Welcome to 149 Avenue C, a beautifully maintained split-level Colonial in the heart of Holbrook and the desirable Sachem School District. This 4-bedroom, 1.5-bath home offers 1,703 sq ft of comfortable living space featuring a bright eat-in kitchen, cozy den, and spacious bedrooms. Enjoy your private backyard oasis with an in-ground pool and cement patio, perfect for entertaining. Additional highlights include a partial basement with laundry, attached one-car garage, and fully fenced yard. Conveniently located near parks, shops, restaurants, and the Ronkonkoma LIRR station. Move-in ready with endless potential!