One of the biggest financial advantages of a Washington State medical marijuana authorization is the tax exemption. Here's exactly how it works and what you can expect to save.

The taxes medical patients avoid

Recreational cannabis purchases in Washington are subject to:

37% state cannabis excise tax
State sales tax (6.5%)
Local sales tax (varies by city and county, typically 2–4%)

Combined, recreational buyers in many Washington counties pay 45–47% in taxes on every purchase.

What medical patients pay

Medical cardholders who are registered in the WA DOH MMED database are exempt from the excise tax AND state/local sales taxes on qualifying medical cannabis products. That means you pay close to 0% tax on DOH-compliant products.

Real-world savings example

If you spend $200/month on cannabis:

Recreational cost: $200 + 47% taxes = ~$294/month
Medical cost: $200 + ~0% taxes = ~$200/month
Monthly savings: ~$94
Annual savings: ~$1,128

For patients with higher consumption, savings can easily exceed $2,000–$3,000 per year.

Legislative basis

The medical cannabis tax exemption is authorized under HB 1453 and extends through at least June 2029. This legislation specifically protects medical patients from the burden of recreational cannabis taxation.

Do I need to be registered with the DOH?

Yes — to receive the tax exemption at a licensed dispensary, you need to be registered in the Washington State Medical Marijuana Authorization Database (MMED). Registration costs $1 and is done online at mmjr.doh.wa.gov. Your written authorization from Green Wellness is valid at dispensaries immediately — register to unlock the tax exemption.

The cost of getting a medical card vs. the savings

A new patient evaluation at Green Wellness costs $175. If you save $94/month in taxes, you break even in less than 2 months. Annual renewals are $140 — still easily covered by the tax savings.

Ready to start saving? Book your evaluation →

How Much Do Medical Marijuana Cardholders Save on Taxes in Washington?