Is Psychedelic Therapy Legal in Washington?
Washington has decriminalized personal use of at least one psychedelic, but supervised therapeutic use is not yet a regulated pathway.
Status by substance
State-level status for lawful supervised therapeutic use. Regardless of state law, classic psychedelics remain Schedule I federally. Last reviewed 2026-06.
Psilocybin
DecriminalizedStatewide Schedule I (RCW 69.50.204), but Seattle, Olympia, and Port Townsend (and King County) passed municipal deprioritization resolutions — local enforcement priority only, not legal protection and no lawful supply. A licensed-access bill has been considered but not enacted. Decriminalized (local) per rubric.
Official source (2026-06) ↗Mescaline / Peyote
IllegalMescaline Schedule I; peyote only via federal NAC exemption.
Official source (2026-06) ↗Ketamine
Legal / regulated accessTracked separately — a prescription medicine, excluded from the blended status.
Prescription / off-label therapeutic use.
Official source (2026-06) ↗Educational information, not legal advice. Laws change — confirm with the official sources above before making decisions.
Looking for legal psychedelic-assisted therapy?
ATMA CENA provides supervised, legal psychedelic-assisted therapy in Canada and trains practitioners across North America.