Red Onion Grand Opening November 9, 2019November 8, 2019 When November 9th 12:00 pm - 3:00 pm Add To Calendar Download ICS Google Calendar iCalendar Office 365 Outlook Live Where Red Onion 4783 Appian Way, El Sobrante, CA, 94803 Event Type Ribbon Cutting Loading Map.... Red Onion4783 Appian Way - El SobranteEvents 37.974232 -122.300974