Cannabis cultivators in San Mateo County, California
3 companies hold an active California cultivator licence with premises in San Mateo County.
ⓘ The 3 companies below are ordered by the earliest issue date among their California licences that were active on September 23, 2026. 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 | half moon grow inc. | 2019 | 5 | Medium Mixed-Light Tier 1, Processor, Small Mixed-Light Tier 1 |
| 2 | Half Moon Grow, Inc. | 2023 | 1 | Nursery |
| 3 | Half Moon Grow Nursery, Inc. | 2024 | 2 | Medium Mixed-Light Tier 2, Small Mixed-Light Tier 2 |
ⓘ Reproduced from the California DCC licence search, retrieved September 23, 2026.