chi-wide_lrg_gsa-state-street-rendering The Century & Consumers Buildings at 220 S. State St. could soon provide apartments to the CBD’s growing population of office workers.

CHICAGO—Portions of this city’s downtown sometimes feels like a permanent construction site, as multifamily developers rush to satisfy the intense demand for apartments in the urban core. The big concern hanging over all this activity was whether new completions would outrun that healthy demand.