Designated Drivers Napa Sonoma is a private driver and car service serving Napa Valley, Sonoma County. Our local guides provide wine tasting and wine tours to private access and exclusive Napa Valley wineries. Our drivers are fully insured to drive your car. If you're looking for a boutique winery experience, the best of food and wine pairings, or something different, Designated Drivers Napa Sonoma will handle everything. Allow our Napa and Sonoma drivers to take you and your group on wine tours and wine tasting with our designated driver service. .......... Business Hours: 24/7