Rock County Treasurer's Office in Janesville, Wisconsin

When visiting this tax collector office, bring your property tax bill or parcel number, a valid photo ID, and your preferred payment method — cash, check, or card. Rock County Treasurer's Office is located at 51 South Main Street, Janesville, WI. If you are applying for a homestead or other exemption, bring documentation supporting your eligibility, such as proof of primary residence, veteran discharge papers (DD-214), or a disability certification letter.

About Rock County Treasurer's Office

The Rock County Treasurer's Office, located in Janesville, Wisconsin is responsible for financial transactions, including issuing Rock County tax bills, collecting personal and real property tax payments. The Rock County Treasurer and Tax Collector's Office is part of the Rock County Finance Department that encompasses all financial functions of the local government.

• Property tax bill lookup and payment processing at Rock County Treasurer's Office
• Homestead, senior, veteran, and disability exemption applications
• Delinquent tax payment plans and lien removal procedures
• Tax deed sales, tax lien auctions, and investor registration