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New Mexico

New Mexico state laws, regulations, court decisions, and active legislation

Capital: Santa FePopulation: 2,117,522
Federal & State Law Editorial TeamLast reviewed: April 2026

Overview

New Mexico's legal system reflects its multicultural heritage, including Native American, Hispanic/Latino, and Anglo-American traditions. The state has a unique relationship with its 23 sovereign tribal nations, creating complex jurisdictional issues. New Mexico legalized recreational cannabis in 2021 with comprehensive social equity provisions and automatic expungement of prior convictions.

The state's legal framework includes universal background checks for firearms, a red flag law, and a duty-to-retreat standard outside the home. New Mexico has significant legal activity around water rights, mineral extraction (oil and gas), and federal lands management.

Court Structure

New Mexico's court system includes magistrate courts, metropolitan courts (in Bernalillo County), district courts (organized into 13 judicial districts), the Court of Appeals, and the Supreme Court of New Mexico. Appellate and Supreme Court justices are initially appointed by the governor, then face partisan retention elections. District judges are elected in partisan elections.

Unique Laws & Facts

  • New Mexico has no statute of limitations for second-degree murder
  • The state recognizes community property in marriage
  • New Mexico's cannabis act includes automatic expungement of prior marijuana convictions
  • The state follows a duty-to-retreat standard outside the home — unusual in the West
  • New Mexico has 23 sovereign tribal nations, creating complex jurisdictional frameworks

Legal Landscape

New Mexico's legal landscape is shaped by its multicultural heritage, tribal sovereignty issues, and natural resource economy. The state has moderate firearms regulations, a progressive cannabis program, and significant legal activity around water rights, oil and gas extraction, and federal-tribal-state jurisdictional questions.

Key New Mexico Laws (25)

Cannabis Regulation Act

New Mexico allows adults 21+ to possess 2 ounces of cannabis and grow 6 mature plants. A 12% excise tax (rising to 18% by 2030) applies, plus optional local taxes. Prior cannabis convictions are automatically expunged. Social equity provisions support disadvantaged applicants.

§ 26-2C-6cannabiscriminal
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Concealed Carry and Background Check Requirements

New Mexico requires concealed carry permits but allows open carry. Universal background checks cover all sales. A red flag law exists. No assault weapon bans or magazine limits. The state follows a duty-to-retreat standard outside the home. No waiting period.

§ 30-7-2.2firearmscriminal
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Uniform Owner-Resident Relations Act – Security Deposits

New Mexico limits security deposits to one month's rent for leases under one year. Deposits must be returned within 30 days with itemized deductions. Anti-retaliation protections apply. 3 days' notice for non-payment eviction. No rent control exists.

§ 47-8-18tenant rightshousing
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Child Custody — Joint Custody Presumption

New Mexico presumes joint custody is in the child's best interest. Parenting plans must specify time-sharing and decision-making. No gender preference. Domestic violence creates a presumption against custody. Relocating 100+ miles requires 60 days' notice and court approval. Grandparent visitation is available in limited cases.

§ 40-4-9.1family lawcustodydomestic violence
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Unfair Practices Act — Consumer Protection

New Mexico's Unfair Practices Act prohibits deceptive trade practices. Consumers can recover actual damages or $100 minimum, with treble damages for willful violations. The AG can seek injunctions and penalties up to $5,000 per violation, or $10,000 for unconscionable practices targeting vulnerable consumers.

§ 57-12-3consumer protectionciviltrade
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Driving Under the Influence

New Mexico prohibits driving with a BAC of 0.08% or higher. First offenses bring up to 90 days jail and ignition interlock for 1 year. Fourth DWI is a felony with up to 18 months prison; seventh offense is a third-degree felony with 12 years.

N.M. Stat. Ann. § 66-8-102duicriminaltraffic
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Assault

New Mexico assault is attempted battery, threats causing fear of immediate harm, or insulting language attacking honor. Simple assault is a petty misdemeanor with up to 6 months jail. Aggravated assault with a weapon is a fourth-degree felony with 18 months prison.

N.M. Stat. Ann. § 30-3-1assaultcriminal
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Battery

New Mexico battery is intentional touching done rudely, insolently, or angrily. Simple battery is a petty misdemeanor with up to 6 months jail. Aggravated battery with a weapon or causing great harm is a third-degree felony with up to 3 years prison.

N.M. Stat. Ann. § 30-3-4batterycriminal
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Possession of Controlled Substances

New Mexico criminalizes drug possession without a prescription. Possessing cocaine, meth, or heroin is a fourth-degree felony (up to 18 months prison). Recreational marijuana up to 2 oz is legal for adults 21+. Drug courts offer treatment alternatives.

N.M. Stat. Ann. § 30-31-23drugscriminal
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Larceny

New Mexico larceny is graded by value: $250 or less is a petty misdemeanor; $250-$500 is a misdemeanor; $500-$2,500 is a fourth-degree felony; $2,500-$20,000 is third-degree; over $20,000 is a second-degree felony with 9 years prison.

