Society Hill Towers is a three-building condominium located in the Society Hill neighborhood of Philadelphia, Pennsylvania. The complex contains three 31-story skyscrapers with 624 units on a 5-acre (2.0 ha) site. The towers were designed by I.M. Pei and Associates and are constructed of poured-in-place concrete, with each apartment featuring floor-to-ceiling windows. Completed in 1964, the apartments were originally rental units but were converted to condominiums in 1979.