437 East 80th Street is a rare 54-foot-wide walkup multifamily building totaling approximately 23,346 gross square feet with 32 units, including 11 free market, 18 rent-stabilized, 2 rent-controlled, and a super’s unit. Free market rents are approximately 15–20% below market, offering a clear opportunity to add value through renovations. The property has been owned by the same family for nearly 50 years and is ideally located just a short walk from the 4/5/6 and Q subway lines at 86th Street.