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Waukesha County, WI Parking Rules: Abandoned Vehicles (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing statute
Wis. Stat. 342.40
Deemed abandoned
48 hrs or locally set period
Enforcer (county)
Sheriff's deputy
Minimum storage
10 days after notice
Cost liability
Vehicle owner

Summary

Under Wis. Stat. 342.40, a vehicle left unattended without the owner's permission, beyond 48 hours in first-class cities, or a period set locally elsewhere, is deemed abandoned and a public nuisance. A sheriff's deputy or county traffic patrolman may have it removed and impounded.

City-specific rules exist: Waukesha has its own abandoned vehicles rules that differ from Waukesha County's county-level regulations. If you live in Waukesha, check the city-specific page instead.

Whenever any vehicle has been left unattended without the permission of the property owner for more than 48 hours in cities of the 1st class and, in other cities, villages and towns, a period set by the governing body thereof, the vehicle is deemed abandoned and constitutes a public nuisance.

Full Breakdown

Wisconsin's abandoned-vehicle law, Wis. Stat. 342.40, applies countywide. Section 342.40(1m) declares a vehicle abandoned once left unattended without the property owner's permission for more than 48 hours in first-class cities, or a period set by the local governing body elsewhere. Section 342.40(3)(a) authorizes a sheriff's deputy, county traffic patrolman, municipal police officer, state traffic officer, or conservation warden to remove any abandoned motor vehicle, trailer, semitrailer, or mobile home from public or private property to impoundment. Vehicles are held at least 10 days after certified-mail notice to owner and lienholders before sale or donation. In unincorporated Waukesha County, the County Sheriff enforces this law.

Violations & Fines

The owner is responsible for all impound and disposal costs; unrecovered costs may be recovered by civil action, and the vehicle may be sold or donated after the 10-day notice period.

Frequently Asked Questions

How long before a car is legally abandoned in Waukesha County?
Under Wis. Stat. 342.40(1m), more than 48 hours in first-class cities, or a period set by the local governing body in other cities, villages, and towns. Once met, the vehicle is a public nuisance.
Who removes an abandoned vehicle in unincorporated areas?
A Waukesha County Sheriff's deputy or county traffic patrolman, per §342.40(3)(a), may cause the vehicle to be removed to impoundment. The owner pays all impound and disposal costs.

Sources & Official References

Other rules in Waukesha County

All Waukesha County rules

Compare Waukesha County to another location·View the Wisconsin parking rules overview

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Abandoned Vehicles in Cities Across Waukesha County