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Adult-Use & Medical — LegalNorth America

Washington

Washington legalized medical cannabis in 1998 via Initiative 692 and became one of the first two states to legalize adult-use cannabis in 2012 through Initiative 502, with retail sales beginning July 8, 2014. The Washington State Liquor and Cannabis Board (WSLCB) regulates all licensed cannabis activity. As of early 2026, approximately 1,641 active licenses include 794 producer-processors, 471 retailers, and supporting categories. The state reported over $1.8 billion in retail sales in 2025. Washington imposes a 37% excise tax on retail sales — one of the highest in the nation. Individual ownership is capped at five retail licenses. In 2026, the WSLCB tightened licensing compliance rules and management agreement requirements under ESSB 5403.

Ask the Expert about Washington
Regulator
Washington State Liquor and Cannabis Board
Key Legislation
Revised Code of Washington Chapter 69.50 — Uniform Controlled Substances Act
Year Legalized
1998
Program Size
~1,641 active licenses; $1.8B retail ...

Key Facts

  • One of the first two U.S. states to legalize adult-use cannabis (Initiative 502, 2012); retail sales began July 2014
  • 37% excise tax on retail cannabis sales — among the highest state cannabis tax rates nationwide
  • License types include producer, processor, producer-processor, retailer, cooperative, research, and transporter
  • Individual ownership capped at five retail licenses statewide under ESSB 5403
  • Medical and adult-use programs were merged in 2016; medical patients receive tax exemptions and higher possession limits

Key Legislation

Revised Code of Washington Chapter 69.50 — Uniform Controlled Substances Act (as amended by Initiative 502)

Regulatory Body

Washington State Liquor and Cannabis Board (WSLCB)

Country Info
ISO Code
US
Region
North America
Tier
Tier 1 — Active Program
Status
Adult-Use & Medical — Legal
Sources
Revised Code of Washington Chapter 69.50 — Controlled SubstancesWashington State Liquor and Cannabis Board (WSLCB)
Disclaimer: This information is for general reference only and does not constitute legal advice. Cannabis regulations change frequently. Always verify with official sources and local legal counsel before making compliance decisions.