§ 15-7-111 — Periodic Reappraisal Of Certain Taxable Property

15-7-111 . Periodic reappraisal of certain taxable property. (1) (a) The department shall administer and supervise a program for the reappraisal of all taxable property within class three under 15-6-133 , class four under 15-6-134 , and class ten under 15-6-143 as provided in this section. Except as provided in subsection (1)(b):
(i) all real property and all property within class three, class four, and class ten must be revalued every 2 years; and
(ii) all other property must be revalued annually.
(b) All centrally assessed property and all real property valued with centrally assessed property must be revalued in the time periods provided for in 15-23-101 (2).
(2) The department shall value newly constructed, remodeled, or reclassified property in a manner consistent with the valuation within the same class and the values established pursuant to subsection (1). The department shall adopt rules for determining the assessed valuation of new, remodeled, or reclassified property within the same class.
(3) The reappraisal of class three, class four, and class ten property is complete on December 31 of every second year of the reappraisal cycle.
(4) During the second year of each reappraisal cycle, the department shall provide the revenue interim committee with a report, in accordance with 5-11-210 , of tax rates for the upcoming reappraisal cycle that will result in taxable value neutrality for each property class. The revenue interim committee shall make a recommendation to the next legislature about whether to revise property tax rates based on the report.
(5) The department shall administer and supervise a program for the reappraisal of all taxable property within class three, class four, and class ten. The department shall adopt a reappraisal plan by rule. The reappraisal plan adopted must provide that all class three, class four, and class ten property in each county is revalued by January 1 of the second year of the reappraisal cycle, effective for January 1 of the following year, and each succeeding 2 years.
(6) (a) In completing the appraisal or adjustments under subsection (5), the department shall, as provided in the reappraisal plan, conduct individual property inspections, building permit reviews, sales data verification reviews, and electronic data reviews. The department may adopt new technologies for recognizing changes to property.
(b) The department shall conduct a field inspection of a sufficient number of taxable properties to meet the requirements of subsection (5).
(7) (a) In each notice of reappraisal sent to a taxpayer, the department, with the support of the department of administration, shall provide to the taxpayer information on:
(i) the consumer price index adjusted for population and the average annual growth rate of Montana personal income; and
(ii) the estimated annualized change in property taxes levied over the previous 10 years by the state, county, and any incorporated cities or towns within the county and local school average mills by county.
(b) In every even-numbered year, the department shall publish in a newspaper of general circulation in each county the information required pursuant to subsection (7)(a) by the second Monday in October.

Legislative History

En. 84-429.14 by Sec. 1, Ch. 294, L. 1975; R.C.M. 1947, 84-429.14; amd. Sec. 1, Ch. 596, L. 1987; amd. Sec. 4, Ch. 613, L. 1987; amd. Sec. 2, Ch. 636, L. 1989; amd. Secs. 2, 8, Ch. 680, L. 1991; amd. Sec. 4, Ch. 13, Sp. L. July 1992; amd. Sec. 4, Ch. 463, L. 1997; amd. Sec. 87, Ch. 584, L. 1999; amd. Sec. 4, Ch. 11, Sp. L. May 2000; amd. Sec. 5, Ch. 606, L. 2003; amd. Sec. 1, Ch. 554, L. 2005; amd. Sec. 23, Ch. 2, L. 2009; amd. Sec. 7, Ch. 483, L. 2009; amd. Sec. 16, Ch. 361, L. 2015; amd. Sec. 9, Ch. 163, L. 2019; amd. Sec. 1, Ch. 446, L. 2021; amd. Sec. 4, Ch. 424, L. 2023; amd. Sec. 3, Ch. 638, L. 2023; amd. Sec. 1, Ch. 42, L. 2025; amd. Sec. 2, Ch. 562, L. 2025.