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<P align="center"><B>As filed with the Securities and Exchange Commission on September 18, 2001</B>

<P align="right"><B>Registration No.&nbsp;333-</B>

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<center>
<B>SECURITIES AND EXCHANGE COMMISSION<BR><BR>
Washington, D.C. 20549<BR></B>

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<B>FORM S-8<BR>
REGISTRATION STATEMENT<BR>
UNDER<BR>
THE SECURITIES ACT OF 1933<BR></B>

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<B>COSTAR GROUP, INC.<BR>
(Exact name of registrant as specified in its charter)</B></center>


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        <TD width="30%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="30%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="30%">&nbsp;</TD>
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<TR valign="bottom">
        <TD align=center valign="top"><FONT size="2"><B>Delaware</B></FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
<B>7375</B>
</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2"><B>52-2091509</B></FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
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        <TD align=center valign="top"><FONT size="2">(State or other jurisdiction of</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
(Primary Standard Industrial
</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">(I.R.S. Employer</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align=center valign="top"><FONT size="2">incorporation or organization)</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
Classification Code Number)
</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">Identification No.)</FONT></TD>
</TR>
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2 Bethesda Metro Center<BR>
Bethesda, Maryland 20814<BR>
(301)&nbsp;215-8300
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<P align="center">(Address, including zip code, and telephone number, including area code, of principal executive offices)



<P align="center"><B>CoStar Group, Inc.<BR>
1998 Stock Incentive Plan (as Amended)</B><BR>
(Full Title of the Plan)


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<TABLE cellspacing="0" border="0" cellpadding="0" width="95%" align="center">
<TR valign="bottom">
        <TD width="40%">&nbsp;</TD>
        <TD width="10%">&nbsp;</TD>
        <TD width="40%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2"><B>Jonathan Coleman, Esq</B></FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
Copy to:</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">Associate General Counsel</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
<B>Lanae Holbrook, Esq.</B></FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">CoStar Group, Inc.</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
Fried, Frank, Harris, Shriver &#38; Jacobson</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">2 Bethesda Metro Center</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
1001 Pennsylvania Avenue, NW</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">Bethesda, Maryland 20814</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
Washington, D.C. 20004</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">(301) 215-8300</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
(202) 639-7000</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD align="center"  valign="top"><FONT size="2">Fax: (301)&nbsp;718-2444</FONT></TD>
        <TD></TD>
        <TD  align="center" valign="top"><FONT size="2">
Fax: (202)&nbsp;639-7008</FONT></TD>
</TR>
</TABLE>
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<P align="center">(Name, address, and telephone number, including area code, of agent for service)<BR>
<B>_________________</B>

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<TABLE cellspacing="0" border="0" cellpadding="0" width="55%" align="center">
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        <TD width="33%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="18%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="19%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
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        <TD width="5%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
        <TD width="1%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center" colspan="17"><FONT size="2"><B>CALCULATION OF REGISTRATION FEE</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD colspan="17"><HR size="3" noshade></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>Title of Securities</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Amount</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Proposed Maximum</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Proposed Maximum</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Amount of</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>To Be</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>To Be</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Offering Price Per</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Aggregate Offering</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Registration</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>Registered</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Registered</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Share (1)</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Price (1)</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center" colspan="3"><FONT size="2"><B>Fee (1)</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD colspan="17"><HR size="1" noshade></TD>
</TR>

<TR valign="bottom">
        <TD nowrap><FONT size="2">Common Stock</FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2">750,000 shares</FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2">$ 16.875</FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2">$ 12,656,250</FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2">$ 3,164.06</FONT></TD>
        <TD></TD>
</TR>
<TR valign="bottom">
        <TD nowrap><FONT size="2">$.01 par value</FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="right"><FONT size="2"></FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD align="right"><FONT size="2"></FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD align="right"><FONT size="2"></FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD align="right"><FONT size="2"></FONT></TD>
        <TD></TD>
</TR>
<TR valign="bottom">
        <TD colspan="17"><HR size="3" noshade></TD>
</TR>
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<P>

