Contra Costa Country Club offers a truly unique setting for every event.  From the moment you and your guests enter the grounds you are welcomed with views of our beautifully renovated RJJII golf course framed by dramatic mountain and valley views.  Our Diablo Vista Banquet Room features floor to ceiling windows with access to our outdoor Terrace.  With stunning panoramic views of Mt. Diablo and our impeccable golf course, your event is sure to wow your guests.