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Rock County Courthouse

51 South Main Street, Janesville WI  53545    
Hours:  Monday - Friday   |   8:00 AM - 5:00 PM
Clerk of Courts Hours: Monday - Friday | 7:30 AM - 4:30 PM

Office Locations

Please visit the online County Directory to find addresses, phone numbers and hours.

The County Clerk maintains a downloadable and printable Official Directory [pdf].


Various County offices, including the Courthouse and Job Center, will be closed on the following holidays:

New Year's Day, Spring Holiday, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day & Friday After Thanksgiving, Christmas Eve & Christmas Day

Visit the County Calendar for specific dates, especially when the holiday falls on a weekend.

Program Sites

Program Sites Map

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