Cannabis Regulations in King County, WA (2026)

2 county-level rules, plus city-specific rules for 7 cities in King County, Washington.

Verified from official government sources

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

Dispensary Zoning

Unincorporated King County has not opted out of retail cannabis: the zoning code permits cannabis retailers under King County Code § 21A.08.070.B.26, capping floor area at 2,000 square feet per lot and requiring 1,000 feet of separation between retail cannabis lots.

King County Cannabis Retailer Zoning Rules

Some Restrictions

King County Code § 21A.08.070.B.26.a, .c

26.a. Per lot, limited to a maximum aggregated total of two thousand square feet of gross floor area devoted to, and in support of, the retail sale of cannabis. ... c. Any lot line of a lot having any area devoted to retail cannabis activity shall be one thousand feet or more from any lot line of any other lot having any area devoted to retail cannabis activity.

Full ordinance details →Official source ↗

Buffer Zones

State law and King County Code require licensed cannabis retailers, producers, and processors to sit at least 1000 feet from schools, playgrounds, recreation centers, child care, public parks, public transit centers, libraries, and game arcades. Cities may reduce the buffer to 100 feet for some uses.

1000 Foot Buffer From Schools and Parks

Heavy Restrictions

RCW 69.50.331(8)-(9)

(8)(a) Except as provided in (b) through (e) of this subsection, the board may not issue a license for any premises within 1,000 feet of the perimeter of the grounds of any elementary or secondary school, playground, recreation center or facility, child care center, public park, public transit center, or library, or any game arcade admission to which is not restricted to persons aged 21 years o...

Full ordinance details →Official source ↗