Washington Psilocybin Mushrooms Ban (2026): In Force

Ban in force

As of November 12, 2026, Psilocybin Mushrooms are banned from retail sale in Washington, effective May 21, 1971. The ban comes from federal scheduling, which takes precedence over state law.

Verified November 12, 2026. Full determination, citations and verbatim law: Is Psilocybin Mushrooms legal in Washington?

When does the Washington Psilocybin Mushrooms ban take effect?

The Washington Psilocybin Mushrooms ban is already in force (effective May 21, 1971); no further effective date is pending.

QuietNo pending legislation, deadlines or enforcement actions on file for Psilocybin Mushrooms in Washington.

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Every state where Psilocybin Mushrooms are banned · All compounds in Washington · Are Psilocybin Mushrooms Legal? Every state

Cite this page

Compound Analytics. "Washington Psilocybin Mushrooms Ban (2026): In Force." Compound Laws, https://compoundlaws.com/bans/psilocybin/washington/. Accessed November 13, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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