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Idaho

Idaho state laws, regulations, court decisions, and active legislation

Capital: BoisePopulation: 1,839,106
Federal & State Law Editorial TeamLast reviewed: April 2026

Overview

Idaho's legal system reflects its rural, Western character with a strong emphasis on individual liberty, property rights, and limited government regulation. The state has some of the most permissive firearms laws and most limited tenant protections in the nation. Idaho's legal framework is generally conservative, with recent legislation targeting issues like critical race theory in schools and transgender healthcare.

The state's rapid population growth, particularly from California transplants, is creating new legal tensions around land use, water rights, and regulatory approaches. Idaho's agricultural economy and public lands create significant legal activity around water law, grazing rights, and environmental regulation.

Court Structure

Idaho's court system includes magistrate courts, district courts (general jurisdiction in seven judicial districts), the Court of Appeals, and the Idaho Supreme Court. Magistrate judges are appointed by a commission. District judges, Court of Appeals judges, and Supreme Court justices are elected in nonpartisan elections.

Unique Laws & Facts

  • Idaho allows permitless concealed carry for residents 18+ within city limits
  • The state declared itself a Second Amendment sanctuary
  • Idaho has no statutory limit on security deposit amounts
  • The state has only a 3-day notice period for non-payment eviction
  • Idaho's anti-government sovereignty movement has influenced state legislation

Legal Landscape

Idaho's legal landscape emphasizes individual rights, limited government, and property protections. The state has permissive gun laws, minimal tenant protections, conservative social policies, and an active debate around growth management as the state experiences rapid population expansion. Water law is a critical legal domain given agricultural and development pressures.

Key Idaho Laws (24)

Driving Under the Influence

Idaho prohibits driving with a BAC of 0.08% or higher. First offenses bring up to 6 months jail (no minimum), $1,000 fine, and 180-day license loss. Excessive DUI (0.20+ BAC) brings 10 days mandatory jail. Third offense in 10 years becomes a felony.

Idaho Code § 18-8004duicriminaltraffic
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Permitless Carry of Concealed Weapons

Idaho allows permitless concealed carry for residents 18+ within cities and all eligible persons 18+ outside cities. No assault weapon bans, magazine limits, or waiting periods. Strong Castle Doctrine and Stand Your Ground. The state declared itself a Second Amendment sanctuary.

§ 18-3302firearmscriminal
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Security Deposits and Landlord-Tenant Obligations

Idaho does not cap security deposits. Return is required within 21-30 days, with triple damages for bad-faith retention. The state has no rent control, just cause eviction, or anti-retaliation protections. 3 days' notice for non-payment eviction. Very landlord-friendly overall.

§ 6-321tenant rightshousing
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Criminal Sentencing — Determinate and Indeterminate Terms

Idaho uses a unified sentencing system with a fixed minimum term (no parole) plus an indeterminate term. The Parole Commission decides release during the indeterminate portion. Judges have broad discretion within statutory maximums. Idaho retains the death penalty for aggravated first-degree murder.

§ 19-2513criminal sentencingcriminalcorrections
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Idaho Consumer Protection Act — Unfair Methods and Practices

Idaho's Consumer Protection Act prohibits unfair or deceptive trade practices. Consumers can sue for actual damages or $1,000 minimum, with treble damages for willful violations. The AG can seek injunctions and restitution. Class actions are allowed. Exemptions apply where other agencies already regulate the conduct.

§ 48-603consumer protectionciviltrade
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Assault Defined

Idaho assault covers attempts to injure with present ability or threats creating fear of imminent violence. Simple assault is a misdemeanor with up to 3 months jail and $300 fine. Aggravated assault (with weapon or likely to cause great bodily harm) is a felony with up to 5 years prison.

Idaho Code § 18-901assaultcriminal
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Battery Defined

Idaho retains battery as separate from assault. Simple battery covers willful unwanted force or touching and is a misdemeanor with up to 6 months jail and $1,000 fine. Aggravated battery (great bodily harm, permanent injury, weapon, or pregnant victim) is a felony with up to 15 years prison.

Idaho Code § 18-903batterycriminal
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Possession of a Controlled Substance

Idaho is one of the strictest states on drug possession. Even small amounts of cocaine, heroin, or meth are felonies with up to 7 years prison and $15,000 fines. Marijuana remains illegal (medical and recreational). Drug court diversion is available in many jurisdictions.

Idaho Code § 37-2732drugscriminal
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Theft Defined

Idaho theft is graded by value: under $1,000 is petit theft (misdemeanor with up to 1 year jail and $1,000 fine); over $1,000 or specified items (firearms, livestock, theft from person) is grand theft (felony with 1-14 years prison). Restitution is mandatory.

