Cannabis Regulations in Arapahoe County, CO (2026)

2 county-level rules, plus city-specific rules for 2 cities in Arapahoe County, Colorado.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Arapahoe County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Home Cultivation

Colorado Amendment 64 and C.R.S. §18-18-406 permit adults 21+ to grow up to 6 plants per adult (12 max per household, only 3 flowering). Aurora City Code §94-370 caps at 12 per household. Plants must be in enclosed, locked space not visible to public. Arapahoe County follows state framework in unincorporated areas.

cannabis/home-cultivation

Some Restrictions

C.R.S. § 18-1.3-401.5

or produced on land that the person owns, occupies, or controls. (II) (A) Regardless of whether the plants are for medical or recreational use, it is unlawful for a person to knowingly cultivate, grow, or produce more than twelve marijuana plants on or in a residential property; or to knowingly allow more than twelve marijuana plants to be cultivated, grown, or produced on or in a residential p...

Full ordinance details →Official source ↗

Dispensary Zoning

Unincorporated Arapahoe County prohibits marijuana land uses outright under Land Development Code § 3-3.5.B. The sole exception is a grandfathered class of Commercial Marijuana Stores licensed as of August 1, 2022, capped countywide at four stores under § 3-3.5.C.1.a.

Arapahoe County Marijuana Business Ban & Exception

Heavy Restrictions

Arapahoe County Land Development Code § 3-3.5.B; § 3-3.5.C.1.a

The use of land, buildings, or structures to grow, produce, cultivate, sell, dispense, distribute, store, test, or manufacture marijuana and/or marijuana products, or as a marijuana club, is not allowed or permitted throughout unincorporated Arapahoe County, except to the extent specifically identified in Section 3-3.5.C, below. ... No more than four (4) commercial marijuana stores are permitte...

Full ordinance details →Official source ↗

Cannabis Regulations by City in Arapahoe County

2 cities in Arapahoe County have their own cannabis regulations rules. Each link goes to that city's dedicated page with code citations.

AuroraPop. 386,261

2 verified rules • Buffer Zones, Dispensary Zoning

CentennialPop. 108,418

1 verified rule • Dispensary Zoning

All Arapahoe County ordinances

See every category we cover for Arapahoe County: parking, noise, fences, fires, animals, pools, and more.

Arapahoe County Ordinance Hub →