Montana Sales Tax Calculator 2026
Montana is one of five states with no state sales tax. Learn how this affects your purchases and what other taxes may apply.
Montana Sales Tax Quick Facts
Why Montana Has No Sales Tax
Montana is one of just five US states that imposes no state-level sales tax. The other four are Alaska, Delaware, New Hampshire, Oregon. For consumers, this means the sticker price is the price you pay at checkout — no percentage added on top.
Unlike Alaska, which allows local sales taxes despite having no state tax, Montana does not permit local jurisdictions to levy their own sales taxes either. This means purchases anywhere in Montana carry zero sales tax at both the state and local level. To compensate for the lack of sales tax revenue, Montana relies more heavily on its income tax (top marginal rate: 5.9%) and property taxes (effective rate: 0.84%).
Shopping in Montana from Out of State
Many residents of neighboring states travel to Montanafor large purchases to avoid sales tax. While this is legal, most states require residents to pay a "use tax" on items purchased out of state and brought home. The use tax rate is typically the same as your home state's sales tax rate. Technically, you owe this tax when you file your state return, though enforcement on individual purchases varies.
Business Implications
For businesses operating in Montana, the lack of sales tax simplifies compliance significantly. There is no need to collect sales tax at point of sale, file sales tax returns, or navigate complex exemption rules. However, businesses selling into other states must still comply with those states' sales tax laws, particularly after the 2018 Wayfair Supreme Court decision established economic nexus standards nationwide.
How Montana Compares
While not paying sales tax saves money on everyday purchases, the total tax burden in Montana depends on your full tax picture. Montana's income tax (up to 5.9%) offsets some of the savings from having no sales tax. Property taxes at 0.84% effective rate also factor into the total burden. The right state for you depends on your income, spending, and property ownership profile.
Common Exemptions and Special Taxes
Even without a general sales tax, Montana does collect excise taxes on specific goods. Alcohol, tobacco products, and motor fuel are all subject to state-level excise taxes. Hotel and lodging taxes also apply in most areas. These targeted taxes fund specific programs and infrastructure rather than serving as a general revenue source.
Filing and Compliance
Residents of Montana have no sales tax filing obligations. Businesses operating solely within Montanaare not required to register for or collect sales tax. However, businesses with sales into other states should monitor their economic nexus thresholds — once you exceed a state's threshold (typically $100,000 in sales or 200 transactions), you must register to collect and remit that state's sales tax.