Iowa vs California Cannabis Tax Comparison
Pick up to six states to compare their cannabis tax stack side by side. Combined effective rate is the total tax you would pay at retail — excise + state sales + typical local sales + max city cannabis tax.
|
Iowa
No Legal Cannabis Market
|
California
20–30% Total Effective Tax
| |
|---|---|---|
| Combined Effective Rate | No market | 27%–38% |
| State Cannabis Excise | 0% | 15% |
| Wholesale Excise | — | — |
| State Sales Tax | 6% | 7.25% |
| Typical Local Sales | 1% | 2.25% |
| Max Local Cannabis Tax | 0% | 10% |
| Medical Tax Break? | sales exempt | sales exempt |
| Administering Agency | Iowa Department of Revenue | California Department of Tax and Fee Administration (CDTFA) |
Detailed Notes
Iowa
Iowa operates a limited medical CBD / low-THC program (3% THC cap). Program products are exempt from sales tax. No adult-use or full-flower market.
California
15% state cannabis excise on retail gross receipts. The rate briefly rose to 19% on July 1, 2025 under AB-195’s revenue trigger, then AB 564 (signed September 2025) rolled it back to 15% effective October 1, 2025 and holds it there through June 30, 2028. Cultivation tax was repealed in 2022. Medical patients with a valid MMIC card are exempt from state sales tax. Cities layer their own cannabis business taxes (0%–10%); San Francisco has suspended its local cannabis tax through 2035.