Tax Timeline

Summer Property Tax Bill Timeline

  • Tax bills are mailed by July 1 of each year.
  • Tax bills are due September 14 by 5 p.m. of that year. Postmarks are not accepted.
  • After 5 p.m. on September 14 interest will be added at the rate of 1% each month or fraction of the month until paid in full.
  • March 1: Outstanding real property tax amounts will be sent to Ingham County Treasurer as delinquent for continued collection efforts.

Winter Property Tax Bill Timeline

  • Tax bills are mailed by December 1 of each year.
  • Tax bills are due February 14 by 5 p.m. of the following year. Postmarks are not accepted.
  • Any outstanding amount on February 15 will receive a one time 3% penalty and 1% interest fee.
  • March 1: Outstanding real property tax amounts will be sent to Ingham County Treasurer as delinquent for continued collection efforts.
  • Beginning March 1 of each year, all unpaid taxes (summer and winter) including additional penalties and interest must be paid to:
    Ingham County Treasurer
    P.O. Box 215
    Mason, MI 48854
    Phone: 517-676-7220

Contact the Ingham County Treasurer’s office prior to sending payment to confirm amount owed.