Is Marijuana Legal in Washington? Cannabis Laws & Dispensary Guide

Washington legalized recreational cannabis in 2012. Adults 21 and older may possess and purchase cannabis products from state-licensed dispensaries.

Possession limits: 1 oz, 16 oz solid edibles, 72 oz liquid, 7g concentrate

Tax rate: 37% excise tax + 6.5% sales tax + local taxes

Home cultivation: 6 plants per person (medical only; rec home grow not allowed).

All recreational dispensaries must verify customer age, enforce purchase limits, integrate with Leaf Data Systems, and comply with testing and packaging requirements. Dub Haven builds POS systems that handle Washington-specific compliance automatically.

Cannabis businesses in Washington must comply with regulations enforced by Washington State Liquor and Cannabis Board:

• State license: Obtain all required cannabis business licenses from Washington State Liquor and Cannabis Board
• Seed-to-sale tracking: Integrate with Leaf Data Systems for real-time inventory monitoring
• Product testing: All products must pass state-approved laboratory testing for potency, pesticides, mold, and contaminants
• Packaging: Child-resistant, tamper-evident, opaque packaging with state-mandated warning labels and batch numbers
• Age verification: Verify all customers are 21+ with valid ID
• Purchase limits: Enforce state-mandated possession and purchase limits at point of sale

Initiative 502 passed 2012. One of first two states to legalize recreational. Highest tax rate in nation at 37%.