A rare investment opportunity in the heart of Upper Manhattan , this fully detached four-family home sits on a wide, tree-lined street and offers 4,370 sq ft of unused FAR, making it ideal for condominium development under R7-2 zoning. Located near a prestigious Columbia-affiliated university and a renowned hospital, the property is perfectly positioned to attract steady rental income from students and professionals alike. With the A, C, and 1 subway lines just steps away, Midtown Manhattan is only 25 minutes away. The neighboring property recently added two floors, maximizing its development potential , now it's your turn to unlock the value of this underutilized gem. Selling it in its current condition.