2 fully detached, super charming houses on 1 lot! Coveted SYCAMORE PARK is the most desirable neighborhood in Mill Valley! Perfect for 2 families or Live in one/Rent the other & cut your mortgage in half! Updated houses have great vintage details like wd floors, arched doorways & picture rail moldings. Charming & sunny front house has white picket fence, wisteria-covered arbor & front lawn that welcomes you from the street. Enter to find lovely 3BD+Office/2BA,large updated eat-in kitchen, formal Dining Rm (or Den), French doors & great big basement for storage, laundry, large back brick patio & huge storage building (could even be a workshop or exercise studio!).Back house also is very bright w/3BD+Office/2BA, a beautifully updated Primary Suite, formal Dining Rm/Den, wonderful private backyard w/large wood deck and its own 1-car garage with laundry. Located in prime Sycamore Park on a large, 9,000 sqft lot! Close to Park School & downtown Mill Valley! Plenty of off-street parking.