UPPER DARBY, PENN. — Dwight City Group, the real estate investment affiliate of Dwight Capital, has opened 901 Quarry, the adaptive reuse of a former 125,000-square-foot warehouse in the Philadelphia suburb of Upper Darby. The building was originally constructed in 1925 and had been dormant for over three decades. 901 Quarry offers 84 units in one- and two-bedroom floor plans. Amenities include onsite parking, a playground and a dog park that will be completed next Spring.