Quick Facts
| Legal Status | Medical Since | Adult Use | Access Type | Est. Cost | Insurance |
|---|---|---|---|---|---|
| Legal — Adult Use + Medical | 1998 (medical) / 2012 (adult use) | Yes (I-502, 2012) | Licensed retailers — 600+ statewide, no card needed 21+ | USD 25-55/eighth | No |
Legal Timeline
| Year | Development |
|---|---|
| 1998 | I-692 passes — medical cannabis legalised in Washington |
| 2012 | I-502 passes (56%) — first state (with CO) to legalise adult-use cannabis |
| 2014 | July: Adult-use retail sales begin in Washington |
| 2016 | Medical and adult-use systems merged; medical access board dissolved |
| 2020 | COVID drives delivery growth; market further matures |
| 2024 | Over 600 licensed retailers statewide; Washington is a benchmark legal market |
How to Access Cannabis in Washington
- Adults 21+ may purchase from any licensed retailer with valid ID — no card required
- Possession limit: 1oz of flower, 7g concentrate, 16oz solid infused product, 72oz liquid infused product
- No recreational home cultivation permitted — only qualifying patients with authorisation
- Medical card (recognition card): register with the Department of Health for higher limits and medical-only products
- Find licensed retailers at the WA LCB store locator or Weedmaps/Leafly
Qualifying Medical Conditions
- Cancer
- HIV/AIDS
- Multiple sclerosis
- Epilepsy
- Chronic pain
- Intractable pain
- Nausea
- Glaucoma
- Crohn's disease
- Hepatitis C
- Muscle spasms
- PTSD
Licensed Dispensaries & Providers
| Provider | Website | Notes |
|---|---|---|
| Washington State LCB | lcb.wa.gov | Liquor and Cannabis Board — official regulator and store finder |
| Diego Pellicer | diegopellicer.com | Premium Seattle-area dispensary chain |
| Green Theory | greentheoryseattle.com | Seattle dispensary with adult-use and medical |
| Vela Cannabis | velacannabis.com | Washington state dispensary group |
Cost Breakdown
| Item | Estimated Cost (USD) | Insurance Coverage |
|---|---|---|
| Flower — 1/8 oz (3.5g) | USD 25-55 | No coverage |
| Concentrate (1g) | USD 30-65 | No coverage |
| Edibles (100mg pack) | USD 15-35 | No coverage |
| Medical recognition card (annual) | USD 1 (nominal fee) | Not covered |
Frequently Asked Questions
Is cannabis legal in Washington?+
Yes — adults 21+ may purchase from licensed retailers and possess 1oz of flower. Washington has had adult-use retail sales since July 2014, making it one of the most mature markets in the US.
Can I grow cannabis at home in Washington?+
Not for recreational use — home cultivation is not permitted for non-medical adults in Washington. Only patients with a medical recognition card and certain qualifying conditions may cultivate plants.
What is the Washington cannabis tax?+
Washington applies a 37% excise tax on cannabis sales — one of the highest in the US. This high rate has contributed to a persistent illicit market. Medical patients with a recognition card pay the standard sales tax only.
How many dispensaries are in Washington?+
Over 600 licensed retail stores operate statewide. Seattle has the highest concentration, but stores are distributed across the state including eastern Washington.
Do I need a medical card in Washington?+
No — adults 21+ may purchase without a card. A medical recognition card (USD 1/year via DOH) provides higher possession limits and exemption from the high excise tax.
What was I-502?+
Initiative 502, passed in November 2012, made Washington one of the first two US states (along with Colorado) to legalise adult-use cannabis. The first retail sales began July 8, 2014.