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marijuana growing laws in washington state

Retail sales of cannabis by state-licensed entities to those over the age of 21 are regulated in this state. Marijuana sales by unlicensed entities remain subject to criminal penalties.


Possession of more than 40 grams is a class C felony punishable by up to 5 years imprisonment and/or a fine up to $10,000. An additional mandatory $1,000 fine applies to first time offenses and a $2,000 fine to second or subsequent offenses.

Sale or Distribution

Marijuana is a Schedule I hallucinogenic substance under the Washington Uniform Controlled Substances Act.

Marijuana growing laws in washington state

Like tobacco, smoking cannabis in any indoor location is subject to the restrictions of the Washington state’s Smoking in Public Places law (RCW 70.160). Not sure how this applies to you? Ask your hotel about their rules regarding smoking or using in rooms.

Including things like dabs and oil.

7 grams of cannabis concentrate.

Want to know if you can buy cannabis? You need to be 21 or older—and have a valid photo ID to prove it. With that, you can buy cannabis from any store licensed by the Washington State Liquor and Cannabis Board.


Driving a car or operating a boat under the influence of cannabis isn’t just illegal—it’s dangerous. That goes for passengers too. Even if you’re only along for the ride, it’s still illegal to have cannabis outside of its original, unopened package or use it while in the passenger seat.

Whether you’re visiting Washington state or leaving it, learn the laws around traveling with cannabis.

Think candy, brownies, crackers, mints, and more.

In the car

That includes sharing cannabis with anyone underage, like your friends or family. Which also means it’s illegal for even parents to give cannabis to their teens.

Every employer and landlord is different. But each of them has the right to restrict cannabis use—even if you’re of legal age. So, before you use, ask your employer or landlord their rules around cannabis.