Experience the iconic Butterfly House, cherished in Mill Valley. This Homestead Valley gem rests on a vast 9000 sq ft lot, featuring a level grassy area and inviting patio for gatherings. An expansive detached 3-car garage, perfect for cars or creative pursuits, stands nearby. Inside, a glass like-roofed entry leads to a cozy seating area adorned with elegant tile mosaic. Each room frames panoramic Mount Tamalpais views through floor-to-ceiling windows, seamlessly connecting indoors with nature. The kitchen offers inventive storage and a custom breakfast space. A primary suite boasts abundant cabinetry, a dressing room, and a half bath with panoramic windows. A uniquely designed full bath and spiral staircase to a loft-style second bedroom complete the main level. An exterior office and a sunroom add versatility. The multi-tiered backyard welcomes gardening and includes storage sheds, while the garage rooftop provides a 360-degree view. This home embodies individuality and artistic spirit, fit for a weekend retreat or inspiring creativity. Seize the opportunity to build your dream home or revel in the existing nature-rich haven. The visionary behind this masterpiece was none other than the renowned architect, Valentino Agnoli.