Washington
Cannabis Law Guide & THCA Vendor SOP
Hemp Law
Washington SB 5367 (2024) restricts hemp-derived THC products. Intoxicating hemp products must go through LCB-regulated cannabis market. Total THC applies.
Licensing Agency
Washington State Department of Agriculture / Liquor and Cannabis Board
Licensing Info →Important Note
Washington brought intoxicating hemp products under LCB regulation in 2024 to protect the regulated cannabis market.
Marijuana / Cannabis Law
I-502 (2012) legalized adult-use. LCB regulates. First state to open sales alongside Colorado.
Possession Limit
1 oz usable; 16 oz solid edible; 72 oz liquid edible; 7g concentrate; no home grow (adult-use)
Mature market. No home grow for adult-use. Seed-to-sale tracking. Social equity programs.
THCA Vendor SOP — Washington
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WARNING: Intoxicating hemp products require LCB cannabis license in WA
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Non-intoxicating hemp: WSDA registration
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Total THC calculation applies for hemp compliance
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Products with detectable THC must enter LCB-regulated supply chain
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Comply with all LCB packaging, labeling, and testing requirements
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Age-gate: 21+ for all THC products
Hemp Vendor Requirements
- WSDA hemp registration for non-THC products
- LCB license required for intoxicating hemp products
- Total THC testing
- Products with intoxicating levels must enter regulated market
Key Dates
1998: Medical cannabis legalized
2012-11-06: Adult-use (I-502)
2014-07-08: First adult-use sales
2024-07-01: SB 5367 hemp-THC restrictions
Enforcement Notes
WSDA handles non-THC hemp. LCB enforces THC product regulation. Active enforcement against unlicensed hemp-THC products.
Disclaimer: This information is provided for educational purposes only and does not constitute legal advice. Cannabis laws change frequently. The statute citations and regulatory links were verified as of March 2026 but may have been updated. Always verify current regulations withWashington State Department of Agriculture / Liquor and Cannabis Board before making business decisions. Consult a licensed attorney in Washington for advice specific to your situation.