Welcome to 5840 Oakbrook St, another exceptional renovation by Watson Brothers Fine Homes! This rare offering, in the heart of Los Altos stands out with a fully permitted detached ADUan incredibly hard-to-find feature in this sought-after neighborhood. Whether you're looking for rental income, multigenerational living, guest space, or a private home office, the flexibility is already built in. The main home offers 1,350 square feet of completely reimagined living space, taken down to the studs and rebuilt with quality and style throughout. From the moment you arrive, the curb appeal makes an impression. Inside, the expanded entry opens to a bright, flowing floor plan filled with natural light. The chefs kitchen features custom white oak cabinetry, Taj Mahal quartz countertops, and a custom designer backsplash. Additional upgrades include a newly added primary retreat with fireplace and ensuite bath, all new plumbing, central heat and AC, new roof, new doors and windows, new flooring, fresh interior and exterior paint, and all new fixturesmaking this home truly turnkey. The detached ADU adds approximately 400 square feet with 1 bedroom and 1 bathroom, finished with the same level of quality as the main home. Located near top-rated schools, shopping, parks, and just minutes from California State University, Long Beach, this is a rare Los Altos opportunity you dont want to miss.