A one-of-a-kind Mill Valley home situated in the coveted Tamalpais/Sycamore Park neighborhood; 45 Walnut Avenue is the quintessence of contemporary luxury. Evoking Dwell-inspired design, this 4 bedroom, 3-bathroom residence seamlessly blends form and function. Thoughtfully designed and beautifully remodeled with impeccable attention to detail, this minimalist masterpiece offers spacious light soaked living spaces. Grounded in Ipe hardwoods, an open floor plan is framed in exposed I-beams and boasts custom cabinets and built-in speakers. A double-sided fireplace divides a sunken living room from a modern kitchen with stainless steel appliances and waterfall Caesarstone countertops. Boasting an effortless indoor-outdoor flow, the home opens to a sprawling backyard with lush landscaping and a sunny patio for outdoor entertaining. Located steps from Park School's walking path, the home is in close proximity to charming downtown Mill Valley, bookstores, art galleries, and high-end grocers.