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
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.