immediately before filing, with intent to remain (domicile).

Grounds: No-fault and fault. Most people still file on no-fault grounds, which is simpler and usually cheaper.

Separation: None required before filing.

How property is divided

New Mexico is a community property state. Most property and debt acquired during the marriage belongs to both spouses equally and is generally divided equally. Property owned before marriage, and gifts or inheritances to one spouse, are usually separate. Read community property and equitable distribution.

Custody and child support

Parenting terms: New Mexico uses the terms parenting time and decision-making responsibility. Every decision is made in the child's best interests.

Parenting class: Varies by judicial district; many districts require a court-approved parenting class in cases with minor children.

Child support: New Mexico uses the income shares model, which combines both parents' incomes, estimates what parents at that income usually spend on children, and divides that amount by each parent's share of income. Try the child support calculator.

Spousal support

Spousal support is not automatic; courts weigh ten statutory factors, with the length of the marriage being the most significant.

Estimate a range with the spousal support calculator, then have a lawyer check it if the numbers are large.

Faster and simpler options

New Mexico does not have a separate simplified procedure, but an uncontested divorce with a signed agreement is fast and inexpensive.

Legal separation: available in New Mexico, for couples who want support and parenting orders without ending the marriage.

How long it takes

The minimum is set by the waiting period: 30 days after service, waivable by the respondent in uncontested cases with no minor children; joint filing removes the requirement entirely. A typical timeline is 1 to 3 months from filing to final decree for an uncontested case. Agreement is what moves the date most; contested cases add months of disclosures, discovery and hearings.

Worth knowing in New Mexico

• New Mexico is a community property state; assets and debts from the marriage are divided equally by default.
• Incompatibility is the primary no-fault ground; fault grounds exist but are rarely used.
• Legal separation can be filed immediately and later converted into a full divorce.

Some local details vary by county in New Mexico, including parenting course. Check with your county clerk.

Official resources

Official forms and instructions come from New Mexico's courts. Sources we reviewed:

• selfrepresentation.nmcourts.gov

Last reviewed September 2026. Laws and fees change; confirm with your court before you file.