Seattle, Washington Cannabis Tax Rate
46% totalAdministering agencies: Washington State Liquor and Cannabis Board · Updated for 2026
A legal cannabis purchase in Seattle is taxed at a combined effective rate of about 46% — all of it from Washington's state-level taxes, since Seattle does not add a local cannabis tax. Every major Washington city tracked here carries the same combined rate, because Washington does not let cities add their own cannabis tax on top of the state rate. On a typical $100.00 dispensary purchase that works out to roughly $46.00 in tax, or about $146.00 out the door.
Seattle is Washington’s largest city. Washington’s 37% cannabis excise is the highest in the nation, and the state does not allow cities to add their own cannabis tax.
How Much Is Cannabis Tax in Seattle?
Use these worked examples to see what Seattle's 46% combined cannabis tax adds to a dispensary purchase. Figures apply the Washington state excise, 6.5% state sales tax, typical local sales tax to the pre-tax price.
| Pre-tax price | Total tax | Seattle city tax | You pay |
|---|---|---|---|
| $50.00 | $23.00 | $0.00 | $73.00 |
| $100.00 | $46.00 | $0.00 | $146.00 |
| $200.00 | $92.00 | $0.00 | $292.00 |
Estimates treat all taxes as applied to the retail price; actual receipts vary by product, potency tax (where applicable), and exact local sales rate. Model a specific basket with the Seattle tax calculator.
Seattle Cannabis Tax Breakdown
| Tax | Rate | Notes |
|---|---|---|
| Washington Cannabis Excise | 37% | State-imposed retail excise |
| Washington State Sales Tax | 6.5% | Medical cannabis exempt |
| Typical Local Sales Tax | 2.5% | County / district average |
| Seattle Cannabis Business Tax | 0% | No city cannabis tax levied |
| Combined Effective Rate | 46% | What you actually pay at retail |
Official source: Washington State Liquor and Cannabis Board ↗ · rates compiled 2026-08-11 · city rates set by local ordinance.
How Medical Cannabis Is Taxed in Seattle
Qualifying registered medical patients are exempt from the 37% state cannabis excise and the 6.5% state sales tax. In practice that trims roughly $43.50 off every $100.00 spent versus an adult-use purchase in Seattle.
Why Is Cannabis Taxed This Much in Seattle?
Cannabis in Seattle carries layers of tax that ordinary retail goods never see. Washington adds its 37% cannabis excise on top of ordinary sales tax. Because Seattle does not add a local cannabis tax, shoppers here pay only the Washington state-level taxes — which keeps Seattle on the lower-cost end of the Washington market.
37% cannabis excise tax — the highest in the nation — on top of state + local sales tax. Qualifying medical patients registered in the DOH database are exempt from the 37% excise and from state/local sales tax on compliant products.
Seattle vs Other Washington Cities
Washington keeps local cannabis taxes uniform, so the combined rate in Seattle matches the other major cities below — the main cost difference between them comes down to base dispensary pricing, not tax.
| City | City Cannabis Tax | Combined Effective Rate |
|---|---|---|
| Seattle (this page) | 0% | 46% |
| Spokane | 0% | 46% |
| Tacoma | 0% | 46% |
| Bellevue | 0% | 46% |
See the full Washington cannabis tax guide →
Frequently Asked Questions
What is the cannabis tax rate in Seattle, Washington?
How much tax will I pay on a $100 cannabis purchase in Seattle?
How much is the cannabis business tax in Seattle?
Are medical cannabis patients exempt from Seattle's tax?
Where can I buy cannabis in Seattle?
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