Welcome to Corvallis's premium cannabis dispensary, Mr. Nice Guy Marijuana Dispensary Corvallis 15th St is located at 687 NW 15th St. Home of the Beavers, our local dispensary is just 10 steps away from Oregon State University. Neighboring Clodfelter's, Downward Dog, and Havana, Mr. Nice Guy is conveniently located for all your marijuana needs. We make it easy to purchase Weed at our dispensary or to find and pre-order Marijuana online.