A one-of-a-kind, Wild Horse Valley Estate! Set on one of west Novato's most desired streets, in the Pleasant Valley school district & surrounded by views to die for, this custom-built masterpiece offers a special opportunity. A Novak-built Tudor, it spans over 5100 sq ft of space, with 4 bedrooms, 5.5 baths & has a main floor affording incomparable living space, w/hardwood floors throughout; including 2 living rooms, a formal dining room, a beautiful wood-lined formal library, a full bath, chef's kitchen & more views. The kitchen & 2nd living room lead out to a patio/deck area w/more looks of the San Marin Valley. On this same main floor, an existing full bathroom adjacent to the library offers the potential for a main-level bedroom living. Head up the winding, grand staircase w/custom banister, to another 3 bedrooms, 3 bathrooms, separate laundry room & large folding room. The primary suite is SPECTACULAR! This sun lit space is ringed almost entirely by widows offering amazing panoramas, built-in cabinets and a small fridge. More? A large finished space on the 3rd floor is perfect for a family room & a wine room w/full bath, a separate ground floor entrance, sits below the main level & could be the perfect au pair unit. You'll find a 3-car garage & more parking up the private driveway.