State License: C10-0000538-LIC
Glendale / Eagle Rock
Cornerstone Collective is California’s first research-based medical cannabis collective.
At Cornerstone Collective, we are committed to being exemplary members of our local community and the cannabis industry at-large.
Cornerstone is one of the founding members of the UCBA. We believe the work of the association helps to ensure the protection of our industry for future generations.