Possession
Massachusetts classifies psilocybin and psilocyn as Class C controlled substances. Knowing possession remains unlawful unless authorized by law.
Somerville, MA local quick reference
Reviewed July 22, 2026Psilocybin law and local policy in Somerville
The practical distinction between Massachusetts law, any verified local enforcement policy, and regulated access.
A lowest-enforcement-priority policy is not the same as legalization. Sale, retail, gifting, public use, and conduct outside the policy may remain prohibited.
Regulated access
Massachusetts has no current statewide psilocybin service-center, personal-use, dispensary, or retail program.
Local enforcement-priority policy
Somerville’s Resolution 211137 makes specified adult entheogenic activity a lowest enforcement priority and limits city resources for those cases. It does not change Massachusetts law or authorize sales.
Somerville record
Somerville adopted Resolution 211137 on January 14, 2021. It directs that city resources not be used for investigation or arrest involving specified adult entheogenic activities and treats those activities as a lowest enforcement priority. The resolution excludes commercial sales or manufacturing, school activity, impaired driving, and public disturbance.
Official record: City of Somerville — Resolution 211137 ↗
What this means in Somerville
Somerville’s Resolution 211137 makes specified adult entheogenic activity a lowest enforcement priority and limits city resources for those cases. It does not change Massachusetts law or authorize sales. It does not establish medical suitability, dosing guidance, product quality, or lawful commercial access.
Sources used for this review
The municipal action was checked against Somerville’s official legislative record. Massachusetts statutes remain the controlling statewide sources.
Common questions
Is psilocybin legal in Somerville?
Massachusetts classifies psilocybin and psilocyn as Class C controlled substances. Knowing possession remains unlawful unless authorized by law. Somerville’s Resolution 211137 makes specified adult entheogenic activity a lowest enforcement priority and limits city resources for those cases. It does not change Massachusetts law or authorize sales.
Does Somerville have legal psilocybin retail or dispensaries?
No. Resolution 211137 excludes commercial sale and manufacturing and does not establish dispensaries or a state service program.
Where should I verify the current rule for Somerville?
Check the current Massachusetts statutes and Somerville legislative record linked above. This page is a dated educational summary, not legal advice.
Continue at the right depth
The product-site link does not change local or state law and should not be read as a statement of legal availability.