Winter 2025 Taxes Season Starts 7:00 am – 8:00 amDecember 1, 2025 – February 28, 2026 Winter 2025 taxes can be collected until Feb 14th 2026 without penalties/interest. After Feb. 28th 2026 all Delinquent taxes will be sent to Roscommon County Treasurer Richfield Township Hall1410 St. Helen Rd.PO Box 756Saint Helen, Michigan 48656United States(989)389-4994View LocationMap Richfield Township Hall iCal Google Calendar View full calendar