Folsom Powerhouse 31 unit mixed use development occupying the majority of the 1700 block of Folsom Street. DeveloperArchitectGeneral Contractor Equinox Management & Construction and Postgreen Homes ISA Architects Equinox Management & Construction Contact Us Name Email Address Message Send Message 1521 N 31st Street, Suite 100, Philadelphia, PA 19121 Property Management/Leasing: 215-966-8627 info@equinoxmc.com Equinox Resident Portal Rental Application