Underground420 — Premium THCA, Real Craft

Lab-tested THCA flower curated for quality, transparency, and compliance.

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About Us

Underground420 LLC was founded with a simple mission — bring premium, lab-tested THCA flower to customers who value quality, transparency, and compliance. We partner with trusted cultivators and hold ourselves to strict quality control.

Who We Are

We’re a team of cannabis enthusiasts focused on top-shelf flower with standout appearance, aroma, and cure. Every strain we offer is selected for its craft and character.

What We Stand For

  • Quality First: tight trim, clean cure, strong bag appeal.
  • Compliance Always: third-party COAs and restricted-state shipping rules.
  • Customer Commitment: secure packaging and responsive support.
Contact Us
21+ Only Third-Party COA Secure Checkout Restricted-State Shipping Rules