Property Appraisal Notices Coming in Mail From Montana Department of Revenue
- On Monday, the Montana Department of Revenue began mailing notices with updated property values, triggering a 30-day appeal window for Montana property owners.
- Montana's biennial property reassessment, driven by a 40% jump in median residential values, has led to an average tax increase of 21% for homeowners.
- Property owners must submit Form AB-26 within 30 days of notice to challenge assessed values, with early review urged by Revenue Director Brendan Beatty.
- Montana local authorities will use updated valuations to set 2025-26 taxes, with bills mailed this fall reflecting legislative rate changes signed by Governor Gianforte.
- Montana’s new legislation, signed by Gov. Greg Gianforte, reduces taxes on primary residences and rentals starting in 2026, offset by higher rates on other homes.
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Property tax notices in the mail after 2025 legislative changes
Photo illustration by Getty Images.Montanans might soon get a bead on which direction their property tax bill is going. Lawmakers of both political parties made their top job in the 2025 session addressing stiff increases in residential property taxes, and after negotiations that took nearly the entire session, they agreed to legislation that aims to help. Margie MacDonald, who looks out for senior citizens as a lobbyist for Big Sky 55+, said th…

Property appraisal notices coming in mail from Montana Department of Revenue
If property owners disagree with the department’s determination of value for their property, they may submit a Request for Informal Classification and Appraisal Review.
Montana mailing out new property assessment notices
Montanans are soon going to find out how their property values have changed over the last two years, and how that could affect their taxes.The Montana Department of Revenue announced Monday that they are now mailing notices with updated market and taxable values for residential, commercial, industrial and agricultural properties. Leaders say the notices will account for the changes lawmakers made to taxable values during this years Montana legis…
Property Appraisal Notices Coming From Department Of Revenue
The Montana Department of Revenue is mailing property classification and appraisal notices to all owners of residential, commercial, industrial, and agricultural land properties. These notices are not tax bills. They include the department’s determination of market or productivity value and the taxable value for your property that will be used by your county treasurer to determine property taxes o...
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