Fully detached brick multi-family with private driveway and garage in prime Brooklyn location. Flexible layout offering multiple income opportunities and a finished basement with separate entrance. Minutes from subway lines and Prospect Park, combining space, convenience, and long-term value. Welcome to 3553 12th Avenue, a rare fully detached brick multi-family home ideally positioned on the border of Kensington and Borough Park in Brooklyn. Built in 1920, this well-maintained legal three-family property offers approximately 3,000 square feet of interior space and sits on a generous 34.67 ft x 90 ft lot totaling 3,120 square feet. Offering a unique blend of space, flexibility, and income potential, the property is well suited for buyers seeking a primary residence with rental income or investors looking for a versatile Brooklyn investment property. The first floor features a spacious convertible three-bedroom layout, currently utilized as a three-bedroom apartment, providing comfortable living space and flexible use. The second floor includes two bright one-bedroom apartments, each offering efficient layouts that appeal to tenants and support steady rental income. A standout feature of the home is the finished basement with its own separate entrance. This expansive level is currently configured as a large studio-style space and features a generous eat-in kitchen large enough to accommodate an eight-person dining table, washer and dryer, and an abundance of storage closets. The layout easily lends itself to a one-bedroom configuration, offering exceptional versatility for recreation, extended living, or additional usable space. Additional highlights include three gas meters and three electric meters, providing efficient utility management for multi-unit living. Outdoor amenities further enhance the property's appeal, including a private driveway, large garage, and fenced backyard, a rare and highly desirable combination in Brooklyn that offers convenience and valuable off-street parking. Located in an R5-zoned residential neighborhood, the home offers excellent access to neighborhood amenities. The property is conveniently situated near the F and G subway lines at Church Avenue as well as the D train at Fort Hamilton Parkway, providing easy commuting options throughout Brooklyn and into Manhattan. Prospect Park, one of Brooklyns most beloved green spaces, is also just minutes away, offering year-round recreation, walking trails, and open parkland. Whether you're looking to create a home with income or expand your investment portfolio, 3553 12th Avenue presents a rare opportunity to own a spacious, flexible multi-family property in one of Brooklyns most vibrant and connected neighborhoods.