5506 Harvard Beautifully maintained 3-bedroom, 2-bath home in the desirable city of Montclair, ideally located near the border of Ontario with convenient access to shopping, schools, freeways, and local amenities. Built in 1958, this home offers approximately 1, 280 sq ft of living space on a generous 8, 381 sq ft lot. Recent upgrades include a new roof and PEX plumbing installed from the main line throughout the home, providing added value and peace of mind. The interior features a functional and comfortable layout, complemented by a spacious bonus room of approximately 700 sq ft located next to the kitchen, offering flexibility for extended family, a home office, or potential additional living space. The exterior is equally impressive, featuring a two-car garage, RV parking, and additional space for up to three more vehicles. The expansive backyard provides excellent potential to build an ADU or add a pool, making it ideal for customization and future growth. This property combines key upgrades, versatile space, and a prime location—an excellent opportunity for homeowners or investors alike.