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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KC4icE+PT/H61hOh9QdPxgF9+Npa+1CTkQDl6RgqA9CezBCZ0ICSyPuch6nXX9K7
 Gzv26FnYqet8Qg64tmtk9g==

<SEC-DOCUMENT>9999999995-11-000445.txt : 20110215
<SEC-HEADER>9999999995-11-000445.hdr.sgml : 20110215
<ACCEPTANCE-DATETIME>20110215001514
ACCESSION NUMBER:		9999999995-11-000445
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20110214
DATE AS OF CHANGE:		20110215
EFFECTIVENESS DATE:		20110214

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Builders FirstSource, Inc.
		CENTRAL INDEX KEY:			0001316835
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-LUMBER & OTHER BUILDING MATERIALS DEALERS [5211]
		IRS NUMBER:				522084569
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-164102
		FILM NUMBER:		11612217

	BUSINESS ADDRESS:	
		STREET 1:		2001 BRYAN STREET, SUITE 1600
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		(214) 880-3500

	MAIL ADDRESS:	
		STREET 1:		2001 BRYAN STREET, SUITE 1600
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2011-02-14</finalEffectivenessDispDate>
        <accessionNumber>0000950123-11-010846</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0001316835</cik>
            <entityName>Builders FirstSource, Inc.</entityName>
            <fileNumber>333-164102</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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