Cornerstone Research is California’s first research based medical cannabis collective. We are a non profit collective with limited membership. Our focus is on the science of medical cannabis, from the strict criteria we use to select our medicinal strains
to our superior testing standards. The variety and quality of our genetics are unparalleled and include several cannabis cup winners. New Membership is by appointment only. If you are interested in becoming a patient of ours please give us a call for your
initial consultation. No walk- ins please.