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<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
      <TD width="1%" align="left">(1)</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="96%">Pursuant to Rules&nbsp;457(c) and (h)(1) under the Securities Act of 1933, as
amended, the Registrant has computed the maximum offering price for the 750,000
shares to be registered solely for the purpose of computing the registration
fee by reference to the average of the high and low sale prices for the
Registrant&#146;s Common Stock on the Nasdaq National Market on September 17, 2001.</TD>
</TR>
</TABLE>
<P align="center">&nbsp;
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<P><HR noshade><P>





<P align="center">Explanatory Note


<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement on Form&nbsp;S-8 relates to the CoStar Group, Inc.
Stock Incentive Plan (the &#147;Plan&#148;) as amended in June, 2001 to increase the
number of shares of common stock, par value $.01 per share (the &#147;Common
Stock&#148;), to be issued thereunder by 750,000 shares. The contents of the
Registrant&#146;s Registration Statement on Form&nbsp;S-8 (File No.&nbsp;333-82599) filed July
9, 1999, as modified and supplemented by the Registrant&#146;s Registration
Statement on Form&nbsp;S-8 (File No.&nbsp;333-92165) filed December&nbsp;6, 1999, and as
further modified and supplemented by the Registrant&#146;s Registration Statement on
Form&nbsp;S-8 (File No.&nbsp;333-45770) filed September&nbsp;14, 2000, are hereby incorporated
by reference pursuant to Instruction E of Form&nbsp;S-8. Also pursuant to
Instruction E to Form&nbsp;S-8, the filing fee is being paid only with respect to
the 750,000 shares of common stock not previously registered.

<P align="center"><B>PART II. INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>

<P align="left"><B>Item&nbsp;8.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits</B>

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<TR valign="bottom">
        <TD width="6%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="85%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>Exhibit</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>No.</B></FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="left"><FONT size="2"><B>Description</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><HR size="1"></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="left"><HR size="1" width=64></TD>
</TR>

<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.1</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Restated Certificate of Incorporation (Incorporated by reference to Exhibit&nbsp;3.1 to Amendment No.&nbsp;4 to the
Registration Statement on Form&nbsp;S-1 of the Registrant (Reg. No.&nbsp;333-47953) filed with the Commission on June
30, 1998 (the &#147;1998 Form&nbsp;S-1&#148;)).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.2</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Certificate of Amendment of Restated Certificate of Incorporation (Incorporated by reference to Exhibit&nbsp;3.1
to the Quarterly Report for the Period Ended June&nbsp;30, 1999 on Form&nbsp;10-Q (File No.&nbsp;0-24531), filed with the
Commission on August&nbsp;11, 1999).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.3</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Amended and Restated By-Laws (Incorporated by reference to Exhibit&nbsp;3.2 to the 1998 Form&nbsp;S-1).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.4</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Specimen Common Stock Certificate (Incorporated by reference to Exhibit&nbsp;4.1 to the Company&#146;s Form&nbsp;10-K dated
December&nbsp;31, 1999).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.5</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">CoStar Group, Inc. 1998 Stock Incentive Plan (as Amended) (Incorporated by reference to Exhibit&nbsp;10.1 to the
Quarterly Report for the Period Ended June&nbsp;30, 2001 on Form&nbsp;10-Q (File No.&nbsp;0-24531), filed with the
Commission on August&nbsp;13, 2001).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">5.1*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Opinion of Fried, Frank, Harris, Shriver &#38; Jacobson.</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">23.1*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Consent of Ernst &#38; Young LLP, Independent Auditors.</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">23.2*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Consent of Fried, Frank, Harris, Shriver &#38; Jacobson (Contained in Exhibit&nbsp;5.1).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">24.1</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Powers of Attorney (Included in the Signature Pages to the Registration Statement).</FONT></TD>
</TR>
</TABLE>
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<P>

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<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
      <TD width="1%" align="left">*</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="96%">Filed herewith</TD>
</TR>
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<P align="center">&nbsp;
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<P align="center"><B>SIGNATURES</B>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended,
the Company certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form&nbsp;S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Bethesda, State of Maryland, on September 18,
2001.

