| Appeals (Income, Sales, Excise) | | P.O. Box 8907 Madison, WI 53708-8907 | |
| Audit of Returns (Corporation, Individual, Homestead) | | P.O. Box 8906 Madison, WI 53708-8906 | |
| Business Registration Online | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Copies of Returns | | Mail Stop 5-77 P.O. Box 8949 Madison, WI 53708-8949 | |
| Delinquent Taxes | | P.O. Box 8901 Madison, WI 53708-8901 | |
| Electronic Filing | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Estimated Taxes | | P.O. Box 930208 Milwaukee, WI 53293-0208 | |
| Farmland Credits (Individual, Corporation) | Individual: (608) 266-2442
Corporation: (608) 266-1143 | P.O. Box 8927 Madison, WI 53708-8927 | |
| Fiduciary, Estate | | P.O. Box 8906 Madison, WI 53708-8906 | |
| Forms Request | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Homestead Credit | | P.O. Box 34 Madison, WI 53786-0001 | |
| ID Theft | | P.O. Box 8933, MS 6-40 Madison, WI 53708-8993 | |
| Individual Income | | P.O. Box 59 Madison, WI 53785-0001 P.O. Box 268 Madison, WI 53790-0001 | |
| Property Assessment | | Education and Certification Mail Stop 6-97 P.O. Box 8971 Madison, WI 53708-8971 | |
| Real Estate Transfer Information | (608) 266-1594 (608) 264-6885 | P.O. Box 8971 Madison, WI 53708-8971 | |
| Refunds | (608) 266-8100
Toll Free: (866) 947-7363
Milwaukee: (414) 227-4907 | P.O. Box 8949 Madison, WI 53708-8949 | |
| Sales, Use, Withholding | | P.O. Box 8902 or 8949 Madison, WI 53708 | |
| Unclaimed Property | | P.O. Box 8982 Madison, WI 53708-8982 | |
| Volunteer Income Tax Assistance / Tax Counseling for the Elderly (TCE) | | | |