Montana Sales Tax Nexus Thresholds — 2026
Last updated: April 2026
Researched by the NexusFlag Research Team
Montana does not have a statewide sales tax and therefore has no economic nexus threshold.
Source: Montana Department of RevenueCheck if you've crossed nexus in Montana
Enter your Montana sales figures and NexusFlag will calculate your current exposure instantly.
Frequently asked questions about Montana sales tax nexus
Does Montana have a sales tax?
No. Montana does not impose a statewide sales tax. Remote sellers are not required to collect state-level sales tax on sales made to Montana customers.
Do I need to register for sales tax in Montana?
Remote sellers do not need to register for Montana state sales tax because there is no statewide sales tax. If you have customers in certain municipalities within Montana, local tax rules may apply — particularly in Alaska, which allows local jurisdictions to impose their own sales taxes.
Can I ignore Montana for sales tax purposes?
For state-level sales tax, yes — Montana has no statewide sales tax. However, keep records of your Montana sales in case local tax rules change or apply in specific jurisdictions.
Disclaimer: NexusFlag provides informational data about published state nexus thresholds — not tax advice. State laws change frequently. Always verify current Montana threshold requirements with the Montana Department of Revenue or a qualified sales tax professional before making compliance decisions.