COSTAR
GROUP, INC.
|
(Exact
name of registrant as specified in its
charter)
|
Delaware
|
0-24531
|
52-2091509
|
(State
or other jurisdiction of incorporation)
|
(Commission
File Number)
|
(IRS
Employer Identification No.)
|
2 Bethesda Metro Center, Bethesda,
Maryland
|
20814
|
(Address
of principal executive offices)
|
(Zip
Code)
|
Not
Applicable
|
(Former
name or former address, if changed since last
report.)
|
COSTAR
GROUP, INC.
|
|
By:
|
|
Date: October
20, 2009
|
/s/
Brian Radecki
|
Name:
Brian Radecki
|
|
Title:
Chief Financial Officer
|