Cannabis in California

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What You Need to Know About Legal Marijuana in California

You may be curious about marijuana (also called cannabis, pot, weed and a variety of colorful nicknames), now that it's become legal for recreational use here in the state of California. We want to be sure our visitors understand the new policies when they visit San Francisco. Please observe the following rules and regulations:

  • You must be 21 or older to have, purchase or use recreational cannabis. This includes smoking, vaping and eating cannabis-infused products.
  • You may possess 28.5 grams of cannabis plant material (about an ounce) and 8 grams of concentrated cannabis.
  • It is illegal to give or sell retail cannabis to minors.
  • It is illegal to drive under the influence of cannabis.
  • It is illegal to consume, smoke, eat or vape cannabis in public. It is illegal to open a package containing cannabis or any cannabis products in public. This includes but is not limited to parks and sidewalks, business and residential areas.
  • It is also illegal to consume cannabis in other locations where smoking is illegal, including bars, restaurants, buildings open to the public, places of employment and areas within 15 feet of doors and ventilation openings. 
  • Even though it is legal under California law, you cannot consume or possess cannabis on federal lands such as national parks, even if the park is in California. Among the areas that are federal lands in the San Francisco Bay Area are the Presidio, Alcatraz Island, the Marin Headlands and Ocean Beach. 
  • You can consume cannabis on private property, but property owners and landlords may ban the use and possession of cannabis on their properties.
  • It is illegal to take your cannabis across state lines, even if you are traveling to another state where cannabis is legal.
  • Only state licensed establishments may sell retail cannabis products.

For more information about what's legal, responsible use, and access to helpful resources, click here.