Progress continues on the 23-story apartment tower JDL Development is building in River North, designed by Hartshorne Plunkard Architecture. When completed, 640 North Wells will have 251 units and 12,000 square feet of retail space. Expect about 140 parking spots too, if the building permit is to be believed. Lendlease is the general contractor. They’re working on a completion goal of Spring 2017.