THCA Laws in California (2026)

What licensed retailers and distributors need to know to buy, stock and sell THCA in California, plus where to source it wholesale.

Last verified 2026-04-18 · Sources: FDA, USDA & state regulators (listed below)

THCA compliance in California, at a glance

THCa products are restricted in California, permitted only under specific conditions. THC content is capped at 10 mg THC per serving, 100 mg THC per package in California. Buyers must be 21+; sellers must age-gate at checkout in California. Sellers must hold a state-issued hemp license in California. This is a structural rule-set summary, not legal advice, confirm with counsel before relying on it.

Source THCA wholesale, the right way

THCA rules change state by state, so confirm the current California rules with the official sources below before you buy. When you are ready to stock, GW Products connects you to vetted suppliers with live wholesale pricing in one account.

Compare the market, buy or sell THCA on the GW Products marketplace

GW Products is a nationwide B2B marketplace, brands, warehouses and distributors list their THCA and ship direct. For retailers, our matching engine compares every listed vendor across the country and gives you three ways to buy:

• ✓ Cheapest, the lowest total price (your basket may split across several wholesalers)
• ✓ Fastest, the quickest delivery, even if it costs a little more
• ✓ Our recommendation, consolidates your order across vendors for fewer deliveries, balancing price, availability and speed

Every listing is checked by our AI compliance engine, which maps what’s legal to sell, and the tax and regulatory requirements, in California and every other state. Retailers source with confidence; brands, warehouses and distributors reach licensed buyers nationwide.

Stock THCA from vetted suppliers

THCA rules move state by state. GW Products gives you one account to source from vetted suppliers, compare wholesale pricing and restock fast. Always verify current California rules with the official sources below before you stock or sell.

Sources

• Cal. Rev. & Tax Code § 30130.51 (E-Cigarette Excise Tax)
• SB 793 (Flavored Tobacco Products Ban)
• AB 45 (Hemp Products Regulation)

More compliance guides

THCA in other states

THCA in TexasTHCA in FloridaTHCA in New YorkTHCA in Georgia

Other guides for California

Delta-8 THC in CaliforniaKratom in CaliforniaNicotine Pouches in CaliforniaVapes in California