Washington: Medical Marijuana Handbook
Washington Marijuana Tax Rate
| Sales Tax Medical | Excise Tax Medical | Max Medical Tax | Sales Tax Recreational | Excise Tax Recreational | Max Recreational Tax |
|---|---|---|---|---|---|
| N/A | N/A | N/A | 6.50% | 37.00% | 43.50% |
2025 Washington Medical Marijuana Handbook 
Washington has 2 bordering states consisting of Idaho, and Oregon.
Medical marijuana is legal in Oregon , but they choose not to tax medical marijuana. There is no cannabis excise tax charged on medical marijuana in Oregon.
Medical Marijuana is illegal in Idaho, so there is no tax on medical marijuana in those states.
About Washington Medical Marijuana
Is medical marijuana legal in Washington?
Yes, medical marijuana is legal in Washington
When and how did Washington legalize marijuana for medical use?
Washington legalized medical marijuana in 1998.
This law was passed using Initiative 692
and passed
with a vote of 59%.
The official name for this law is the
Medical Cannabis
Wash. Rev. Code 69.51A.005 et seq 
Washington Medical Marijuana possession limits
Marijuana:
- 3 oz. usable
- 48 oz marijuana-infused product in solid form
- 216 oz marijuana infused product in liquid form
- 21 grams marijuana concentrate
Plants:
- 6 plants for personal use
- up to 15 plants per residence
- up to 60 plants per cooperative
Is it legal to grow marijuana for medicinal use at home in Washington?
Yes, medical marijuana patients are allowed to grow marijuana for medicinal use.
Qualifying patients can grow up to 4 plants within their home or property away from public view. No more than 15 plants can be grown at any one housing unit, no matter how many qualifying patients live at the unit. Growing of plants cannot be performed if it can be seen or smelled from a public place or the private property of another. Up to 4 qualifying patients or registered caregivers can form a cooperative and can grow up to 60 plants. No cooperative can be located within 1 mile of a marijuana retailer or within 1,000 feet of a school, playground, recreation center, public park, transportation system center, library or any game arcade for under 21 years old.
Are there medical dispensaries available to patients?
Yes, as long as the patient presents the appropriate documentation for Washington.
Approved as of Nov. 2012, stores opened in July, 2014. Retail stores can sell medical marijuana with a medical marijuana endorsement
Is there a list of specific conditions for medical marijuana in Washington?
Severe nausea
The list above, and more detailed information on it, can be found in the Washington medical marijuana law
Does Washington have a medical registry system or ID card?
No, Washington does not keep track of their medical marijuana patients.
Does Washington recognize patients from other states?
No, Washington does not recognize patients from any state.
Are there any age restrictions for medical marijuana in Washington?
Patients under the age of 18 can be prescribed medical marijuana if their parent or guardian participates in their treatment, agrees to the medical use of marijuana by the minor, and the parent or guardian acts as a designated provider for the minor and has sole control over the minor’s marijuana. The minor and their parents must be entered into the medical marijuana authorization database and possess their recognition card at all times. Any healthcare professional who prescribes marijuana to a minor must consult with other health care providers involved in the minor’s treatment before authorizing or reauthorizing the medical use of marijuana for the minor. The health care provider must also reexamine the minor every six months or more frequently as medically indicated.
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