On August 23, 2016, City Council adopted an ordinance allowing marijuana stores and marijuana testing facilities in Thornton. All other marijuana businesses, including growing facilities, remain prohibited. Marijuana stores are permitted in the Community Retail and Regional Commercial zoning districts. Marijuana stores may be licensed for retail marijuana sales or for both retail and medical marijuana sales, but stores selling only medical marijuana are not allowed. One marijuana store will be allowed in each of the City’s defined four quadrants. Stores cannot be co-located with any other type of business. Marijuana testing facilities are permitted in the Industrial, Business Park, and Employment Center zoning districts. There are no restrictions on the number of testing facilities that will be allowed. Both medical and retail testing facilities are permitted.
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