Wisconsin

Assessments
Assessment Date: Jan. 1 of the current year
Personal Property Assessment Ratio: 100%
Real Estate Assessment Ratio: Various

Renditions

Personal Property Return Deadline: March 1
Exemptions: Inventory, Vehicles
Real Estate Return Deadline: Must file M-R returns for manufacturing properties by March 1 every year.
Requirements: Not Applicable

Appeals
Reappraisal Cycle: Various
Appeal Period: May
Appeal Deadline: 3rd Monday in May

Audits
The state does audit personal property.

Tax Bills
Personal Property Due Date: Jan. 31 of the following year
Number of Payments: One
Real Estate Due Date: Jan. 31 of the following year
Number of Payments: One – Four
Period Covered: Jan. 1 through Dec. 30 of the current year

 
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