Treat Street: What’s Your Favorite Treat July 16, 2016 | wendy We love Treat Street! So many choices! What’s your favorite treat from Treat Street? Leave a comment on our Facebook page and we’ll randomly choose a few names for a free admission ticket. Categories: Nevada County Fair.Tags: community, fair, fair food, Fairgrounds, food, Grass Valley, Nevada City, Nevada County, Nevada County Fairgrounds, non-profit organizations, and Treat Street.