ANNUAL REPORT

Company

COSTAR GROUP, INC.

Filed

February 29, 2008

Period of Report

December 31, 2007

Accession Number

0001057352-08-000004

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →