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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 R3R7L/R5IveihElEF/qbn683qW/P4Qqivh/NVN+macC4X00KudVIkBsV+0ab2nlb
 QRlgU3pz7mg47edblHp1DA==

<SEC-DOCUMENT>0001214896-09-000009.txt : 20090406
<SEC-HEADER>0001214896-09-000009.hdr.sgml : 20090406
<ACCEPTANCE-DATETIME>20090406170741
ACCESSION NUMBER:		0001214896-09-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090402
FILED AS OF DATE:		20090406
DATE AS OF CHANGE:		20090406

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KB HOME
		CENTRAL INDEX KEY:			0000795266
		STANDARD INDUSTRIAL CLASSIFICATION:	OPERATIVE BUILDERS [1531]
		IRS NUMBER:				953666267
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		10990 WILSHIRE BLVD
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
		BUSINESS PHONE:		3102314000

	MAIL ADDRESS:	
		STREET 1:		10990 WILSHIRE BLVD
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KAUFMAN & BROAD HOME CORP
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCCAFFERY MICHAEL G
		CENTRAL INDEX KEY:			0001256735

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09195
		FILM NUMBER:		09735691

	MAIL ADDRESS:	
		STREET 1:		10990 WILSHIRE BOULEVARD
		STREET 2:		7TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-04-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000795266</issuerCik>
        <issuerName>KB HOME</issuerName>
        <issuerTradingSymbol>KBH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001256735</rptOwnerCik>
            <rptOwnerName>MCCAFFERY MICHAEL G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KB HOME</rptOwnerStreet1>
            <rptOwnerStreet2>10990 WILSHIRE BOULEVARD, 7TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.55</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-04-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40393</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2009-04-02</value>
            </exerciseDate>
            <expirationDate>
                <value>2024-04-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40393</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40393</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Annual award of Common Stock Options under the KB Home Non-Employee Directors Stock Plan, which award is exempt under Rule 16b-3, and per the reporting person's election will be paid out in cash only, with the amount paid equal to the positive difference between their exercise price and the closing price of the registrant's Common Stock on the applicable exercise date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Tony Richelieu, Attorney-in-Fact for Michael G. McCaffery</signatureName>
        <signatureDate>2009-04-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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