July/December - property taxes billed by city/village/township treasurer
March 1(enters 1st year of delinquency) - Unpaid property taxes are forwarded to the County Treasurer for collection. County Treasurer adds a 4% administrative fee and 1% per month interest.
October 1 - County Treasurer adds $15 fee to each parcel.
March 1 (enters 2nd year of delinquency) - Property enters a forfeited status. County Treasurer adds a $175 fee. Interest is increased from 1% per month to 1.5% per month, back to the date that taxes became delinquent.
March 1 ( enters 3rd year of delinquency and becomes foreclosed) - Circuit Court enters a judgment of foreclosure. Property owners have until March 31st to pay the taxes or lose their property.
April 1 - Clear title passes to the State of Michigan. (add link)
July - Property is sold at public auction by State of Michigan.