With flexible fourth bedroom potential, this 1938 Middle Ridge home is sun-drenched and peaceful. Enjoy a bit of vintage vibe, excellent weather, world-class hiking trails, and top-tier schools, all with approximately 5 minute access via Summit Avenue to downtown Mill Valley. The level street-to-entry introduces an expansive, light-filled floor plan with hardwood floors and timeless character. At the heart of the home, generously scaled living spaces center around a fireplace and flow effortlessly onto an inviting deck. Versatile home office that easily serves as a fourth bedroom. The flexible lower level features an independent in-law suite with its own private entry ideal for guests, au pair, or rental income. Situated on a street-to-street quarter-acre lot, the property boasts a flat, grassy front lawn, two-car garage, and potential to customize.