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- Tax Due Dates
| Description | Date |
| Effective date of annual assessment | January 1 |
| First installment of real estate and personal property taxes due to town, city, or village treasurer | January 31 |
| Town, city, and village treasurers must make settlement with the County Treasurer | February 20 or before |
| Clerk’s Statement of Assessment due | Second Monday of June |
| Second installment of real estate taxes due to the County Treasurer | July 31 |
| County Treasurer to sell delinquent taxes | September 1 |
| County equalization meeting (Committee or County Board) | First Monday of September or before |
| Local clerks must turn over tax roll to local treasurers | Third Monday of December or before |