Wisconsin Property Tax Appeal Guide
Appeal deadlines, exemptions, assessment rules, and county filing details for Wisconsin homeowners.
State Overview
In Wisconsin, property tax appeals are generally handled through the Board of Review / Department of Revenue. Assessment notices are typically issued Second Monday in May (Open Book), and the appeal deadline is May 18. LowerTheTax reviews comparable sales, assessment records, exemptions, and county filing rules before recommending whether to appeal.
Find Your County
Property tax rules can vary by county. Search for your county to see specific information.
Or select from major counties:
Real Property Information
Assessment Notice Issue Date
Second Monday in May (Open Book)
Appeal Deadline
May 18
Tax Bills Issued
December
Payment Due Date
January 31 (or installments)
Personal Property Information
Rendition Date
N/A (being phased out)
Assessment Notice
Same as real property
Appeal Deadline
Same as real property
Available Exemptions
Special Programs
Homestead Credit (income-based)
Review eligibility and timing before filing a Wisconsin property tax appeal.
School Levy Tax Credit
Review eligibility and timing before filing a Wisconsin property tax appeal.
First Dollar Credit
Review eligibility and timing before filing a Wisconsin property tax appeal.
Lottery and Gaming Credit
Review eligibility and timing before filing a Wisconsin property tax appeal.