Alcohol License – Businesses engaged in the sale of alcohol must obtain a license from the California Department of Alcoholic Beverage Control (ABC). We are providing an overview of some of the most common licenses and permits needed to open a restaurant in California.California is a very large state with disparate counties and regulations and the county is going to determine your cost. However, can someone under the age of 21 sit at a bar? What about in a bar area of a restaurant? As an out-of-state taker, I had the option of choosing between Oakland, CA and Los Angeles, CA test centers. Everyone knows that in California you must be 21 in order to consume alcoholic beverages. Experience the magic of Castaway, a top choice among Burbank restaurants with a view. Orange Hill in Orange, CA. Call us at (714) 997-2910. Check out our location and hours, and latest menu with photos and reviews.