Research or pilot activityReviewed May 15, 2026
Is Psilocybin Legal in Washington?
Washington has seen research, task-force, or therapeutic-use activity, but it does not have a broad retail psilocybin market as of last review. Possession outside any lawful research or licensed context can still carry legal risk.
- Status
- Research or pilot activity
- Last reviewed
- May 15, 2026
- Cities tracked
- 2
- Active bills
- 1
Key facts
- Federal law still lists psilocybin as a Schedule I controlled substance in every U.S. state.
- Washington's page was last reviewed on 2026-05-15.
- Washington has had research, study, or pilot-program activity, but readers should verify current agency rules before relying on it.
- 2 city-level moves are tracked on this page.
- This page is educational journalism, not legal advice.
- It does not provide sourcing, buying, or cultivation guidance.
Notable recent moves
Washington has appeared in recent state-level discussions about psychedelic research, task forces, or therapeutic-use pilots.
As of last review, readers should treat those moves as limited policy activity unless a state agency has opened a regulated service pathway.
Active bills
| Name | Chamber | Status |
|---|---|---|
| Psilocybin services and task force proposals | Legislature | Bills have been introduced and studied, but no Oregon-style service system is active. |
Decriminalized cities
- Seattle (2021)
- Port Townsend (2021)
Frequently asked questions
- Is psilocybin legal in Washington?
- No broad adult-use legalization is in effect in Washington as of last review. Some local or research activity may exist, but state and federal restrictions still matter.
- Can I be prosecuted for psilocybin possession in Washington?
- Possession can still create legal risk, especially outside a licensed or otherwise legally protected context. Ask a qualified Washington attorney for advice on a real situation.
- Does decriminalization in Seattle make psilocybin legal statewide?
- No. A city policy in Seattle does not legalize psilocybin across Washington and usually does not create a lawful sales system.
- Is there legal psilocybin therapy in Washington?
- Washington does not currently operate an Oregon-style statewide psilocybin services system as of last review.
- Where should I check the latest Washington rules?
- Start with official state statutes, agency pages, and local government notices. This page is an educational snapshot reviewed on 2026-05-15.
Sources
Educational information only. Not legal advice, medical advice, or sourcing guidance. Verify current law with official state sources and a qualified attorney.