06/04/2026
**Reminder**
2026 Personal Property Taxes
Are DUE 6/30/2026
Payments may be made:
Online: rosebudcountymt.gov
By mail: PO Box 167 Forsyth, MT 59327
Or in office at: 1200 Main Street Forsyth, MT 59327
Thank you,
Rosebud County Treasurer
Rosebud County was established on February 1, 1901 and is located in Southeastern Montana covering approximately 5,027 square miles (5,010 square miles is land and 17 square miles is water). The county Courthouse began construction in Forsyth in 1912, for more history on our Courthouse visit our Res...