Sonoma County Historical Sites

Sonoma County is home to an extraordinary range of historical and cultural sites that together tell the story of our region’s diverse past. From landmarks, parks, historic homes and buildings, cultural sites, and the northernmost mission in California, Mission San Francisco Solano, these places preserve the heritage that continues to shape our communities today. Whether you are tracing family roots, exploring early California history, or visiting one of our many historic towns, these organizations and sites offer unique opportunities to learn, reflect, and experience Sonoma County’s remarkable legacy firsthand.