This remarkable turn-key Mill Valley property offers exceptional flexibility for families, first-time buyers, or savvy owners looking to offset their mortgage. A beautifully updated main residence plus a fully independent 1-bedroom residence offers endless possibilities for guests, extended family, a private workspace, or supplemental income. The main home lives like a single-family residence and features 3 bedrooms and 2 full baths, gorgeous original hardwood floors, and thoughtful, stylish upgrades throughout. A large, bright front bedroom offers plenty of space to incorporate a quiet home office or reading area. Both the kitchen and primary bedroom open directly to a lovely back deck and low-maintenance yard, perfect for morning coffee, outdoor dining, or simply lounging in the sun. The versatile lower-level 1-bedroom, 1-bath residence offers incredible flexibility as an income-producing rental, premium office space, creative studio, guest quarters, or private accommodations for extended family. Each residence is thoughtfully set up for independent living, with dedicated laundry, separate utility meters, and individual heating systems - ideal for both owner-occupants and rental use. Enjoy an attached garage, convenient nearby parking, easy-care outdoor space, and effortless access to downtown Mill Valley's shops, cafes and restaurants, the Lumber Yard, and miles of nearby parks and nature trails - all with convenient access to Highway 101 and a seamless commute to San Francisco. Live in one, rent the other, and enjoy the ultimate Marin lifestyle!