Cannabis microbusinesses in Contra Costa County, California
6 companies hold an active California microbusiness licence with premises in Contra Costa County.
ⓘ The 6 companies below are ordered by the earliest issue date among their currently active California licences. That date does not prove continuous operation, common ownership, experience, or quality, and it is not a score. No company here has been reviewed against the five criteria; three of those need documents only the supplier can provide.
| # | Company | Earliest active licence | Active licences | Type |
|---|---|---|---|---|
| 1 | Contra Costa Farms LLC | 2019 | 1 | Microbusiness |
| 2 | Isidore Technology Inc | 2021 | 1 | Microbusiness |
| 3 | Fiacre, Inc. | 2021 | 1 | Microbusiness |
| 4 | Kolaboration Ventures LLC | 2022 | 1 | Microbusiness |
| 5 | Kolaboration Concord LLC | 2022 | 1 | Microbusiness |
| 6 | Crane City Nursery LLC | 2023 | 1 | Microbusiness |
ⓘ Reproduced from the California DCC licence search, retrieved August 12, 2026.