N.M. Stat. Ann. § 30-16-1theftcriminal
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Grounds for Dissolution of Marriage

New Mexico is a no-fault community property divorce state. Grounds include incompatibility (most common) plus traditional fault. One spouse must be a 6-month resident. Marital property is presumed to be split equally. Mediation is required for custody disputes.

N.M. Stat. Ann. § 40-4-1divorcefamily
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Best Interest of the Child — Custody

New Mexico custody decisions follow the child's best interest, with a statutory presumption favoring joint custody. Detailed parenting plans address decisions, schedule, and dispute resolution. Domestic violence history is considered for child safety.

N.M. Stat. Ann. § 40-4-9.1custodyfamily
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Child Support Guidelines

New Mexico uses an income shares formula based on combined gross income, number of children, and parenting time. Adjustments for insurance and child care apply. The calculated amount is presumed correct. Modifications are available every 3 years.

N.M. Stat. Ann. § 40-4-11.1child supportfamily
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Minimum Wage

New Mexico's minimum wage is $12.00 per hour as of 2023. Cities like Santa Fe and Albuquerque have higher local rates. Tipped workers can be paid $3.00 per hour if tips bring them to the full minimum. Student employees may earn 75% of the minimum.

N.M. Stat. Ann. § 50-4-22minimum wageemployment
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At-Will Employment Doctrine

New Mexico is an at-will employment state. Common-law exceptions protect against terminations violating public policy or anti-discrimination law. The Whistleblower Protection Act covers public employees. Handbooks may create implied contracts.

N.M. Stat. Ann. § 50-9-25at will-employmentemployment
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Healthy Workplaces Act (Paid Sick Leave)

New Mexico's Healthy Workplaces Act requires private employers to provide paid sick leave at 1 hour per 30 hours worked, up to 64 hours per year. Workers can use it for personal or family illness, domestic abuse, school events, or public health emergencies.

N.M. Stat. Ann. § 50-17-3paid leaveemployment
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Security Deposits

New Mexico caps security deposits at one month's rent for leases under one year (no cap for longer leases). Landlords must pay interest on deposits over one month's rent. Deposits must be returned within 30 days with itemized deductions.

N.M. Stat. Ann. § 47-8-18security deposithousingtenant rights
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Eviction Notices and Procedures

New Mexico eviction requires 3 days' notice for unpaid rent or substantial violations, 7 days for other lease breaches. Landlords must use court process — self-help eviction is illegal and exposes them to actual damages, double payments, and attorney fees.

N.M. Stat. Ann. § 47-8-33evictionhousingtenant rights
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Limited Liability Company Act

New Mexico LLCs form by filing Articles of Organization with the Secretary of State. Members get limited liability. New Mexico uniquely does not require annual reports and allows anonymous ownership. A $50 annual franchise tax applies.

N.M. Stat. Ann. § 53-19-8llcbusiness
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Unfair Practices Act

New Mexico's Unfair Practices Act prohibits deceptive and unconscionable business practices. Consumers can sue for actual damages or $100 (whichever is greater), plus attorney fees. Treble damages are available for willful violations. AG can seek $5,000 per violation.

N.M. Stat. Ann. § 57-12-2deceptive practicesconsumer
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Motor Vehicle Quality Assurance Act (Lemon Law)

New Mexico's lemon law covers new vehicles for the warranty period or 1 year (whichever ends first). After 4 failed repair attempts on the same defect or 30 cumulative out-of-service days, consumers can demand a replacement or refund.

N.M. Stat. Ann. § 57-16A-3lemon lawconsumer
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Intestate Succession

New Mexico intestate law: as a community property state, the spouse takes all community property. For separate property, the spouse gets one-quarter if there are descendants. Without descendants, the spouse takes all separate property. No heirs means escheat to state.

N.M. Stat. Ann. § 45-2-102probateestate
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Execution of Wills

A valid New Mexico will must be written, signed by the testator (18+, of sound mind), and witnessed by 2 people. New Mexico does not recognize holographic (handwritten without witnesses) wills. Self-proved wills with notarized affidavits speed up probate.

N.M. Stat. Ann. § 45-2-502willsestate
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Speed Limits

New Mexico's interstate speed limit is 75 mph; other rural highways default to 55 mph; urban districts to 30 mph; school zones to 15 mph. Drivers can be cited for unsafe speed below the limit. Seven+ points in 12 months can trigger license suspension.

N.M. Stat. Ann. § 66-7-301speedingtraffic
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Small Claims Court Jurisdiction

New Mexico magistrate courts handle small claims up to $10,000. Attorneys are permitted but not required. Either party can appeal to District Court within 15 days for a fresh trial. Strong enforcement tools are available for collecting judgments.

N.M. Stat. Ann. § 35-3-3small claimscivil procedure
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This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.