Cannabis, Hemp, and R&D Product Testing and Compliance In Oakland, CA

Our full-service Sacramento lab tests cannabis and hemp for pesticides, residual solvents, microbial impurities, terpenes, mycotoxins, foreign materials, heavy metals, and potency for flower, extracts, concentrates, and other R&D products.

The testing requirements of the California Bureau of Cannabis Control classifies products into inhaleable cannabis, edible cannabis, and other cannabis product categories. We follow their testing guidelines for flowers, concentrates, edibles, oils, topicals, drinks, tinctures and more.

To learn more about our marijuana testing procedures and requirements, please visit our California Testing Page. Interested in becoming a client? Fill out our Client Information Form.

The Most Reliable Cannabis and Hemp Analysis in California

Green Leaf Lab is Oakland’s premier cannabis and hemp analytical laboratory. As an ISO 17025 accredited independent third-party laboratory, we utilize state-of-the-art scientific instrumentation and employ professionally educated chemists for our testing procedures. It is our goal to further legitimize the industry by imparting knowledge through accurate testing, education and information. We believe that our analytical testing process:

  • Supports the safe consumption of inhalable, edible and topical cannabis products
  • Ensures transparency for the California cannabis industry
  • Advances quality control for recreational and medical cannabis and hemp
  • Uses science to gather information critical to the safer and accurate use of cannabis and hemp

Experience The Green Lab Difference — Real Science. Real Testing. Real Results.™

Green Leaf Lab was established in 2011. We are one of the first cannabis analytical laboratories to open in the United States, and the first to be accredited and licensed by a state agency. We’ve performed complex and regulated testing in the cannabis industry since 2016 and are proud to strictly adhere to California’s cannabis and hemp testing requirements and regulations.

Because we are pioneers in cannabis and hemp science, we provide dependable and precise analytical testing services. You can count on us to give you accurate and consistent data every time.

Cannabis Testing Lab Serving Oakland

Excellent service. Quality testing. Accurate results™

In Oakland, California, cannabis and hemp growers, product innovators, manufacturers and distributors trust Green Leaf Lab’s experience for all their analytical and product development testing. We guarantee that you receive reliable complete results to comply with California’s strict testing requirements and the inhalable and edible cannabis product regulations.



Understand the fingerprint of cannabis and the terpenes consumers love most.



Whether you are in Oregon or California, we're here for you.



Cannabis science is innovative and complex. We get it. So should you.

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