Incredible newly-constructed San Mateo residence with a rare detached +/- 1172 sf ADU, seamlessly blending luxury living, versatility, and amazing income potential. The +/- 2150 sf main home features 3 bedrooms and 3.5 baths in a bright, thoughtfully designed floor plan with inviting living spaces, quality finishes, and abundant natural light. Privately positioned at the rear of the property, the detached ADU includes 2 bedrooms, 2 baths and an office-ideal for extended family, guests, a home office, gym or rental income providing valuable versatility without compromising privacy. Ideally located near shopping, dining, parks, and major commute routes, this distinctive property presents a unique opportunity in coveted Beresford Park Manor creating lifestyle, flexibility, and long term value in one exceptional offering.