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69th Legislature 2025 SB 189.1
- 1 - Authorized Print Version – SB 189
1 SENATE BILL NO. 189
2 INTRODUCED BY M. DUNWELL, E. BYRNE, C. NEUMANN, W. CURDY, J. ELLIS, J. MORIGEAU, S.
3 WEBBER, J. WINDY BOY, M. YAKAWICH, P. FLOWERS, T. FRANCE, D. HAYMAN, A. OLSEN, C. POPE
4
5 A BILL FOR AN ACT ENTITLED: “AN ACT REVISING PROPERTY TAX RATES FOR CLASS THREE
6 AGRICULTURAL PROPERTY AND CLASS FOUR RESIDENTIAL AND COMMERCIAL PROPERTY;
7 MITIGATING THE EFFECTS OF THE 2023 AND 2025 REVALUATION CYCLES; REMOVING THE HIGHER
8 TAX RATE FOR HIGH-VALUE RESIDENCES; AMENDING SECTIONS 15-6-133 AND 15-6-134, MCA; AND
9 PROVIDING AN IMMEDIATE EFFECTIVE DATE AND A RETROACTIVE APPLICABILITY DATE.”
10
11 BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA:
12
13Section 1. Section 15-6-133, MCA, is amended to read:
14 "15-6-133. Class three property -- description -- taxable percentage. (1) Class three property
15 includes:
16 (a) agricultural land as defined in 15-7-202;
17 (b) nonproductive patented mining claims outside the limits of an incorporated city or town held by
18 an owner for the ultimate purpose of developing the mineral interests on the property. For the purposes of this
19 subsection (1)(b), the following provisions apply:
20 (i) The claim may not include any property that is used for residential purposes, recreational
21 purposes as described in 70-16-301, or commercial purposes as defined in 15-1-101 or any property the
22 surface of which is being used for other than mining purposes or has a separate and independent value for
23 other purposes.
24 (ii) Improvements to the property that would not disqualify the parcel are taxed as otherwise
25 provided in this title, including that portion of the land upon which the improvements are located and that is
26 reasonably required for the use of the improvements.
27 (iii) Nonproductive patented mining claim property must be valued as if the land were devoted to
28 agricultural grazing use.
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69th Legislature 2025 SB 189.1
- 2 - Authorized Print Version – SB 189
1 (c) parcels of land of 20 acres or more but less than 160 acres under one ownership that are not
2 eligible for valuation, assessment, and taxation as agricultural land under 15-7-202(1), which are considered to
3 be nonqualified agricultural land. Nonqualified agricultural land may not be devoted to a commercial or
4 industrial purpose. Nonqualified agricultural land is valued at the average productive capacity value of grazing
5 land.
6 (2) Subject to subsection (3), class three property is taxed at 2.16% 1.85% of its productive
7 capacity value.
8 (3) The taxable value of land described in subsection (1)(c) is computed by multiplying the value of
9 the land by seven times the taxable percentage rate for agricultural land."
10
11Section 2. Section 15-6-134, MCA, is amended to read:
12 "15-6-134. Class four property -- description -- taxable percentage. (1) Class four property
13 includes:
14 (a) subject to subsection (1)(e), all land, except that specifically included in another class;
15 (b) subject to subsection (1)(e):
16 (i) all improvements, including single-family residences, trailers, manufactured homes, or mobile
17 homes used as a residence, except those specifically included in another class;
18 (ii) appurtenant improvements to the residences, including the parcels of land upon which the
19 residences are located and any leasehold improvements;
20 (iii) vacant residential lots; and
21 (iv) rental multifamily dwelling units.
22 (c) all improvements on land that is eligible for valuation, assessment, and taxation as agricultural
23 land under 15-7-202, including 1 acre of real property beneath improvements on land described in 15-6-
24 133(1)(c). The 1 acre must be valued at market value.
25 (d) 1 acre of real property beneath an improvement used as a residence on land eligible for
26 valuation, assessment, and taxation as forest land under 15-6-143. The 1 acre must be valued at market value.
27 (e) all commercial and industrial property, as defined in 15-1-101, and including:
28 (i) all commercial and industrial property that is used or owned by an individual, a business, a
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69th Legislature 2025 SB 189.1
- 3 - Authorized Print Version – SB 189
1 trade, a corporation, a limited liability company, or a partnership and that is used primarily for the production of
2 income;
3 (ii) all golf courses, including land and improvements actually and necessarily used for that
4 purpose, that consist of at least nine holes and not less than 700 lineal yards;
5 (iii) commercial buildings and parcels of land upon which the buildings are situated; and
6 (iv) vacant commercial lots.
7 (2) If a property includes both residential and commercial uses, the property is classified and
8 appraised as follows:
9 (a) the land use with the highest percentage of total value is the use that is assigned to the
10 property; and
11 (b) the improvements are apportioned according to the use of the improvements.
12 (3) (a) Except as provided in 15-24-1402, 15-24-1501, 15-24-1502, and subsection (3)(b), class
13 four residential property described in subsections (1)(a) through (1)(d) of this section is taxed at 1.35% 0.76%
14 of market value.
15 (b) The tax rate for the portion of the market value of a single-family residential dwelling in excess
16 of $1.5 million is the residential property tax rate in subsection (3)(a) multiplied by 1.4.
17 (c)(b) The tax rate for commercial property is the residential property tax rate in subsection (3)(a)
18 multiplied by 1.4 1.35%.
19 (4) Property described in subsection (1)(e)(ii) is taxed at one-half the tax rate established in
20 subsection (3)(c) (3)(b)."
21
22 NEW SECTION. Section 3. Effective date. [This act] is effective on passage and approval.
23
24 NEW SECTION. Section 4. Retroactive applicability. [This act] applies retroactively, within the
25 meaning of 1-2-109, to tax years beginning after December 31, 2024, and to the reappraisal cycle beginning
26 January 1, 2025.
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