After the last reappraisal cycle, homeowners shouldered 58% of the property tax burden. In contrast, the proportionate tax share for corporate entities owning power transmission lines, electrical generation, telecom, railroads, wind and mining decreased. Article VIII. Section 3 of the Montana Constitution, reads “the state shall appraise, assess and equalize the valuation of all property…” Since 2021, the Legislature has failed to equalize property taxes. The 2025 lawmakers had one shared priority – to provide homeowner property tax relief. After months negotiating proposals by Rep. Llew Jones (HB 231) and Rep. Mark Thane (HB 155), the final actions combined both bills and created property tax reform that benefits Montana primary homeowners. This summary details how the property tax rebalancing will work.

Download a PDF of the Property Tax Bills below.