CoStar Gr (NASDAQ:CSGP) reported quarterly earnings of $0.31 per share which beat the analyst consensus estimate of $0.27 by 13.14 percent. This is a 106.67 percent increase over earnings of $0.15 per share from the same period last year. The company reported quarterly sales of $900.000 million which beat the analyst consensus estimate of $885.967 million by 1.58 percent. This is a 26.87 percent increase over sales of $709.400 million the same period last year.