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Wisconsin

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

Capital: MadisonPopulation: 5,893,718
Federal & State Law Editorial TeamLast reviewed: April 2026

Overview

Wisconsin's legal system reflects the state's Progressive Era heritage (the 'Wisconsin Idea') alongside more recent conservative legislative trends. The state is unique in being the only one where first-offense OWI/DUI is a civil infraction rather than a criminal offense. Wisconsin has been a national battleground on issues including gerrymandering, voting rights, and Act 10's restrictions on public sector unions.

Wisconsin's legal landscape includes a concealed carry license requirement (no permitless carry), relatively moderate firearms regulations, and a significant legal battle over the state Supreme Court's political composition that has reshaped Wisconsin law on gerrymandering and abortion.

Court Structure

Wisconsin's court system includes municipal courts, circuit courts (general jurisdiction trial courts organized into 72 judicial circuits — one per county), the Court of Appeals (four districts), and the Wisconsin Supreme Court. All judges are elected in nonpartisan elections, though Supreme Court races have become highly politicized. The 2023 Supreme Court election became the most expensive judicial race in American history.

Unique Laws & Facts

  • Wisconsin is the only state where first-offense OWI is a civil infraction, not a crime
  • Act 10 severely restricted public sector union collective bargaining rights
  • Wisconsin requires landlords to conduct a check-in inspection with tenants
  • The state's 2023 Supreme Court election was the most expensive judicial race in U.S. history
  • Wisconsin's 'tavern league' has significant influence over alcohol regulation policy

Legal Landscape

Wisconsin's legal landscape is defined by intense political polarization, nationally significant gerrymandering litigation, and the tension between its Progressive Era heritage and recent conservative governance. The state's unique treatment of first-offense OWI, its labor law battles, and its Supreme Court political dynamics make it a national bellwether for legal and political trends.

Key Wisconsin Laws (23)

Operating While Intoxicated (OWI)

Wisconsin is the only state where first-offense OWI is a civil forfeiture (fine, no criminal record). Second offense is a misdemeanor with mandatory 5 days in jail. Fourth offense is a felony. Lifetime lookback for prior offenses. Ignition interlock required from second offense.

§ 346.63duicriminaltraffic
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License to Carry a Concealed Weapon

Wisconsin requires a concealed carry license (must be 21+ with training). Open carry is legal without a permit. No assault weapon bans, magazine limits, or waiting periods. Castle Doctrine protects home defenders. No statutory Stand Your Ground, but self-defense is recognized.

§ 175.60firearmscriminal
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Residential Landlord-Tenant – Security Deposits and Protections

Wisconsin places no limit on security deposits with a 21-day return deadline. Double damages for wrongful withholding. Local tenant protection ordinances are largely preempted since 2011. 5-day notice for non-payment eviction. Anti-retaliation protections. 12-hour notice for landlord entry.

§ 704.28tenant rightshousing
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Operating While Intoxicated (OWI)

Wisconsin's BAC limit is 0.08% (0.02% for drivers with three+ prior OWIs). First OWI is uniquely a civil violation (not criminal) with fines and license revocation. Second offenses are misdemeanors; fourth offenses are felonies.

Wis. Stat. § 346.63duiowicriminaltraffic
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Battery

Wisconsin uses 'battery' for offenses involving physical harm. Simple battery causing bodily harm is a Class A misdemeanor. Substantial battery is a Class I felony, and aggravated battery causing great bodily harm can be a Class E felony with up to 15 years.

Wis. Stat. § 940.19batteryassaultcriminal
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Possession of Controlled Substances

Wisconsin makes first-offense marijuana possession a misdemeanor and repeat offenses felonies. Possession of cocaine, heroin, or meth is a misdemeanor first time, felony for repeat offenses. Drug treatment courts offer alternatives for eligible offenders.

Wis. Stat. § 961.41drugscriminal
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Theft

Wisconsin theft is taking property without consent intending to deprive the owner. Property worth $2,500 or less is a Class A misdemeanor; above that scales through felony classes I, H, and G. Theft of firearms or from a person carries enhanced penalties.

Wis. Stat. § 943.20theftcriminal
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Burglary

Wisconsin burglary is unlawful entry into a building, vehicle, or other enclosed space to steal or commit a felony. The base offense is a Class F felony with up to 12 years 6 months prison. Aggravated burglary (armed, occupied dwelling) is Class E with up to 15 years.

