Lee's Summit, MO Public Conduct: Public Marijuana Use (2026)
Key Facts
- Maximum civil penalty
- $100
- Penalty type
- civil, not criminal
- Covered locations
- sidewalks, streets, parks, schools, businesses
- Home exception
- own or consenting resident's home
- Adopted
- Ord. No. 9594, Jan. 17, 2023
Summary
Lee's Summit bars consuming adult-use marijuana in any public place, sidewalks, streets, parks, schools and businesses included, and backs it with a civil fine capped at $100 under a companion penalty section rather than criminal jail time.
A.No person shall consume adult use marijuana in a public place.B.As used in this section only, "public place" means the same as the term defined by applicable Missouri Regulation, as amended, which is any public or private property, or portion of public or private property, that is open to the general public, including, but not limited to, sidewalks, streets, bridges, parks, schools, and businesses. "Public place" shall not include:1.The residence of the person consuming adult use marijuana or the residence of another person when the person in control of that property has consented to the consumption of adult use marijuana; or2.An area licensed by the authorities having jurisdiction over the licensing and/or permitting of said activity.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 55 | Unified Development Ordinance: Supplement 15).
Full Breakdown
Sec. 17-246 flatly bans consuming adult-use marijuana in a 'public place,' a term the ordinance ties directly to the definition used in state marijuana regulations: any public or private property, or portion of it, that is open to the general public, expressly including sidewalks, streets, bridges, parks, schools and businesses. The exceptions are narrow and mirror the definitions used across the chapter's marijuana provisions (Secs. 17-242 through 17-248): a person's own residence, another person's residence where the occupant has consented to the consumption, and any area specifically licensed by the authority with jurisdiction over that licensing or permitting, such as a state-licensed consumption lounge.
Enforcement sits alongside Sec. 17-245's ban on cultivating more than three ounces of visible or unlocked marijuana at a residence and Sec. 17-244's parallel ban on public medical-marijuana consumption, all adopted together by Ordinance No. 9594 in January 2023 to implement Article XIV of the Missouri Constitution at the local level. The penalty for smoking marijuana in public is set in the companion penalties section, Sec. 17-248(C), as a civil infraction rather than a criminal charge, consistent with how Missouri's constitutional marijuana amendment treats low-level violations.
Violations & Fines
Sec. 17-248(C) makes a person who smokes marijuana in a public place, in violation of Sec. 17-246, subject to a civil penalty not exceeding $100, authorized under Article XIV of the Missouri Constitution, rather than the Code's general criminal fine and jail exposure that applies to most Chapter 17 offenses.
Frequently Asked Questions
Is smoking marijuana in a Lee's Summit park a criminal offense?
Can you consume marijuana on your own porch in Lee's Summit?
Does Lee's Summit's public marijuana ban cover licensed consumption areas?
Sources & Official References
Other rules in Lee's Summit
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Public Marijuana Use in Nearby Cities
How other cities in Jackson County handle public marijuana use.