Montana is one of five states with no state sales tax, making it a popular shopping destination — especially for neighboring North Dakota and Idaho residents. Resort communities like Whitefish and West Yellowstone levy a local resort tax (up to 4%) specifically targeting tourist-oriented purchases, but everyday retail in Billings, Missoula, and Bozeman is completely sales-tax-free.
Montana sales tax overview
| Component | 2026 Rate |
|---|---|
| State sales tax | 0.000% |
| Avg local add-on | 0.000% |
| Avg combined | 0.000% |
| Maximum combined | 4.00% |
Note: Montana has no state sales tax. Some resort communities (Big Sky, Whitefish, West Yellowstone) levy a local resort tax up to 4%.
Montana sales tax by city
Combined state + local sales tax rates for major cities in Montana:
| City | Combined Rate |
|---|---|
| Billings | 0.000% |
| Missoula | 0.000% |
| Bozeman | 0.000% |
| Whitefish (resort tax) | 3.00% |
What's exempt in Montana
Groceries
Exempt from Montana state sales tax. Local jurisdictions may still tax.
Clothing & footwear
Exempt from Montana sales tax.
Prescription drugs
Exempt from sales tax (typical across most states).
How Montana sales tax is calculated
Sales tax in Montana is calculated by multiplying the pre-tax purchase price by the applicable combined rate. The formula is simple:
Sales Tax = Purchase Price × 0.000% (avg combined)
Total = Purchase Price + Sales Tax
The exact rate depends on where the purchase occurs — the state base rate (0.000%) plus any local city or county add-ons. Montana allows local jurisdictions to add their own taxes, so the rate varies by location.
Quick calculation examples at average rate 0.000%:
$100 item
$0.00 tax
$100.00 total
$250 item
$0.00 tax
$250.00 total
$500 item
$0.00 tax
$500.00 total
$1,000 item
$0.00 tax
$1000.00 total
Additional tax-free items in Montana
Beyond the standard exemptions, Montana also provides sales tax relief on these categories:
Exemptions may have conditions. Always verify with the Montana Department of Revenue for complete rules.
Montana sales tax in context: rates, history, and neighbors
Montana is one of five US states with no state sales tax — the others being Alaska, Delaware, New Hampshire, and Oregon. Montana funds state government primarily through individual income tax (top rate 5.9% for 2026 income), corporate income tax, mineral severance taxes, and natural resource royalties. Resort communities (Whitefish 3%, Big Sky 4%, West Yellowstone 3%, Gardiner 3%, Red Lodge 3%) charge a local Resort and Recreation Tax on tourist-oriented purchases (lodging, restaurants, bars, recreation) — Montana residents typically get exempted by showing a state ID. Compared to neighbors: Idaho (6%), Wyoming (~5.44% combined), North Dakota (~7.05%), South Dakota (~6.10%), Canada (5%+ GST/HST) — Montana's no-tax status makes it a popular cross-border shopping destination for Idahoans and Wyoming residents.
Online shopping & Montana sales tax
Montana has no state sales tax to collect online or in-store. Montana residents have no state-level obligation for online purchases. However, online sellers with nexus in other states may still be required to collect those states' taxes on sales to Montana customers, but Montana itself has no mechanism to tax out-of-state purchases.
Use Tax reminder: If you purchase taxable goods online from a seller who does NOT collect Montana sales tax, you technically owe Use Tax — the same rate as sales tax, reportable on your Montana state tax return. Use Tax enforcement on consumers is rare but the obligation exists for significant purchases.
How much Montana sales tax on common purchases?
Using Montana's average combined rate of 0.000%:
| Purchase | Price | Sales Tax | Total |
|---|---|---|---|
| Grocery cart | $150 | Exempt | $150.00 |
| Clothing / shoes | $120 | Exempt | $120.00 |
| Prescription drug | $80 | Exempt | $80.00 |
| Smartphone | $999 | $0.00 | $999.00 |
| Laptop / tablet | $1,299 | $0.00 | $1299.00 |
| New car ($35,000) | $35,000 | $0.00 | $35000.00 |
| Home appliance | $1,500 | $0.00 | $1500.00 |
| Restaurant meal | $60 | $0.00 | $60.00 |
Based on Montana's average combined rate of 0.000%. Exact tax depends on city/county. Use our calculator above for specific locations and amounts.
Collecting sales tax in Montana: business guide
If you sell goods or taxable services to Montana customers, here's what you need to know:
- Registration: Register for a Montana sales tax permit/license through the Montana Department of Revenue before making your first taxable sale. Most states process registrations online within a few days.
- Economic nexus (online sellers): If you have $100,000+ in Montana annual sales or 200+ transactions, you must collect Montana sales tax even without a physical presence in the state — per South Dakota v. Wayfair (2018). You must collect both state (0.000%) and applicable local rates.
- Destination vs origin sourcing: Montana uses destination-based sourcing for most sales — the tax rate where the buyer receives the goods applies. Always use the customer's delivery address to determine the rate.
- Filing frequency: Frequency depends on your Montana sales volume — monthly for high-volume sellers, quarterly or annually for low-volume sellers. Check with the Montana Department of Revenue for your specific filing schedule.
- Marketplace sales: If you sell through Amazon, Etsy, eBay, or similar platforms, the marketplace is required to collect and remit Montana sales tax on your behalf — you don't need to collect it separately on marketplace transactions.
- Resale certificates: Businesses purchasing goods for resale can provide a Montana resale certificate to suppliers to avoid paying sales tax on wholesale purchases. Keep copies of all resale certificates for audits.
Streamlined Sales Tax (SST): Montana is not currently a member of the Streamlined Sales Tax (SST) Agreement — check Montana Department of Revenue for filing specifics.
Montana-specific business compliance details
Montana businesses do not collect a general state sales tax — there is none. Most Montana businesses have no sales tax registration or compliance burden. Resort tax businesses (in qualifying resort communities) must register with their local resort tax board and file monthly. Out-of-state businesses selling to Montana customers have no Montana state sales tax obligations. Montana businesses selling to other states must comply with those states' economic nexus rules. Montana's lack of sales tax simplifies compliance dramatically — most businesses only deal with income tax, payroll tax, and property tax obligations. The resort tax compliance is location-specific — only ~15 Montana communities have resort taxes.
Montana sales tax frequently asked questions
Is all shopping truly tax-free in Montana?
At the state level, yes — Montana has no state sales tax. Shopping in Billings, Missoula, Bozeman, or Helena is completely free of sales tax on all goods. The exception is resort communities: Whitefish charges 3% on tourist-oriented transactions (lodging, restaurants, alcohol, amusements), Big Sky charges 4%, and West Yellowstone charges 3%. Locals are generally exempt from resort taxes with proof of residency.
Do people drive to Montana from neighboring states to avoid sales tax?
Yes — residents of North Dakota (5%), Idaho (6%), and Wyoming (4%) regularly cross into Montana for major purchases. The savings on a $2,000 appliance can reach $120 (6% Idaho rate), and for car purchases the math is even more compelling. Montana has no sales tax even on vehicles, though car buyers must pay title and registration fees in their home state when they return — which sometimes includes a use tax.
What taxes do Montana resort communities charge?
Several Montana resort communities levy a local Resort and Recreation Tax under state law. As of 2026: Whitefish charges 3% on lodging, restaurants, bar, and recreation; Big Sky charges 4% on similar categories; West Yellowstone charges 3%; Gardiner charges 3%. These apply to tourist purchases, not everyday retail. Montana residents in these towns are typically exempt by showing a Montana driver's license.