Cannabis tax rates by state are built from three layers: a state excise tax, ordinary sales tax, and in many markets an extra local tax. The excise tax is the largest piece, and across legal states it generally runs from roughly 10% to 37% of the retail price. Because rates change with legislation, treat any statewide figure as a starting point and confirm the current number before you budget a purchase.

How cannabis taxes are structured

States rarely apply one flat rate. Most collect fees at several points in the supply chain, and only part of the total appears as a line item on your receipt.

• Percentage-of-price excise tax. A percentage added to the retail price, commonly between 15% and 37%.
• Weight-based tax. Collected from cultivators per ounce or per pound, then folded into the shelf price. You may never see it listed.
• General sales tax. The same tax applied to most retail goods, usually a few percent at the state level.
• Local and municipal add-ons. City and county taxes that can push your total well above the state rate.
• Program-specific fees. Some states layer on a separate fee tied to social equity or enforcement funding.

Examples of cannabis tax rates by state

The list below shows the general shape of each state's approach. Rates are set by legislatures and regulators, so verify the current figure with your state revenue department before a purchase.

• Washington: A single 37% excise tax on retail sales, plus local sales tax. No separate state sales tax applies to cannabis there.
• Illinois: Tiered rates based on THC content, roughly 10% for flower at the lower tier and up to about 25% for high-potency products, plus standard sales tax.
• California: A 15% excise tax on retail sales, plus state and local sales tax, plus local cannabis business taxes in many cities.
• Oregon: A 17% retail tax on adult-use sales, with medical cannabis generally exempt.
• Colorado: A 15% excise tax plus state and local sales tax on retail purchases.
• Massachusetts: About a 10.75% excise tax plus the state sales tax, with an optional local tax on top.
• Michigan: A 10% excise tax plus the standard state sales tax.
• Nevada: A 10% excise tax plus local sales tax.
• Arizona: An excise tax near 16% on retail sales.
• Alaska: A weight-based tax collected from cultivators per ounce, rather than a percentage at the register.

Why the shelf price is not the final price

Most dispensaries display the pre-tax price on the menu, so the number you see on a jar or a screen is not what you hand over. Tax is calculated at checkout and added to the subtotal. If you are shopping a menu online, check whether the store shows tax-inclusive or tax-exclusive pricing, because the difference can be a third of your total.

Local taxes are the wild card. Two stores a few miles apart in the same state can charge noticeably different totals once city and county rates are applied. A municipality with a high local cannabis tax can add several percentage points to the state figure.

Medical cannabis and tax

Many states reduce or waive cannabis taxes for registered medical patients. Oregon, for example, exempts medical sales from its retail tax. Other states apply a lower excise rate or exempt medical products from sales tax entirely. If you qualify for a medical card, ask the budtender whether your purchase rings up differently, and bring your state card or certificate.

What to budget for a store visit

• Expect taxes to add roughly 20% to 40% on top of the sticker price in the most heavily taxed states.
• Bring more cash than you plan to spend. Many shops are cash-only or have ATM fees.
• Ask about tax-inclusive pricing if you want to hit an exact budget.
• Keep your receipt. Some states allow medical patients to claim a refund or exemption.

Rates shift as legislatures revise budgets and new programs launch, so the safest habit is a quick check of your state revenue department page before a big purchase.