904 Vernal Way

904 Vernal Way, Mill Valley, CA 94941


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.



9,601 Sq.Ft. lot


904 Vernal Way$1,527,000Sold


Features & Amenities


  • total bedrooms2
  • Total bathrooms2
  • full bathroom1
  • half bathroom1
  • KITCHEN Breakfast Area, Granite Counter
  • Laundry room Dryer Included, Ground Floor, Inside Area, Washer Included, Other
  • Flooring Carpet, Tile, Wood
  • Fireplace Other
  • APPLIANCES Built-In Gas Range, Dishwasher, Disposal, Free Standing Refrigerator
  • other interior Features Formal Entry

Area & Lot

  • Status Sold
  • Lot Area9,601 Sq.Ft.
  • MLS® ID323900881
  • TypeResidential
  • YEAR BUILT1971
  • Architecture StylesArts Crafts, Cabin
  • View DescriptionHills, Mt Tamalpais, Panoramic, Valley
  • Elementary SchoolShoreline Unified
  • High SchoolTamalpais Union
  • School DistrictMarin


  • Garage Space3
  • water SourcePublic
  • utilitiesPublic
  • roofShingle, See Remarks
  • lot featuresLandscape Front, Landscape Misc
  • parkingBoat Storage, Detached, Side-by-Side
  • HEAT TYPECentral
  • sewerPublic Sewer
  • SubstructureStucco
  • security FeaturesSmoke Detector
  • other exterior FeaturesCovered Courtyard


  • Sales Price$1,527,000
Jonathan Marks

Jonathan Marks

Work With Us

You can count on us to help you sell and help you buy, and be there for you every step of the way before and well after your deal is done. So, why us? Because working with us, you are more than a client in a transaction; you become a friend for life.