Wis. Stat. § 943.10burglarycriminal
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Grounds for Divorce

Wisconsin is a pure no-fault divorce state — the only ground is irretrievable breakdown. A 120-day waiting period applies. Wisconsin is also a marital (community) property state, presumptively dividing assets equally.

Wis. Stat. § 767.315divorcefamily
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Custody and Placement — Best Interest Factors

Wisconsin uses 'legal custody' and 'physical placement' rather than traditional custody. Joint legal custody is presumed unless contrary to the child's best interest. Decisions consider relationships, parental cooperation, and abuse history.

Wis. Stat. § 767.41custodyfamilyphysical placement
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Child Support Guidelines

Wisconsin uses a unique percentage of income standard for child support: 17% of gross income for one child, 25% for two, 29% for three. Different formulas apply for shared placement. Modifications require substantial change in circumstances.

Wis. Stat. § 767.511child supportfamily
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Minimum Wage

Wisconsin's minimum wage is tied to the federal $7.25 per hour. Cities cannot set higher local rates. Tipped workers can be paid $2.33 directly if tips bring earnings to the minimum. Workers under 20 may be paid $5.90 for the first 90 days.

Wis. Stat. § 104.035minimum wageemployment
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At-Will Employment

Wisconsin is an at-will employment state. Employees can be fired for any lawful reason or no reason. Exceptions include public policy violations, retaliation, breach of express contracts, and certain employee handbook provisions creating implied contracts.

Wis. Stat. § 109.07at will-employmentemployment
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Right-to-Work

Wisconsin became a right-to-work state in 2015. No worker can be required to join or pay dues to a union as a condition of employment. Violations are Class A misdemeanors with possible criminal and civil penalties.

Wis. Stat. § 111.04right to-workemploymentlabor
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Security Deposits

Wisconsin sets no cap on security deposits. Landlords must return them within 21 days with an itemized list of permitted deductions. Wrongful withholding subjects the landlord to double damages plus attorney fees under consumer protection laws.

Wis. Stat. § 704.28security deposithousingtenant rights
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Eviction Proceedings

Wisconsin requires landlords to give a five-day notice to pay rent or 14-day notice to terminate before filing eviction. Hearings typically occur within 25 days. Self-help eviction is prohibited; only the sheriff enforces evictions after court order.

Wis. Stat. § 799.40evictionhousingtenant rights
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Wisconsin Uniform Limited Liability Company Law

Wisconsin LLCs are formed by filing articles of organization with the Department of Financial Institutions for $130 online ($170 paper). Members have limited liability. A $25 annual report is required. There is no franchise tax unless corporate election is made.

Wis. Stat. § 183.0202llcbusiness
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Wisconsin Deceptive Trade Practices Act

Wisconsin's Deceptive Trade Practices Act bans untrue or misleading representations in advertising or sales. Consumers can recover pecuniary loss plus attorney fees. The Department of Agriculture, Trade and Consumer Protection can seek penalties up to $10,000.

Wis. Stat. § 100.18consumer protectionconsumerdeceptive practices
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Motor Vehicle Lemon Law

Wisconsin's Lemon Law requires manufacturers to replace or refund new vehicles with substantial defects after four failed repairs or 30 days out of service in the first year. Consumers can recover treble damages and attorney fees if successful.

Wis. Stat. § 218.0171lemon lawconsumer
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Intestate Succession

Wisconsin's marital property system shapes intestacy. With shared descendants, the spouse inherits everything. With non-shared descendants, the spouse takes all marital property plus half of individual property. Without spouse, descendants inherit.

Wis. Stat. § 852.01probateestateintestate
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Requirements for a Valid Will

A Wisconsin will must be written, signed by the testator, and witnessed by two people who sign within a reasonable time. Holographic wills made in Wisconsin are generally not valid. Self-proving affidavits ease probate.

Wis. Stat. § 853.03willsestate
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Speed Restrictions

Wisconsin allows up to 70 mph on rural interstates, 65 mph on most state highways, 55 mph on rural roads, and 25 mph in urban areas. Violations are civil forfeitures. Reckless driving is a misdemeanor. School zones carry enhanced penalties.

Wis. Stat. § 346.57speedingtraffic
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Small Claims Court Jurisdiction

Wisconsin small claims court handles disputes up to $10,000, plus eviction and replevin actions. Procedures are simplified, attorneys are optional, and either party may demand a jury trial. Self-help resources are widely available.

Wis. Stat. § 799.01small 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.