Is Marijuana Legal in Washington 2025

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Updated 14/08/2025

Is Marijuana Legal in Washington 2025?

Yes. Marijuana is legal in Washington in 2025 for adult use under Initiative 502, which permits adults 21 and older to possess and use cannabis subject to state rules administered by the Washington State Liquor and Cannabis Board (LCB).

Washington Marijuana Possession Laws

In Washington, adults 21 and older may possess up to 1 ounce of usable cannabis, up to 16 ounces of cannabis-infused product in solid form, up to 72 ounces of cannabis-infused product in liquid form, and up to 7 grams of cannabis concentrate; possession above these limits may result in criminal penalties under the state’s Uniform Controlled Substance Act.

Washington Marijuana Cultivation Laws

Under Washington law, recreational home cultivation is not permitted. Only qualified patients or designated providers who hold a valid medical cannabis authorization may grow plants for medical use; the standard limit is six plants, and a health care professional may authorize up to fifteen plants when medically necessary, as provided in RCW 69.51A.210. Additionally, no more than fifteen plants may be grown or located within a single housing unit except as specified by law, per RCW 69.51A.260. Any cultivation for commercial purposes requires licensure from the LCB and is unlawful without such authorization.

Washington Marijuana Penalties

The penalties for marijuana-related offenses in Washington vary depending on the amount of marijuana involved and the nature of the offense. Possession of more than one ounce but less than 40 grams is considered a misdemeanor and can result in a fine of up to $1,000 and/or imprisonment for up to 90 days. Possession of more than 40 grams is considered a felony and can result in more severe penalties, including higher fines and longer prison sentences.

Who can recommend medical marijuana in Washington?

Under Washington law, a medical cannabis authorization may be issued by the following Washington-licensed health care professionals:

  • Medical doctors (MD)
  • Doctors of osteopathy (DO)
  • Advanced registered nurse practitioners (ARNP)
  • Physician assistants (PA)
  • Naturopathic physicians (ND)

Patients must receive a valid authorization from one of these professionals before a recognition card can be issued.

Common Questions about Washington Marijuana Laws

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