Do contractors charge sales tax in Montana?
Montana imposes no state sales tax, so there is no state sales tax to add to a contractor's invoice. Source: Montana imposes no general sales tax (limited resort and local option taxes exist in a few communities).
| What | Montana |
|---|---|
| Contractor’s default role | No state sales tax |
Source
Montana imposes no general sales tax (limited resort and local option taxes exist in a few communities). — last checked 2026-09-15.
This is a summary of a state’s published guidance, not tax or legal advice. Rates and rules change, local jurisdictions add their own, and the treatment of a specific job depends on the contract and the work. Check the citation and speak to a CPA or a state tax adviser before relying on it.
How Seayora uses this rule
Seayora resolves this rule on every invoice a contractor raises — per line, from the job site’s own address — and prints the rate, the jurisdiction and this citation on the document itself, so the estimate a customer accepts is the invoice they are billed. Where the rule is more nuanced than a single answer, Seayora refuses to guess a total rather than quoting a confident wrong one.
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The same question in other states
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- Delaware
- District of Columbia
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