1Q 2010 QUARTERLY REPORT

Company

COSTAR GROUP, INC.

Filed

April 23, 2010

Period of Report

March 31, 2010

Accession Number

0001057352-10-000023

A 10-Q is a quarterly financial report filed after each of the first three quarters of a fiscal year. It includes unaudited financial statements and management commentary. Learn more about 10-Q filings →