<SEC-DOCUMENT>0001104659-17-032311.txt : 20170512
<SEC-HEADER>0001104659-17-032311.hdr.sgml : 20170512
<ACCEPTANCE-DATETIME>20170512161143
ACCESSION NUMBER:		0001104659-17-032311
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170511
FILED AS OF DATE:		20170512
DATE AS OF CHANGE:		20170512

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TopBuild Corp
		CENTRAL INDEX KEY:			0001633931
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				473096382
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		260 JIMMY ANN DRIVE
		CITY:			DAYTONA BEACH
		STATE:			FL
		ZIP:			32114
		BUSINESS PHONE:		(386) 304-2200

	MAIL ADDRESS:	
		STREET 1:		260 JIMMY ANN DRIVE
		CITY:			DAYTONA BEACH
		STATE:			FL
		ZIP:			32114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Masco SpinCo Corp.
		DATE OF NAME CHANGE:	20150213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Buck Robert M
		CENTRAL INDEX KEY:			0001644960

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36870
		FILM NUMBER:		17838741

	MAIL ADDRESS:	
		STREET 1:		260 JIMMY ANN DRIVE
		CITY:			DAYTONA BEACH
		STATE:			FL
		ZIP:			32114
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-05-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001633931</issuerCik>
        <issuerName>TopBuild Corp</issuerName>
        <issuerTradingSymbol>BLD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001644960</rptOwnerCik>
            <rptOwnerName>Buck Robert M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TOPBUILD CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>475 N. WILLIAMSON BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>DAYTONA BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>52.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>59204</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Paul Joachimczyk, Attorney-in-Fact</signatureName>
        <signatureDate>2017-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
