How to appeal property taxes in Wisconsin
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official Wisconsin sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Dane County
Dane County assessments are appealed locally, not countywide. See how Open Book, the Board of Review, and Madison's own deadlines work, plus the Lottery and Gaming Credit.
Milwaukee County
Milwaukee County's 2026 assessment appeals were due May 18 at 4:45 p.m. Learn where to file, which forms you need, evidence tips, and tax savings.
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