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Strainline aggregates publicly listed prices. Cannabis is legal for adults 21+ in California. Verify availability and price on each dispensary’s site before purchase.

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Z-chem · Concentrates

3 listings in Contra Costa County

Z-chem concentrates ranges $20–$30 across 3 dispensaries in Contra Costa County — cheapest $20 at AUTHENTIC EL CERRITO LLC, as of Jul 6, 2026.

Updated as of Jul 6, 2026

All3
Concentrate3

All(2)

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Z Chem
1g
$20.00
$20.00/gUpdated Jul 6, 2026
West Coast Cure
Badder

AUTHENTIC EL CERRITO LLCVerify on source ↗

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Z-chem

$30.00

$30.00/gUpdated May 15, 2026

Big Boy Dro

Otc Antioch LLCVerify on source ↗

Also at 1 other store

Ant Green LLC· May 18, 2026$30.00Verify Z-chem at Ant Green LLC