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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001057352-13-000013
Filing Date
2013-03-01
Accepted
2013-02-28 17:58:52
Documents
16
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 2012 10-K csgp20121231-10k.htm 10-K 2347017
2 LEAVING AGREEMENT csgp-ex1019_20121231.htm EX-10.19 206196
3 SUBSIDIARIES OF REGISTRANT csgp-ex211_20121231.htm EX-21.1 4975
4 CONSENT OF INDEPENDENT REG PUB ACCT FIRM csgp-ex231_20121231.htm EX-23.1 10813
5 CERTIFICATION OF CEO csgp-ex311_20121231.htm EX-31.1 15277
6 CERTIFICATION OF CFO csgp-ex312_20121231.htm EX-31.2 15215
7 906 CERTIFICATION OF CEO csgp-ex321_20121231.htm EX-32.1 10604
8 906 CERTIFICATION OF CFO csgp-ex322_20121231.htm EX-32.2 10504
15 PERFORMANCE GRAPH csgp2012graph.gif GRAPHIC 11949
16 LOGO currentcostarlogo-noreg.jpg GRAPHIC 5367
  Complete submission text file 0001057352-13-000013.txt   15729782

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT csgp-20121231.xml EX-101.INS 2591463
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT csgp-20121231.xsd EX-101.SCH 78190
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT csgp-20121231_cal.xml EX-101.CAL 126448
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT csgp-20121231_def.xml EX-101.DEF 365657
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT csgp-20121231_lab.xml EX-101.LAB 1152609
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT csgp-20121231_pre.xml EX-101.PRE 603481
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)

IRS No.: 522091509 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-24531 | Film No.: 13653939
SIC: 7389 Services-Business Services, NEC