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<TABLE cellspacing="0" border="0" cellpadding="0" width="55%" align="center">
<TR valign="bottom">
        <TD width="100%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">COSTAR GROUP, INC</FONT></TD>
</TR>
<TR><TD><FONT size="2">&nbsp;</FONT></TD></TR>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">By:&nbsp;<U>/s/ Andrew C. Florance</U><BR>
Andrew C. Florance<BR>
Chief Executive Officer and President</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL PERSONS BY THESE PRESENT, that each individual whose signature
appears below constitutes and appoints Andrew C. Florance and Frank A. Carchedi
power of substitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments to this registration statement, and
to file the same, with all exhibits thereto and to all documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to confirming all that said attorneys-in-fact
and agents or any of them, or his or their substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended,
this report has been signed by the following persons in the capacities
indicated on the dates indicated.

<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="75%" align="center">
<TR valign="bottom">
        <TD width="31%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="38%">&nbsp;</TD>
        <TD width="5%">&nbsp;</TD>
        <TD width="21%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>SIGNATURE</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2"><B>CAPACITY</B></FONT></TD>
        <TD></TD>
        <TD nowrap align="center"><FONT size="2"><B>DATE</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><HR size="1" width=73></TD>
        <TD></TD>
        <TD nowrap align="center"><HR size="1" width=65></TD>
        <TD></TD>
        <TD nowrap align="center"><HR size="1" width=33></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________
Michael R. Klein</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Chairman of the Board
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>

<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Chief Executive Officer,
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">Andrew C. Florance</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&nbsp;&nbsp;President, and a Director</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&nbsp;&nbsp;(Principal Executive Officer)</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Chief Financial Officer (Chief
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">Frank A. Carchedi</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&nbsp;&nbsp;Financial and Accounting</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&nbsp;&nbsp;Officer)</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Director
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">David Bonderman</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Director
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">Warren H. Haber</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Director
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">Josiah O. Low, III</FONT></TD>
</TR>
<tr><td>&nbsp;&nbsp;</td></tr>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">___________________</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
Director
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">September 18, 2001</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">John Simon</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P align="center">&nbsp;
<!-- PAGEBREAK -->
<P><HR noshade><P>


<P align="center">INDEX TO EXHIBITS


<CENTER>
<TABLE cellspacing="0" border="0" cellpadding="0" width="90%" align="center">
<TR valign="bottom">
        <TD width="6%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="85%">&nbsp;</TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>Exhibit</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><FONT size="2"><B>No.</B></FONT></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="left"><FONT size="2"><B>Description</B></FONT></TD>
</TR>
<TR valign="bottom">
        <TD nowrap align="center"><HR size="1"></TD>
        <TD></TD>
        <TD></TD>
        <TD></TD>
        <TD nowrap align="left"><HR size="1" width=66></TD>
</TR>

<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.1</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Restated Certificate of Incorporation (Incorporated by reference to Exhibit&nbsp;3.1 to Amendment No.&nbsp;4 to the
Registration Statement on Form&nbsp;S-1 of the Registrant (Reg. No.&nbsp;333-47953) filed with the Commission on June
30, 1998 (the &#147;1998 Form&nbsp;S-1&#148;)).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.2</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Certificate of Amendment of Restated Certificate of Incorporation (Incorporated by reference to Exhibit&nbsp;3.1 to
the Quarterly Report for the Period Ended June&nbsp;30, 1999 on Form&nbsp;10-Q (File No.&nbsp;0-24531), filed with the
Commission on August&nbsp;11, 1999).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.3</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Amended and Restated By-Laws (Incorporated by reference to Exhibit&nbsp;3.2 to the 1998 Form&nbsp;S-1).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.4</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Specimen Common Stock Certificate (Incorporated by reference to Exhibit&nbsp;4.1 to the Company&#146;s Form&nbsp;10-K dated
December&nbsp;31, 1999).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">4.5</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">CoStar Group, Inc. 1998 Stock Incentive Plan (as Amended) (Incorporated by reference to Exhibit&nbsp;10.1 to the
Quarterly Report for the Period Ended June&nbsp;30, 2001 on Form&nbsp;10-Q (File No.&nbsp;0-24531), filed with the Commission
on August&nbsp;13, 2001).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">5.1*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Opinion of Fried, Frank, Harris, Shriver &#38; Jacobson.</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">23.1*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Consent of Ernst &#38; Young LLP, Independent Auditors.</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">23.2*</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Consent of Fried, Frank, Harris, Shriver &#38; Jacobson (Contained in Exhibit&nbsp;5.1).</FONT></TD>
</TR>
<TR><TD><TR><TD><TR><TD><TR><TD>
<TR valign="bottom">
        <TD valign="top"><FONT size="2">24.1</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">
&#151;
</FONT></TD>
        <TD></TD>
        <TD  align="left" valign="top"><FONT size="2">Powers of Attorney (Included in the Signature Pages to the Registration Statement).</FONT></TD>
</TR>
</TABLE>
</CENTER>
<P>

