The 1,800-square-foot pre-war loft in the Northside Arts Industries Condominium is as classic as it gets, with impossibly high ceilings, exposed brick, wood beams and pipes and a flexible layout. The New York Times tells us that the building was developed back in 1983, when the neighborhood’s north side was a burned-out jumble of factories, ethnic enclaves and a smattering of artists. The latter had come to escape Soho rents, taking over abandoned factories and warehouses and paying rents that averaged around $550 a month for a one-bedroom apartment. In 1986, a loft space in the building could be rented for $5 a square foot. Today, a sprawling home at 119 North 11th Street asks $8,500 a month ($57 a foot) and the trendy and amenity-packed neighborhood’s artists have (mostly) escaped eastward once again.