    <SEC-DOCUMENT>0000876661-21-001069-index.html : 20210715
    <SEC-HEADER>0000876661-21-001069.hdr.sgml : 20210715
    <ACCEPTANCE-DATETIME>20210715161638
    ACCESSION NUMBER:		0000876661-21-001069
    CONFORMED SUBMISSION TYPE:	CERT
    PUBLIC DOCUMENT COUNT:		1
    FILED AS OF DATE:		20210715
    DATE AS OF CHANGE:		20210715
    EFFECTIVENESS DATE:		20210715

    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:		CERT
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40620
    		FILM NUMBER:		211092870

    	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>CERT
    <SEQUENCE>1
    <FILENAME>BLDR071521.pdf
    <DESCRIPTION>NYSE CERTIFICATION
    <TEXT>
    Document 1 - file: BLDR071521.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>