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Filing Detail
Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001057352-10-000006
Filing Date
2010-03-04
Accepted
2010-03-03 18:10:42
Documents
6
Period of Report
2009-12-31

Document Format Files

Seq Description Document Type Size
1 ANNUAL REPORT form_10-k.htm 10-K/A 1676914
2 CONSENT OF E&Y ey-consent.htm EX-23.1 4606
3 CEO CERTIFICATION ceocert.htm EX-31.1 9764
4 CFO CERTIFICATION cfocert.htm EX-31.2 8666
5 CEO 906 CERTIFICATION ceo-906_cert.htm EX-32.1 10515
6 CFO 906 CERTIFICATION cfo-906_cert.htm EX-32.2 9941
  Complete submission text file 0001057352-10-000006.txt   1721814
Mailing Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814
Business Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300
COSTAR GROUP INC (Filer) CIK: 0001057352 (see all company filings)

IRS No.: 522091509 | Fiscal Year End: 1231
Type: 10-K/A | Act: 34 | File No.: 000-24531 | Film No.: 10654761
SIC: 7389 Services-Business Services, NEC