Welcome to 14 Chestnut Street, a well-maintained legal two-family home located in Lynbrook within the Malverne Union Free School District! This property features two distinct units with an ideal layout for multi-generational living or rental income. The first-floor unit offers 2 bedrooms, 1.5 baths, a dining area, and an eat-in kitchen. The second unit includes 3 bedrooms, 1.5 baths, an eat-in kitchen, a formal dining room, and access to partial attic storage. Additional highlights include a full finished basement with an outside entrance (OSE), a dedicated home office, and an extra full bathroom. Gas heat throughout. Exterior features a 2-car garage and a large driveway providing parking for up to 7 cars total. Conveniently zoned for Davison Avenue Intermediate, Howard T. Herber Middle, and Malverne Senior High School.