Search all Open Houses in and around Northern California. including open houses in Marin, Napa, Solano, Lake and Sonoma Counties. Homes open this week. Includes address, dates, times and photos of each property. Updated every 15 minutes. Not finding exactly what you want? Shoot us a call/text +1 707.580.3499 and we’ll connect you with a agent specialist in your area for off market opportunities.