# Montana — Property tax assessment appeal deadlines by state

For Montana, deadline type is rolling-from-notice; deadline rule is must be filed within 30 days from the date on the notice of the department's determination; notice the clock runs from is notice of the department's determination; filed with is county tax appeal board; statute or source citation is 15-7-102, recorded from its source on 2026-08-25.

- **State:** Montana _(verified: appears in the quote below)_
- **Deadline type:** rolling-from-notice _(our reading, not quoted from the source)_
- **Deadline rule:** must be filed within 30 days from the date on the notice of the department's determination _(verified: appears in the quote below)_
- **Notice the clock runs from:** notice of the department's determination _(verified: appears in the quote below)_
- **Filed with:** county tax appeal board _(verified: appears in the quote below)_
- **Statute or source citation:** 15-7-102 _(verified: appears in the quote below)_

## What the source says

> The appeal to the county tax appeal board, pursuant to 15-15-102 , must be filed within 30 days from the date on the notice of the department's determination.

## Source

- https://mca.legmt.gov/bills/mca/title_0150/chapter_0070/part_0010/section_0020/0150-0070-0010-0020.html

Last verified: 2026-08-25. Review by: 2027-08-25.
Part of [Property tax assessment appeal deadlines by state](https://referencesource.org/property-tax-appeal-deadlines-by-state/).