Commercial assessment methodology dispute (income approach vs. comparable sales)
Janesville
Summary
Big-box retailers argue Wisconsin law requires comparable sales to be considered before the income approach when valuing their stores, while the city assessor says her software has no calibrated commercial sales model and uses income or cost approaches. This fight is already in Rock County court and shapes how large commercial taxpayers are assessed.
At a glance
- Total mentions
- 1
- Last 30 days
- 0
Last discussed Jun 2, 2026.
Impact analysis
How big-box stores are valued affects the commercial share of the tax base — about 27% of total city value — and potentially shifts burden to other taxpayers.
Residents if commercial properties are fully and fairly assessed.
Large commercial property owners facing income-approach valuations they dispute.
Mentions & discussions (1)
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