Welcome to 1540 Allyn Avenue! One of the most desirable west-side of charming St. Helena, this spacious 3,356+/-home is set on an expansive 10.940+/- lot.The owners built with every detail in mind to provide entertaining ease and comfort for their family. The four large sized bedrooms, three bathrooms home provides plenty of cozy corners to rest amnd relax. Generous storage with room to spare. The formal dining room creates an intimate dining experience while the elegant living room with custom bookcases creates an ambience for conversation and repose while the family room complete with built-in cabinets and woodburning fireplace is smartly located next to the kitchen, to gather and enjoy meals, games, sports and lively fun. Lovely breakfast nook with beautiful morning light starts the day right! The home office with custom built-in cabinetry is separate from the main living area to provide privacy and quiet. An upstairs large laundry room with great natural lighting. Many added features:closet systems, wired surround sound systems thoughout the home, new HVAC system,new energy efficient windows and lots of storage.Detached 2 car garage with separate storage room with a large undeveloped backyard is perfect for an outdoor kitchen, pool, bocce or ADU. Ready for you to enjoy!