Located just half a block South of Brentwood Country Club, off of Montana Avenue, this beautifully updated Traditional home blends timeless character with thoughtful modern expansion in the "College Streets", one of Santa Monica's most coveted neighborhoods. Just moments from the shops and restaurants on Montana Avenue and San Vicente Boulevard, and in close proximity to Franklin Elementary School, this home offers both charm and convenience. Originally built in 1938, the residence retains its classic architectural details, including crown moldings and wood floors, while being extensively enhanced and remodeled for today's lifestyle. A formal living room welcomes you upon entry, flowing seamlessly into the formal dining room, ideally positioned between the living room and the thoroughly remodeled kitchen. The main house features three bedrooms, two full bathrooms and one three-quarter bath. The two secondary bedrooms, one with a full bath, are located off of the central hallway. Privately situated at the rear of the home, the newly added primary suite offers direct access to the backyard and includes a beautifully appointed full bathroom, creating a peaceful retreat. Beyond the secondary bedrooms, there is a spacious family room with French doors that lead to the patio and expansive backyard, creating a true indoor-outdoor experience. A wood-burning fireplace anchors the outdoor entertaining area. In addition, a detached ADU provides exceptional flexibility as a fourth bedroom, guest suite, or private home office. Complete with its own bathroom and kitchen, it is ideal for visitors or extended family. Situated on a generous sized lot, there is a huge grassy yard with plenty of room for a large pool and fabulous patio space for entertaining. 845 Harvard Street offers the perfect combination of original character, modern updates, and versatile living spaces in an unbeatable Santa Monica location.