Janesville, WI
Home MenuHelpful Assessment Links and Documents
Use the Online Property Search Database (eGov) and Interactive GIS Web Mapping Service to view property data for all properties in the City of Janesville.
City of Janesville Assessment Rolls:
City of Janesville Sales Data:
- 2025 Residential Valid Sales PDF
- 2025 Valid Vacant Land Sales PDF
- 2025 Commercial Valid Sales PDF
- All 2025 Valid Sales Data Excel version
City of Janesville Maps:
- Commercial Neighborhood Map
- Single Family Residential Neighborhood Map
- Residential Neighborhood Map
- City of Janesville Coordinates Map
Informational Videos, Slides and Documents:
- 2023 Citywide Revaluation Presentation
- 2023 Citywide Revaluation Presentation Video
- WI Taxpayer Alliance articles - PDF document titled "Revaluation Articles" from the non-partisan Wisconsin Taxpayer Alliance organization that provides information about the revaluation process
- Assessment Process Informational Video
- My Neighbors House
- Tax Bill Before and After Reval Assessment Change
- Property Assessments and Your Taxes
- General Commercial I&E Form
- Multifamily I&E Form
Helpful Links:
- Wisconsin Department of Revenue
- Wisconsin Department of Revenue Government Publications
- Wisconsin Property Assessment Manual
- Property Assessment Process Guide for Municipal Officials pb062
- WI DOR Agent Authorization PA-105
- Wisconsin Department of Revenue Guide for Property Owners
- Agricultural Assessment Guide for Wisconsin Property Owners pb061
- Tax 18 Conservation Programs
- 2025 Law Changes
Wisconsin Dark Store Loophole Information:
- Wisconsin League of Municipalities Dark Store Information
- Wisconsin League of Municipalities Dark Store Whiteboard Video
- Wisconsin League of Municipalities Additional Dark Store Information
- Wisconsin Eye Morning Minute: Wisconsin League of Municipalities Dark Store Loophole Discussion
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They can be downloaded by clicking on the icons below.
