This sophisticated, one-of-a-kind gem sits on a fabulous double lot in the heart of Tamalpais Park.  Both the main house & the separate guest house are brand new, top-quality construction. The main house has 4 bedrooms & 3.5 baths & a spacious office or 5th bedroom. The centerpiece of the main level is the Great Room featuring a large family room w/ fireplace & a stunning kitchen with granite counters, pantry and bar area, Wolf & Miele appliances & a wonderfully cozy breakfast nook. The master suite includes a walk-in closet and an elegantly designed bathroom w/ limestone & custom tile work. Top-of-the-line materials have been used throughout including Red birch floors, Anderson French doors & windows & high-end hardware. Crown moldings, lighting from Italy & 10’ ceilings enhance the elegant style. The property has delightful curb appeal, seamless indoor/outdoor living, & a 2-car garage. The guest house has a bedroom, living room & a full bathroom.