| On or before April 1 | Ascertainment of facts for assessment |
| April 1 | Taxable status date - last day for accepting exemption applications |
| Second Monday of May | Tentative completion of assessment roll
Section 510 |
| 10 days prior to the second Tuesday in June | Notice of increased / decreased assessments
Section 510 |
| Second Tuesday in June | Grievance day - Sections 506 and 512 |
| On or before August 1 | Final completion and filing of assessment roll
Section 516, Subdivision 1 |