Cannabis Regulations in Portland, ME (2026)
2 verified cannabis regulations for Portland, Maine, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dispensary Zoning
Portland caps marijuana retail stores and registered dispensaries at 2,000 square feet of gross floor area, and separately limits marijuana cultivation facilities to under 2,000 square feet of plant canopy in the I-L/I-Lb zones and under 7,000 square feet in the I-M/I-Mb zones, per Land Use Code § 6.4.23(C)-(D).
Portland Marijuana Retail Floor Area Cap
Some RestrictionsPortland Code of Ordinances, Ch. 14, § 6.4.23(C)-(D) (Land Use Code, eff. 7/1/2026)
C. Marijuana retail stores and registered dispensaries may not exceed a maximum gross floor area of 2,000 square feet. D. Marijuana cultivation facilities shall be limited to less than 2,000 square feet of plant canopy in the I-L/I-Lb zone and less than 7,000 square feet of plant canopy in the I-M/I-Mb zone.
Buffer Zones
Portland bars marijuana cultivation, manufacturing, testing, retail, caregiver, and dispensary uses within 500 feet of any pre-existing public, private, or preschool program, and bars cultivation, manufacturing, and testing facilities within 300 feet of any residential zone, both measured lot line to lot line under Land Use Code § 6.4.23(B).
Portland Marijuana School Buffer Rules
Significant RestrictionsPortland Code of Ordinances, Ch. 14, § 6.4.23(B) (Land Use Code, eff. 7/1/2026)
B. Location criteria 1. No marijuana cultivation facility, marijuana manufacturing facility, marijuana testing facility, small-scale marijuana caregiver, marijuana store, or registered dispensary may be located within 500 feet of a pre-existing public school, private school, or a public preschool program, as defined by 20-A M.R.S. § 1. Distance shall be measured in a straight line from the near...