Idaho Code § 18-2403theftcriminal
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Grounds for Divorce

Idaho allows divorce on no-fault (irreconcilable differences) or fault grounds (adultery, cruelty, desertion, felony conviction, etc.). At least one spouse must be an Idaho resident for just six weeks. Idaho is a community property state and presumes equal division of marital property.

Idaho Code § 32-603divorcefamily
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Best Interests of the Child for Custody

Idaho applies an 8-factor best-interests test for custody. State public policy presumes joint custody is in the child's best interests, rebuttable by evidence including domestic violence. Substantial and material change is needed for modification.

Idaho Code § 32-717custodyfamily
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Idaho Child Support Guidelines

Idaho uses an income shares model under the Idaho Child Support Guidelines. Combined gross parental income determines a basic obligation, then each parent pays a proportional share with adjustments for parenting time, healthcare, and childcare. Support continues until age 18 or high school graduation, no later than 19.

I.R.F.L.P. Rule 120child supportfamily
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Minimum Wage

Idaho's minimum wage matches the federal $7.25/hour and has not increased since 2009. Local governments cannot set higher minimums. Tipped wage is $3.35/hour with tip credit. Federal weekly overtime over 40 hours applies.

Idaho Code § 44-1502wagesemployment
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At-Will Employment with Public Policy and Implied Contract Exceptions

Idaho is at-will but recognizes public policy, implied contract, and good faith exceptions. The Idaho Human Rights Act prohibits discrimination on race, sex, religion, age (40+), and disability. State law does not include sexual orientation or gender identity protections, though federal Title VII does.

Idaho Common Law (At-Will Employment)at willemployment
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Wage Payment and Final Wages

Idaho does not mandate paid sick, vacation, or family leave for private employers. Final wages are due by the next payday or within 10 working days, whichever is earlier. Written demand triggers 48-hour payment. Federal FMLA provides 12 weeks unpaid leave at large employers.

Idaho Code § 45-606leavewagesemployment
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Security Deposits

Idaho does not cap security deposits. Landlords have 21 days (or 30 if agreed in writing) to return the deposit or provide itemization. Wrongful withholding may trigger civil liability for the amount and attorney fees. Idaho's tenant protections in this area are limited.

Idaho Code § 6-321depositshousing
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Termination for Nonpayment of Rent and Eviction

Idaho landlords give 3-day written notice to pay or vacate for nonpayment. Unlawful detainer is filed in district court magistrate division with 5-12 days to answer. Self-help eviction is prohibited. Idaho's eviction process is comparatively fast, with mobile home tenants getting greater protections.

Idaho Code § 6-303evictionhousing
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LLC Formation

Idaho LLCs file a certificate of organization with the Secretary of State for $100 by mail or $120 online. The name must include 'LLC' and a registered agent must be designated. Annual reports are free if filed timely. Idaho adopted the Uniform LLC Act in 2015. An operating agreement is recommended but not filed.

Idaho Code § 30-25-201llcbusiness
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Idaho Consumer Protection Act

Idaho's Consumer Protection Act bans deceptive practices including misrepresentation, false advertising, and bait-and-switch. The AG can seek $5,000 civil penalties per violation. Consumers can recover actual damages or $1,000 minimum (whichever is greater) plus attorney fees. Punitive damages possible in flagrant cases.

Idaho Code § 48-603deceptive practicesconsumer
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Idaho Motor Vehicle Lemon Law

Idaho's Lemon Law covers new vehicles for two years or 24,000 miles. A vehicle is presumed a lemon after four failed repair attempts or 30 days out of service. Consumers can demand replacement or refund minus a use allowance after written notice. Manufacturer dispute resolution may be required first.

Idaho Code § 48-902lemon lawconsumer
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Intestate Share of Spouse

Idaho is a community property state. With shared descendants, the spouse takes the decedent's community half. With non-shared descendants, the decedent's community half goes to descendants. Spouse takes all separate property without descendants/parents, half if either survives.

Idaho Code § 15-2-102intestateestate
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Execution of Wills

Idaho wills must be written, signed by the testator (age 18+, sound mind), and witnessed by two people. Holographic wills (handwritten) are valid without witnesses if the signature and material portions are handwritten. Self-proving notarized affidavits speed probate.

Idaho Code § 15-2-502willsestate
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Maximum Speed Limits

Idaho default speed limits are 35 mph urban, 55 mph rural state highways (50 mph trucks), and 80 mph rural interstates (75 mph trucks) — among the highest in the nation. School zones are 20 mph. Speeds 15-20 mph over the limit may support reckless driving.

Idaho Code § 49-654speedtraffic
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Small Claims Jurisdiction

Idaho small claims handles disputes up to $5,000 in district court. Attorneys are generally not allowed. Corporations may appear through officers or employees. Either party can appeal de novo to the magistrate division within 30 days.

Idaho Code § 1-2301small 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.