Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers:
SEC Accession No. 0000950123-11-052773
Filing Date
2011-05-23
Accepted
2011-05-23 06:41:01
Documents
8
Effectiveness Date
2011-05-23

Document Format Files

Seq Description Document Type Size
1 S-3ASR w82658sv3asr.htm S-3ASR 247432
2 EX-4.2 w82658exv4w2.htm EX-4.2 244802
3 EX-4.3 w82658exv4w3.htm EX-4.3 247198
4 EX-5.1 w82658exv5w1.htm EX-5.1 35714
5 EX-12.1 w82658exv12w1.htm EX-12.1 17250
6 EX-23.1 w82658exv23w1.htm EX-23.1 1544
7 EX-23.2 w82658exv23w2.htm EX-23.2 1629
8 GRAPHIC w82658w8265800.gif GRAPHIC 3267
  Complete submission text file 0000950123-11-052773.txt   801183
Mailing Address 1331 L STREET NW WASHINGTON DC 20005
Business Address 1331 L STREET NW WASHINGTON DC 20005 2023466500
COSTAR GROUP INC (Filer) CIK: 0001057352 (see all company filings)

EIN.: 522091509 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-3ASR | Act: 33 | File No.: 333-174407 | Film No.: 11863437
SIC: 7389 Services-Business Services, NEC