CoStar Gr (NASDAQ:CSGP) reported quarterly earnings of $0.23 per share which beat the analyst consensus estimate of $0.18 by 27.78 percent. This is a 475 percent increase over earnings of $0.04 per share from the same period last year. The company reported quarterly sales of $897.000 million which beat the analyst consensus estimate of $896.773 million by 0.03 percent. This is a 22.51 percent increase over sales of $732.200 million the same period last year.