<HR size="2" width="10%" align="left" noshade>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
<TR valign="top">
      <TD width="1%" align="left">*</TD>
        <TD width="3%">&nbsp;</TD>
        <TD width="96%">Filed herewith</TD>
</TR>
</TABLE>

<P align="center">&nbsp;

</BODY>
</HTML>
[{"type": "S-8", "sequence": "1", "filename": "w53276s-8.htm", "description": "FORM S-8", "secsgml_size_bytes": 27576}]
{"company-data": {"conformed-name": "COSTAR GROUP INC", "cik": "0001057352", "assigned-sic": "7374", "irs-number": "522091508", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-69548", "film-number": "1739606"}, "business-address": {"street1": "2 BETHESDA METRO CENTER", "street2": "10TH FLOOR", "city": "BETHESDA", "state": "MD", "zip": "20814", "phone": "3012158300"}, "mail-address": {"street1": "2 BETHESDA METRO CENTER", "city": "BETHESDA", "state": "MD", "zip": "20814"}}
s-8
As filed with the Securities and Exchange Commission on September 18, 2001
Registration No. 333-
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
COSTAR GROUP, INC.
(Exact name of registrant as specified in its charter)
Delaware
7375
52-2091509
(State or other jurisdiction of
(Primary Standard Industrial
(I.R.S. Employer
incorporation or organization)
Classification Code Number)
Identification No.)
2 Bethesda Metro Center
Bethesda, Maryland 20814
(301) 215-8300
(Address, including zip code, and telephone number, including area code, of principal executive offices)
CoStar Group, Inc.
1998 Stock Incentive Plan (as Amended)
(Full Title of the Plan)
Jonathan Coleman, Esq
Copy to:
Associate General Counsel
Lanae Holbrook, Esq.
CoStar Group, Inc.
Fried, Frank, Harris, Shriver & Jacobson
2 Bethesda Metro Center
1001 Pennsylvania Avenue, NW
Bethesda, Maryland 20814
Washington, D.C. 20004
(301) 215-8300
(202) 639-7000
Fax: (301) 718-2444
Fax: (202) 639-7008
(Name, address, and telephone number, including area code, of agent for service)
_________________
CALCULATION OF REGISTRATION FEE
Title of Securities
Amount
Proposed Maximum
Proposed Maximum
Amount of
To Be
To Be
Offering Price Per
Aggregate Offering
Registration
Registered
Registered
Share (1)
Price (1)
Fee (1)
Common Stock
750,000 shares
$ 16.875
$ 12,656,250
$ 3,164.06
$.01 par value
(1)
Pursuant to Rules 457(c) and (h)(1) under the Securities Act of 1933, as
amended, the Registrant has computed the maximum offering price for the 750,000
shares to be registered solely for the purpose of computing the registration
fee by reference to the average of the high and low sale prices for the
Registrant's Common Stock on the Nasdaq National Market on September 17, 2001.
Explanatory Note
This Registration Statement on Form S-8 relates to the CoStar Group, Inc.
Stock Incentive Plan (the "Plan") as amended in June, 2001 to increase the
number of shares of common stock, par value $.01 per share (the "Common
Stock"), to be issued thereunder by 750,000 shares. The contents of the
Registrant's Registration Statement on Form S-8 (File No. 333-82599) filed July
9, 1999, as modified and supplemented by the Registrant's Registration
Statement on Form S-8 (File No. 333-92165) filed December 6, 1999, and as
further modified and supplemented by the Registrant's Registration Statement on
Form S-8 (File No. 333-45770) filed September 14, 2000, are hereby incorporated
by reference pursuant to Instruction E of Form S-8. Also pursuant to
Instruction E to Form S-8, the filing fee is being paid only with respect to
the 750,000 shares of common stock not previously registered.
PART II. INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8.      Exhibits
Exhibit
No.
Description
4.1
—
Restated Certificate of Incorporation (Incorporated by reference to Exhibit 3.1 to Amendment No. 4 to the
Registration Statement on Form S-1 of the Registrant (Reg. No. 333-47953) filed with the Commission on June
30, 1998 (the "1998 Form S-1")).
4.2
—
