Viognier Restaurant 222 E 4th Ave, San Mateo, CA94401 Viognier (pronounced vee-oh-NYAY) is a French restaurant open for dinner every night. The interior is beautiful and the…More décor is warm and elegant. Enjoy the large plush booths as you're warmed by the glow of the cozy fireplace and wood-fired brick oven. Head chef Preston Dishman uses California's fresh produce to create his classic French dishes. Choose from over 1,700 bottles of wine from regions around the world. This restaurant was the Open Table winner of 2010.