Welcome to 25 Bertocchi Lane, a hidden gem at the end of a peaceful Millbrae cul-de-sac. This private and flexible 4BD/3BA residence offers 2,464 sq. ft. of living space, including an optional in-law unit with its own entrance ideal for extended family, guests, or rental income. The home has been thoughtfully updated throughout, featuring a bright living and dining area with fireplace, a newly renovated kitchen with modern cabinets, quartz countertops, and stainless steel appliances, refreshed bathrooms, hardwood floors, stylish lighting, smart home technology, and efficient A/C with a heat pump. The primary suite upstairs offers a serene retreat with backyard access, dual closets, and a spa-inspired en-suite bathroom. The downstairs level includes a spacious family room with office area, a private bedroom, a finished laundry room, and abundant storage. Additional highlights include a two-car garage with epoxy flooring and EV charger. The recently landscaped backyard features lush turf, a large patio with multiple entertaining zones, and seamless indoor-outdoor flow to the kitchen, dining, and primary suite. This move-in ready home combines comfort, flexibility, and convenience just minutes from shopping, freeways and Millbraes highly rated schools.