Portland Dispensary Serra has a downtown location bringing you quality drugs and other fine cannabis accessories. has a downtown location bringing you quality drugs and other fine cannabis accessories. We are both olcc recreational and Oregon medical marijuana program (ommp) compliant; medical patients shop tax-free. We can be found in gorgeous downtown Portland, just a quick jaunt from the sw oak/1st ave max station (stop id 8380). We are cash-only, accept can pay payments, and have an atm available for all customers. Recreational customers must be 21 or older to enter. Ommp patients 18 and older are also welcome.