There's one on 17th and pearl called Livewell, next to a gas station. It's a couple blocks north of colfax and pearl.
It's kinda far but Colfax and Quebec near to Burger King there's Marijuana Dispensary
Everywhere. Download WeedMaps
There are plenty in the downtown area....can't walk 2 blocks without running into one
Probably best to call them and ask or maybe even use Google Maps.
Thanks! Your answer is awaiting moderation.