Dispensaries
5
in Contra Costa County
Grand Master
Grand Master ranges $10–$42 across 5 dispensaries in Contra Costa County, cheapest $10 at Otc San Pablo LLC, as of Aug 22, 2026.
Updated Aug 22, 2026
Products
6
in stock
Price range
$10–$42
in Contra Costa County
Pre-Rolls
All(3)
- See all carriersGrand Master$10$10/pieceUpdated Aug 24, 2026CannabiotixOtc San Pablo LLCVisit shop : Grand Master at Otc San Pablo LLC
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Grand Master4pc · 2g$24.50$6.13/pieceUpdated Aug 23, 2026CannabiotixPrerollCatalyst - AntiochVisit shop : Grand Master at Catalyst - AntiochAlso at 1 other store- Catalyst - Antioch LLC· Aug 23, 2026$24.50Visit shop: Grand Master at Catalyst - Antioch LLC
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Grand Master4pc · 3g$26$6.50/pieceUpdated Aug 24, 2026CannabiotixOtc San Pablo LLCVisit shop : Grand Master at Otc San Pablo LLC
Concentrates
All(1)
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Grand Master1g$42$42/gUpdated Aug 24, 2026CBX: CannabiotixRosinFlavors Of Antioch, LLCVisit shop : Grand Master at Flavors Of Antioch, LLCAlso at 1 other store- Flavors of Antioch· Aug 24, 2026$42Visit shop: Grand Master at Flavors of Antioch