Discover your next home at 309 Mill St in Grass Valley. In a location on Mill St. in Grass Valley's 95945 Zip code, local residents can easily connect with a number of points of interest. Be sure to come for a visit to see the available floorplan options. Here at this community, the leasing staff is excited to help you find the perfect floorplan option. Stop by the leasing office to find out the current floorplan availability.