Residence N1405 at 121 East 22nd Street is a coveted 1,123-square-foot one-bedroom, one-and-a-half-bath condominium perfectly positioned between Lexington Avenue and Park Avenue South, a single block from the private gates of Gramercy Park. Conceived by Pritzker Prize laureate Rem Koolhaas and OMA—their first ground-up residential commission in New York—this home unites museum-quality architecture...