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Psilocybin law in every state

Psilocybin law · IL

Is psilocybin legal in Illinois?

ProhibitedSchedule I federally

Psilocybin is illegal in Illinois: it is a Schedule I controlled substance under 720 ILCS 570/204, and possessing it is a Class 4 felony.

Psilocybin is a controlled substance under state law with no programme for its use. 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 as hallucinogenic substances in Schedule I of the Illinois Controlled Substances Act, 720 ILCS 570/204(d)(16) and (17). (Illinois General Assembly, current page)
  • SB 2772, which would create an Illinois Psilocybin Advisory Board within the Department of Financial and Professional Regulation, passed the Senate 41-13 on 7 May 2026 and was re-referred to the House Rules Committee on 15 May 2026. (Illinois General Assembly, 15 May 2026)
  • The Compassionate Use and Research of Entheogens (CURE) Act, HB 1143, which would establish a psilocybin advisory board and regulated program, was re-referred to the House Rules Committee on 27 March 2026. (Illinois General Assembly, 27 Mar 2026)

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

BillWhat it would doStatus
SB 27722025-2026 (104th General Assembly)Illinois Psilocybin Advisory Board ActWould create a psilocybin advisory board in the Department of Financial and Professional Regulation to advise on psilocybin and associated services.PendingPassed Senate 41-13 on 7 May 2026; re-referred to House Rules Committee 15 May 2026 (Illinois General Assembly, 15 May 2026)
HB 11432025-2026 (104th General Assembly)Illinois CURE Act (Compassionate Use and Research of Entheogens Act)Would create an Illinois Psilocybin Advisory Board and a regulated psilocybin framework and amend the Controlled Substances Act.PendingRe-referred to House Rules Committee under Rule 19(a) 27 March 2026 (Illinois General Assembly, 27 Mar 2026)
HB 29922025-2026 (104th General Assembly)Healing Opportunities through Psilocybin Equity (HOPE) Pilot Program ActWould create a psilocybin pilot program and an Illinois Psilocybin Advisory Board in the Department of Financial and Professional Regulation.PendingRe-referred to House Rules Committee under Rule 19(a) 27 March 2026 (Illinois General Assembly, 27 Mar 2026)

Penalties

  • Possessing a controlled substance in an amount below the large-quantity thresholds of 720 ILCS 570/402(a) is a Class 4 felony with a fine of up to $25,000 (720 ILCS 570/402(c)). (Illinois General Assembly, current page)

Federal law applies in Illinois too

Questions and answers

Is psilocybin legal in Illinois?
Psilocybin is illegal in Illinois: it is a Schedule I controlled substance under 720 ILCS 570/204, and possessing it is a Class 4 felony.
Has any city in Illinois decriminalized psilocybin?
We found no city or county measure in Illinois that makes psilocybin a low enforcement priority, as of 26 Oct 2026.
Are there psilocybin bills in Illinois?
3 bills are still pending: SB 2772 (Passed Senate 41-13 on 7 May 2026; re-referred to House Rules Committee 15 May 2026); HB 1143 (Re-referred to House Rules Committee under Rule 19(a) 27 March 2026); HB 2992 (Re-referred to House Rules Committee under Rule 19(a) 27 March 2026).

More: recruiting psychedelic trials in Illinois · every state · the law outside the US · download this data

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