Wisconsin Statutes Property (Ch. 700 to 710) § 704.055. Disposition of personalty left by trespasser

(2) At the landlord's discretion. (a) If a trespasser is removed or otherwise removes from residential rental property and leaves personal property, the landlord shall hold the personal property for 7 days from the date on which the landlord discovers the personal property. After that time, the landlord may presume that the trespasser has abandoned the personal property and may dispose of the personal property in any manner that the landlord, in the landlord's sole discretion, determines is appropriate but shall promptly return the personal property to the trespasser if the landlord receives a request for its return before the landlord disposes of it.

(b) If the landlord disposes of the abandoned personal property by private or public sale, the landlord may send the proceeds of the sale minus any costs of sale and, if the landlord has first stored the personal property, minus any storage charges to the department of administration for deposit in the appropriation under s. 20.505(7)(h).