St. Clair County, IL Cannabis Regulations: Dispensary Zoning (2026)

Adopted by Ord. No. ), Section 40-5-31 applies only to Adult-Use Cannabis Business Establishments already licensed by the State of Illinois; on-site consumption of any kind, including smoking or eating cannabis products, is strictly prohibited. Every applicant needs a special use permit reviewed under Article XI, Division V of the Zoning Code, and the Zoning Board of Appeals weighs site design, security, parking, hours, traffic, signage and lighting before granting one. An Adult-Use Cannabis Dispensing Organization may seek that permit in the Highway Business (Section 40-4-47), B-1 Retail and Service Business (Section 40-4-54), B-2 General Business (Section 40-4-61), I-1 Research and Assembly Industrial (Section 40-4-68) or I-2 General Industrial (Section 40-4-76) districts.

Craft growers, cultivation centers, infuser organizations, processing organizations and transporting organizations are confined to the I-1 and I-2 industrial districts only. , and is barred from drive-through service, vending machines, outdoor seating, on-site residency and loitering on the property. Anyone under 21 is barred from the premises, and no establishment may employ staff younger than 21. Signage is limited to Article VII sign rules, with electronic message boards and temporary signs banned outright for cannabis businesses, and odor must be controlled to the satisfaction of the St. Clair County Health Department.