It’s Cinco de Mayo my friend. The food will be hot and the margaritas will never end. It’s time to celebrate with $5 margaritas and a special Cinco de Mayo menu. 5:30pm – 9:30pm in The Grill at Silverado. The cost is $40 per person and does not include tax and tip. Reservations can be made by calling 707-257-5400 or Open Table.