San Jose's Top Cannabis and Hemp Product Compliance Testing Lab

In California, San Jose’s cannabis and hemp growers, product developers, innovators, manufacturers and distributors rely on Green Leaf Lab for accurate, reliable compliance testing and analysis.

We are a licensed testing lab that follows California Bureau of Cannabis Control’s guidelines for testing cannabis flowers, concentrates, edibles, oils, tinctures, topicals, drinks and other R&D products. In addition to potency, we test for pesticides, terpenes, residual solvents, microbial impurities, mycotoxins, foreign materials, and heavy metals.

We are proud to be an ISO 17025 accredited laboratory, meaning you can feel confident in our ability to produce precise, accurate test and calibration data.

To learn more about our marijuana analytical testing process, please visit our California Testing Page. Ready to get started? Fill out our New Client Information Form.

Cannabis Compliance & CBD Hemp Testing In San Jose

Green Leaf Lab is a fully licensed cannabis and accredited hemp testing lab that works with both growers and product innovators in San Jose. As an independent testing facility, our chemists use the best scientific instrumentation available to ensure accurate results. We work hard to continue to legitimize the cannabis industry by sharing knowledge through education and information. Our analytical testing process:

  • Supports the safe consumption of inhalable, edible and topical cannabis products
  • Ensures transparency for California’s thriving cannabis industry
  • Provide quality control guidelines for recreational and medical cannabis use
  • Use science to support and promote safer use of cannabis and hemp

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

Green Leaf Lab, established in 2011, was one of the first analytical cannabis labs to open in the Nation, and the first to be licensed and accredited by a state. We perform precise, complex testing for the growing cannabis industry, aligned with California’s cannabis and hemp testing requirements and regulations.

We are pioneers in cannabis and hemp science, and we provide dependable and precise analytical testing services in San Jose. You can count on us to give you the accurate data you need to distribute or sell your cannabis products.

Cannabis Testing Laboratory Serving San Jose, CA

Quality testing. Accurate results™ Everytime

San Jose’s hemp growers, cannabis growers, and product developers trust Green Leaf Lab’s experience for all their analytical, compliance and product development testing.  Trust us to give you accurate results that comply with California’s strict testing requirements for inhalable, topical, and edible cannabis products. Give us a call and we can answer all your questions.



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.

cbecbenhaNCIAStarburstacclcbe logoWomen's Business Enterprise certifiedWorldwide Certified Business Review Board verified