The Vern Riffe State Office Tower is a 503-foot-tall (153 m) skyscraper in Columbus, Ohio. It was completed in 1988 and has 32 floors. NBBJ designed the building, which is the fifth-tallest in Columbus, and has 102,192 m² of floor area. An earlier concept for the site, also designed by by NBBJ, would have included a site to the west of the present location, and would have effectively closed off South Wall Street north of West State Street. The building was named for Vernal G.