Exclusive: Downtown office building close to sale

A long vacant office building in the central business district has an interested potential buyer.

The Centre City building, a 21-story historic office building at 40 S. Main St. in Dayton, is for sale. Bart Weprin, a managing director with Sperry Van Ness in Cincinnati, is marketing the 100-year-old, 244,000-square-foot building, and said there is a serious buyer in the picture. Weprin said he has been working on a sale for the last six weeks, and the building is not yet under contract.

The building…