Psilocybin law · CT
Is psilocybin legal in Connecticut?
Psilocybin is illegal in Connecticut: it is a Schedule I controlled substance under Conn. Agencies Regs. 21a-243-7, and possession is a class A misdemeanor, though a state pilot program provides psilocybin-assisted therapy through FDA-approved research.
The state funds or permits research or trials; use outside them is illegal. Last checked 26 Oct 2026. Pending bills are re-checked weekly against the legislature; last change recorded 26 Oct 2026. Not legal advice.
Current status
- Psilocybin and psilocyn are listed in Schedule I of the Connecticut controlled substance regulations, Regs. Conn. State Agencies 21a-243-7(c)(32) and (33). (Connecticut eRegulations System (Department of Consumer Protection), 13 May 2026)
- Connecticut runs a psychedelic-assisted therapy pilot program in the Department of Mental Health and Addiction Services, administered by a medical school (currently Yale University), in which participants receive MDMA- or psilocybin-assisted therapy as part of an FDA-approved research program. (Connecticut Office of Legislative Research, 2026)
- Public Act 26-108 (SB 191), signed 4 June 2026 and effective 1 July 2026, opens the pilot to Connecticut residents aged 18 or older who meet clinical criteria; previously it was limited to veterans, retired first responders and direct health care workers. (Connecticut General Assembly, 4 Jun 2026; Connecticut Office of Legislative Research, 2026)
- HB 7065, which would have decriminalized possession of small amounts of psilocybin, passed the House on 19 May 2025 but was not taken up by the Senate. (Connecticut General Assembly, 20 May 2025)
Decriminalized cities and counties
None found as of 26 Oct 2026.
A local lowest-priority measure tells city or county police and prosecutors where to spend their time. It does not change state or federal law, and state or federal officers can still enforce it.
Bills
| Bill | What it would do | Status |
|---|---|---|
| SB 1912026 | An Act Concerning the Psychedelic-Assisted Therapy Pilot ProgramExpands eligibility for the DMHAS psilocybin and MDMA therapy pilot to residents 18 and older and removes its automatic end on DEA approval. | Signed 4 June 2026 (Public Act 26-108), effective 1 July 2026 (Connecticut General Assembly, 4 Jun 2026; Connecticut Office of Legislative Research, 2026) |
| HB 70652025 | An Act Concerning the Decriminalization of Possession of Small Amounts of PsilocybinWould have decriminalized possession of small amounts of psilocybin. | Passed House 19 May 2025; placed on Senate calendar 20 May 2025; died at end of session (Connecticut General Assembly, 20 May 2025) |
| HB 54562025 | An Act Allowing the Use of Psilocybin for Medicinal and Therapeutic PurposesWould have allowed psilocybin use for medicinal and therapeutic purposes. | Referred to Public Health Committee 17 January 2025; died in committee (Connecticut General Assembly, 17 Jan 2025) |
| HB 63802025 | An Act Decriminalizing the Possession of PsilocybinWould have decriminalized possession of psilocybin. | Referred to Judiciary Committee 23 January 2025; died in committee (Connecticut General Assembly, 23 Jan 2025) |
| SB 8552025 | An Act Concerning Funding for the Psychedelic-Assisted Therapy Pilot ProgramWould have appropriated funding for the psychedelic-assisted therapy pilot program. | Referred to Appropriations Committee 22 January 2025; died in committee (Connecticut General Assembly, 22 Jan 2025) |
Penalties
- Possessing any quantity of a controlled substance other than cannabis without authorization is a class A misdemeanor for a first offense (Conn. Gen. Stat. 21a-279(a)(1)). (Connecticut General Assembly, current page)
Federal law applies in Connecticut too
- Peyote and mescaline are listed in Schedule I(c) of the Controlled Substances Act, as are psilocybin, psilocyn, DMT and ibogaine. (Legal Information Institute (Cornell) reproducing the U.S. Code, current)
- Outside the exemptions, distributing a Schedule I substance not named in the large-quantity tiers carries up to 20 years and a fine of up to $1,000,000 for an individual on a first offence (21 U.S.C. 841(b)(1)(C)); simple possession carries up to 1 year and a minimum fine of $1,000 on a first offence (21 U.S.C. 844(a)). (Legal Information Institute (Cornell) reproducing the U.S. Code, current; Legal Information Institute (Cornell) reproducing the U.S. Code, current)
Questions and answers
- Is psilocybin legal in Connecticut?
- Psilocybin is illegal in Connecticut: it is a Schedule I controlled substance under Conn. Agencies Regs. 21a-243-7, and possession is a class A misdemeanor, though a state pilot program provides psilocybin-assisted therapy through FDA-approved research.
- Has any city in Connecticut decriminalized psilocybin?
- We found no city or county measure in Connecticut that makes psilocybin a low enforcement priority, as of 26 Oct 2026.
- Are there psilocybin bills in Connecticut?
- None is pending. Recent bills: SB 191, Signed 4 June 2026 (Public Act 26-108), effective 1 July 2026; HB 7065, Passed House 19 May 2025; placed on Senate calendar 20 May 2025; died at end of session; HB 5456, Referred to Public Health Committee 17 January 2025; died in committee; HB 6380, Referred to Judiciary Committee 23 January 2025; died in committee; SB 855, Referred to Appropriations Committee 22 January 2025; died in committee.
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