Wooden “Welcome to Janesville – Wisconsin’s Park Place” sign with a stylized tree emblem, standing among tall trees and green grass under a bright blue sky with scattered clouds.

The City of Janesville is a full-service municipality providing a wide variety of public services to our residents, businesses, and visitors. Assessor's Office Attorney's Office Clerk Treasurer's Office …

The United States government surveyed the west bank of the Rock River at the present-day site of Janesville in 1833, following the resolution of the Black Hawk War. As word of the fertile lands along …

The City of Janesville will host a series of upcoming Council Workshops focused on key topics surrounding data center development. The informational sessions will be structured to provide the …

Mar 11, 2026 · Janesville Historic Commission Seeking Nominations for 2026 Historic Preservation Award 02/24/2026 9:25 am

Please take the time to complete a short survey to help us better serve the citizens of Janesville to ensure we are meeting the varied leisure and recreational needs of our community. Your input will …

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The Janesville Police Department's mission is to enhance the quality of life in Janesville by working cooperatively with the community and citizens to enforce the law, preserve the peace, reduce the …

The City of Janesville provides online access to geographic and land information as a public resource of general information for use "as is". This information is to be used for reference purposes only.

The goal of the Human Resources Office is to meet the City of Janesville's human resources needs. Our objectives are to: Provide effective personnel services to all City departments Recruit quality …