Property search and assessment
Search parcels, view property assessments, access tax bills, and look up zoning information through the eGov portal.
Overview
The eGov parcel search tool provides access to property assessment records, tax bill history, ownership information, and zoning classifications for all parcels in Janesville. The City Assessor's office handles property valuations, exemptions, and Board of Review proceedings. Contact the Assessor at (608) 755-3060.
Before you begin
- 1
Search by address, parcel number, or owner name on the eGov portal.
- 2
View property details including assessed value, tax history, and zoning.
- 3
Download or print your property tax bill.
- 4
For assessment questions, contact the Assessor's office at (608) 755-3060.
- 5
To appeal an assessment, file with the Board of Review during the annual open book period.
Frequently asked questions
When is the Board of Review?
The Board of Review meets annually in May. Notices are published with specific dates and instructions for filing objections.
How is my property assessment determined?
The City Assessor values property based on market data, property characteristics, and state guidelines. Wisconsin law requires assessments to reflect fair market value.
Where can I find my tax bill?
Tax bills are available on the eGov portal at cms.ci.janesville.wi.us. You can search by address or parcel number.
Last reviewed: March 2026
Service information
- Who this helps
- Residents, property owners, real estate professionals
- Contact and hours
- Online data available 24/7; Assessor's office available during business hours for questions