Certificate of Amendment of Restated Certificate of Incorporation (Incorporated by reference to Exhibit 3.1
to the Quarterly Report for the Period Ended June 30, 1999 on Form 10-Q (File No. 0-24531), filed with the
Commission on August 11, 1999).
4.3
—
Amended and Restated By-Laws (Incorporated by reference to Exhibit 3.2 to the 1998 Form S-1).
4.4
—
Specimen Common Stock Certificate (Incorporated by reference to Exhibit 4.1 to the Company's Form 10-K dated
December 31, 1999).
4.5
—
CoStar Group, Inc. 1998 Stock Incentive Plan (as Amended) (Incorporated by reference to Exhibit 10.1 to the
Quarterly Report for the Period Ended June 30, 2001 on Form 10-Q (File No. 0-24531), filed with the
Commission on August 13, 2001).
5.1*
—
Opinion of Fried, Frank, Harris, Shriver & Jacobson.
23.1*
—
Consent of Ernst & Young LLP, Independent Auditors.
23.2*
—
Consent of Fried, Frank, Harris, Shriver & Jacobson (Contained in Exhibit 5.1).
24.1
—
Powers of Attorney (Included in the Signature Pages to the Registration Statement).
*
Filed herewith
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended,
the Company certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Bethesda, State of Maryland, on September 18,
2001.
COSTAR GROUP, INC
By:
/s/ Andrew C. Florance
Andrew C. Florance
Chief Executive Officer and President
KNOW ALL PERSONS BY THESE PRESENT, that each individual whose signature
appears below constitutes and appoints Andrew C. Florance and Frank A. Carchedi
power of substitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments to this registration statement, and
to file the same, with all exhibits thereto and to all documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to confirming all that said attorneys-in-fact
and agents or any of them, or his or their substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, as amended,
this report has been signed by the following persons in the capacities
indicated on the dates indicated.
SIGNATURE
CAPACITY
DATE
___________________
Michael R. Klein
Chairman of the Board
September 18, 2001
___________________
Chief Executive Officer,
September 18, 2001
Andrew C. Florance
President, and a Director
(Principal Executive Officer)
___________________
Chief Financial Officer (Chief
September 18, 2001
Frank A. Carchedi
Financial and Accounting
Officer)
___________________
Director
September 18, 2001
David Bonderman
___________________
Director
September 18, 2001
Warren H. Haber
___________________
Director
September 18, 2001
Josiah O. Low, III
___________________
Director
September 18, 2001
John Simon
INDEX TO EXHIBITS
Exhibit
No.
Description
4.1
—
Restated Certificate of Incorporation (Incorporated by reference to Exhibit 3.1 to Amendment No. 4 to the
Registration Statement on Form S-1 of the Registrant (Reg. No. 333-47953) filed with the Commission on June
30, 1998 (the "1998 Form S-1")).
4.2
—
Certificate of Amendment of Restated Certificate of Incorporation (Incorporated by reference to Exhibit 3.1 to
the Quarterly Report for the Period Ended June 30, 1999 on Form 10-Q (File No. 0-24531), filed with the
Commission on August 11, 1999).
4.3
—
Amended and Restated By-Laws (Incorporated by reference to Exhibit 3.2 to the 1998 Form S-1).
4.4
—
Specimen Common Stock Certificate (Incorporated by reference to Exhibit 4.1 to the Company's Form 10-K dated
December 31, 1999).
4.5
—
CoStar Group, Inc. 1998 Stock Incentive Plan (as Amended) (Incorporated by reference to Exhibit 10.1 to the
Quarterly Report for the Period Ended June 30, 2001 on Form 10-Q (File No. 0-24531), filed with the Commission
on August 13, 2001).
5.1*
—
Opinion of Fried, Frank, Harris, Shriver & Jacobson.
23.1*
—
Consent of Ernst & Young LLP, Independent Auditors.
23.2*
—
Consent of Fried, Frank, Harris, Shriver & Jacobson (Contained in Exhibit 5.1).
24.1
—
Powers of Attorney (Included in the Signature Pages to the Registration Statement).
*
Filed herewith