Is Psilocybin / Magic Mushrooms Legal in Washington? (2026)
Yes — Psilocybin / Magic Mushrooms are legal in Washington as of 2026.
Law changed in 2026: In February 2026, the Washington State Senate approved a bill to legalize psilocybin therapy for adults. This follows a trend of local decriminalization measures, with King County being the most recent to deprioritize enforcement in March 2026.
Quick Answer
Washington State has decriminalized possession of small amounts of psilocybin mushrooms in Seattle and some local jurisdictions, but statewide psilocybin remains illegal under RCW 69.50.401. Therapeutic use is allowed under Initiative 182 (2023) for licensed providers.
- Age restriction: Therapeutic use limited to adults 21 and older
What the Law Says
Washington has a psilocybin therapy pilot program, and some cities have decriminalized possession. The state senate has approved a bill to legalize psilocybin therapy for adults.
— Washington Revised Code of Washington - Controlled Substances
| Category | Details |
|---|---|
| Possession | Possession remains illegal statewide but decriminalized in some cities (e.g., Seattle) for small amounts. |
| Distribution | Illegal except for licensed therapeutic use under Initiative 182. |
| Penalties | Criminal penalties statewide except in decriminalized localities; therapeutic use regulated. |
| Age Restriction | Therapeutic use limited to adults 21 and older. |
| Pending Legislation | Implementation of Initiative 182 ongoing; no further bills known. |
In February 2026, the Washington State Senate approved a bill to legalize psilocybin therapy for adults. This follows a trend of local decriminalization measures, with King County being the most recent to deprioritize enforcement in March 2026.
Enforcement Reality
While psilocybin remains illegal at the state level, several cities, including Seattle and Tacoma, have made it a low law enforcement priority. King County has also deprioritized enforcement, but state law can still be enforced.
A common mistake is to assume that decriminalization in some cities applies statewide. State law has not changed, and possession of psilocybin can still be prosecuted in jurisdictions that have not decriminalized it.
Local Exceptions
None identified. State law applies uniformly across Washington. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Psilocybin / Magic Mushrooms are legal in Washington. You can possess them without violating state law, though federal rules and local ordinances may still apply. Always verify current law before acting.
Washington vs. the Rest of the US
Across the US, possessing psilocybin mushrooms is fully legal in 2 states, restricted in 3, and illegal in 35. Washington falls in the LEGAL category.
View the full 50-state map →Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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