Statewide legal status
Washington lists psilocybin and psilocyn as Schedule I controlled substances. Unauthorized possession remains unlawful; Washington has not enacted statewide personal-use decriminalization.

WA legal and access quick reference
Reviewed July 22, 2026A concise, source-dated explanation of statewide law, regulated access, and the difference between state and local policy.
Laws and implementation can change quickly. This page is educational information, not legal advice.
Washington lists psilocybin and psilocyn as Schedule I controlled substances. Unauthorized possession remains unlawful; Washington has not enacted statewide personal-use decriminalization.
Washington has no general statewide psilocybin service-center, dispensary, or retail program.
A 2023 law directed the University of Washington to establish a narrow pilot, subject to funding and federal requirements. It did not create general consumer access.
Washington has documented municipal actions in Seattle and Tacoma. Those actions affect local priorities only; they do not create statewide legalization, licensed retail, or medical suitability.
The statewide explanation above covers Bellevue, Bellingham, Everett, Kirkland, Seattle, Spokane, Tacoma and Vancouver. A separate page appears below only where a documented municipal action adds material local context.
The statewide baseline was checked against Washington’s controlled-substance and possession provisions and the enacted, partially vetoed 2023 bill that retained a task force and narrow University of Washington pilot.
Washington lists psilocybin and psilocyn as Schedule I controlled substances. Unauthorized possession remains unlawful; Washington has not enacted statewide personal-use decriminalization. Washington has no general statewide psilocybin service-center, dispensary, or retail program.
Washington has no general statewide psilocybin service-center, dispensary, or retail program. The University of Washington pilot is limited and does not establish public service centers or retail access.
No. Seattle and Tacoma policies affect local priorities only. They do not legalize commercial sale, create statewide possession rights, or override Washington or federal law.
The product-site link provides product-format and business-policy information. It does not change the law described on this page or establish legal access in any jurisdiction.