ACCI Gallery (the oldest art cooperative on the west coast) in Berkeley currently has two open calls for visual and performing art! (Music, spoken word)
If you're a local artist between the ages of 18-24, it's a great opportunity! I work there and it's a great place :)
Visual artists call:
https://www.accigallery.com/call-for-young-artists-transitions.html
Performing Artists call:
https://www.accigallery.com/call-for-young-performing-artists.html