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California Recreational Cannabis Laws

Prop 64 made California the world's largest legal cannabis market. Here's what adults 21 and older can legally do — and what remains off-limits.

Last verified: March 2026

What Proposition 64 Changed

The Adult Use of Marijuana Act (Proposition 64), passed by California voters on November 8, 2016, fundamentally transformed the state's relationship with cannabis. The measure passed with 57.1% of the vote after a campaign led by then-Lieutenant Governor Gavin Newsom, who chaired a blue-ribbon commission on marijuana policy in 2015.

Prop 64 immediately legalized personal possession and home cultivation on November 9, 2016, the day after the election. Commercial sales required a regulatory framework, which took over a year to build. The first legal recreational sales began on January 1, 2018, when dispensaries in San Diego, Oakland, Berkeley, and other cities that had pre-approved licenses opened their doors.

The law also mandated the resentencing or dismissal of prior cannabis convictions. By 2020, prosecutors across the state had reviewed over 75,000 cases for potential relief under Prop 64's provisions.

The MAUCRSA Framework

In 2017, the California legislature passed the Medicinal and Adult-Use Cannabis Regulation and Safety Act (MAUCRSA), which merged the existing medical cannabis regulatory system with the new adult-use market into a single, unified framework. MAUCRSA established the license types and regulatory structure that governs all commercial cannabis activity in California:

  • Cultivation: Indoor, outdoor, and mixed-light licenses at various canopy sizes
  • Manufacturing: Extraction, infusion, and packaging licenses
  • Distribution: Transport between licensees and quality assurance testing coordination
  • Testing: Independent laboratories for potency, pesticide, and contaminant testing
  • Retail: Storefront dispensaries and non-storefront delivery services
  • Microbusiness: Combined cultivation, manufacturing, distribution, and retail under one license

The Department of Cannabis Control (DCC), created in July 2021, is the sole state agency responsible for licensing and enforcement under MAUCRSA.

What's Legal for Adults 21+

If you are 21 or older with a valid government-issued ID, you may legally:

  • Purchase cannabis from any licensed retail dispensary or delivery service. No residency requirement — tourists have the same rights as California residents.
  • Possess up to 28.5 grams of cannabis flower and 8 grams of concentrates on your person.
  • Consume cannabis in a private residence, on private property with the owner's permission, or at a licensed consumption lounge (AB 1775, effective January 2025).
  • Transport cannabis within California in a sealed container or in the trunk. It must not be open or accessible to the driver or passengers.
  • Gift cannabis to another adult 21+ in amounts within the possession limits. No money or goods may be exchanged.
  • Grow up to 6 living plants per residence in a locked space not visible from public areas.

What's Still Illegal

Even with full legalization, significant restrictions remain:

  • Public consumption — Smoking or vaping cannabis in any public place carries a $100 fine, increasing to $250 within 1,000 feet of a school, daycare, or youth center while children are present.
  • Driving under the influence — Prosecuted under Vehicle Code 23152(f). California has no per se THC limit; prosecution is based on observed impairment.
  • Federal land — Cannabis is completely illegal on all federal property, including Yosemite, Joshua Tree, Death Valley, Sequoia, and all other national parks and forests. Federal rangers can and do enforce federal law.
  • Transporting across state lines — Even to another legal state like Oregon or Nevada, this is a federal offense.
  • Selling without a license — Unlicensed sales carry criminal penalties, and California has been aggressive about enforcement against illegal dispensaries.
  • Providing to anyone under 21 — Furnishing cannabis to a minor is a misdemeanor.
  • Consuming in a vehicle — Whether as driver or passenger, even if the vehicle is parked.
State Parks vs. Federal Land

California state parks allow cannabis possession but prohibit consumption. Federal lands (national parks and forests) prohibit both possession and consumption entirely. Know which land you are on.

DCC Licensing Overview

The DCC issues and oversees all commercial cannabis licenses in California. As of early 2026, the state has issued over 12,000 total licenses, though the number of active licenses is smaller as many have expired, been suspended, or surrendered due to the challenging economics of California's legal market.

The high cost of compliance, combined with competition from the illicit market and heavy taxation, has driven significant consolidation. Many small operators who entered the market in 2018 have since exited, while larger multi-state operators and well-capitalized California companies have expanded their footprint.

Official Sources

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