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Wilmington, DE Cannabis Regulations: Buffer Zones (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Buffer distance
300 feet
Protected uses
Residential districts, K-12 schools
Covered facilities
Cultivation, manufacturing, testing, retail
Citation
Wilmington City Code § 48-481
Effective
May 1, 2025

Summary

Wilmington requires marijuana cultivation, manufacturing, testing, and retail facilities to sit at least 300 feet from any residential zoning district or K-12 school under City Code § 48-481.

A buffer zone of 300 feet shall exist between any marijuana cultivation facility, marijuana product manufacturing facility, marijuana testing facility, or retail marijuana store and any: (1) Residential zoning district; or (2) Public or private school serving any grade between kindergarten and twelfth grade.

Source: Delaware Code Title 4 Chapter 13View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 72).

Full Breakdown

Adopted May 1, 2025 (Ord. No. 25-013(sub 1)), the buffer bars marijuana cultivation facilities, product manufacturing facilities, testing facilities, and retail marijuana stores from locating within 300 feet of any residential zoning district or any public or private school serving kindergarten through twelfth grade. These uses are otherwise confined to the specific commercial, manufacturing, and waterfront districts that list them by name under section 48-7, including C-5, M-1, M-2, and W-1 through W-4, so the buffer stacks on top of an already narrow set of eligible sites.

Violations & Fines

Locating within the 300-foot buffer violates the zoning code; the city can deny the certificate of zoning and building permit needed to open, per section 48-481 and the chapter 48 enforcement provisions.

Frequently Asked Questions

Which zoning districts allow marijuana businesses in Wilmington?
Section 48-7 confines cultivation, manufacturing, testing, and retail marijuana uses to the districts that expressly list them, including C-5, M-1, M-2, and the waterfront W-1 through W-4 districts, each still subject to the 300-foot buffer.
What triggers the 300-foot buffer?
Under § 48-481, the buffer applies if the site sits within 300 feet of a residential zoning district or a public or private school serving any grade from kindergarten through twelfth grade.

Sources & Official References

Other rules in Wilmington

Parking Rules: RV & Boat ParkingSignificant RestrictionsDispensary ZoningSome RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsParking Rules: Curb Color RulesSome RestrictionsParking Rules: Commercial & Oversized VehiclesHeavy RestrictionsFence Regulations: Fence Permit RequirementsSome RestrictionsFence Regulations: Retaining WallsSome Restrictions

All Wilmington rules

Compare Wilmington to another location·View the Delaware cannabis regulations overview

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