This month in real estate history

From the April issue: The New York Stock Exchange building, billed as the costliest building ever constructed for the securities industry, opened 113 years ago this month. The building at 18 Broad Street was estimated to cost approximately $4 million, but including the cost of land, the entire project ended up costing closer to $9 million, the New York Times reported. Measuring 109 feet by 140 feet, the trading floor was one of the largest spaces in the city, with six Corinthian columns and a skylight set into a 72-foot-high ceiling. [more]