| January |
Personal property declarations mailed out
|
| January 1 | Lien date for assessment of property |
| March 15 | DUE: Personal property declarations returned to Ada County Assessor’s Office |
| April | Reminder notices for return of personal property declarations mailed out |
| 1st Monday of June | Assessment notices mailed out |
| June 20 | DUE: 2nd half of prior year’s taxes payable to Ada County Treasurer |
| 4th Monday of June | DUE: Appeals forms returned to Ada County Commissioners’ Office |
| 4th Monday of June | START: Board of Equalization |
| 2nd Monday of July | END: Board of Equalization |
| September | Personal property subsequent roll declarations mailed out |
| 1st Monday of November | Transient personal property reported to Assessor |
| December 20 | DUE: 1st half taxes payable to Ada County Treasurer |
| December | Missed property assessment notices mailed out |
| 4th Monday of January (following year) | DUE: Subsequent roll notice appeals forms returned to Ada County Commissioners’ Office. |