Reciprocity

California is one of the most traveled states in the country, and trips to other states are common for residents. As a result, California Medical Marijuana Identification Card (MMIC) holders often wonder whether their medical cards are recognized elsewhere and what that means for legal access to cannabis while traveling.

On this page, we explain how medical marijuana reciprocity works for California patients, including whether other states honor California medical marijuana cards and what limitations may apply when seeking access outside the state.

Understanding Reciprocity for Medical Marijuana Patients

To start, it helps to define what “reciprocity” means in the context of medical marijuana. Reciprocity refers to one state recognizing another state’s medical marijuana card, allowing a visiting patient to legally possess or, in some cases, purchase medical cannabis.

California does not accept out-of-state medical marijuana cards, meaning visitors cannot use their home-state cards to access California’s medical program. California residents seeking medical access must apply through the MMIC program administered by local county health departments under the oversight of the California Department of Public Health.

That said, some other states offer limited or conditional reciprocity for California MMIC holders. The rules vary by state and may include temporary visitor cards, possession-only allowances, or condition-based access.

States Recognizing California Medical Marijuana Cards in 2026

Several states allow some level of access to medical cannabis for patients visiting with a valid California Medical Marijuana Identification Card (MMIC). While California itself does not accept out-of-state medical cards, California cardholders may be able to possess or access medical cannabis in other states, depending on local laws and program rules.

In some cases, states offer full dispensary access to visiting patients. Others require California patients to apply for a temporary visitor card, limit access to possession only, or restrict eligibility based on qualifying conditions. Because cannabis laws vary widely and can change, California patients should always confirm requirements before traveling.

States that recognize California medical marijuana cards, either fully or with specific conditions, commonly include:

• Arizona
• Arkansas (visitor card required)
• Hawaii (temporary registration required)
• Maine
• Michigan
• Nevada
• New Hampshire (possession only; condition-based)
• New Mexico
• Oklahoma (temporary visitor card required)
• Utah (temporary registration required; condition-based)
• District of Columbia