Construction is now above street level on 660 Lexington Avenue, a 19-story residential building in Midtown East, Manhattan. Designed by Zproekt Architecture and developed and built by Sergey Rybak of Rybak Development under the 660 Lexington Avenue Development LLC, the 233-foot-tall structure will span 52,558 square feet and yield 23 condominium units with an average scope…
