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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000939057-05-000155.txt : 20050616
<SEC-HEADER>0000939057-05-000155.hdr.sgml : 20050615
<ACCEPTANCE-DATETIME>20050616100638
ACCESSION NUMBER:		0000939057-05-000155
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050615
FILED AS OF DATE:		20050616
DATE AS OF CHANGE:		20050616

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH DAVID ALAN
		CENTRAL INDEX KEY:			0001257763

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23333
		FILM NUMBER:		05899166

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		3605537061

	MAIL ADDRESS:	
		STREET 1:		18 WESTVIEW DR
		CITY:			HOQUIAM
		STATE:			WA
		ZIP:			98550

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TIMBERLAND BANCORP INC
		CENTRAL INDEX KEY:			0001046050
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
		IRS NUMBER:				911863696
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		624 SIMPSON AVE
		CITY:			HOQUIAM
		STATE:			WA
		ZIP:			98550
		BUSINESS PHONE:		3605334747

	MAIL ADDRESS:	
		STREET 1:		624 SIMPSON AVE
		CITY:			HOQUIAM
		STATE:			WA
		ZIP:			98550
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-06-15</periodOfReport>

    <dateOfOriginalSubmission>2005-06-14</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001046050</issuerCik>
        <issuerName>TIMBERLAND BANCORP INC</issuerName>
        <issuerTradingSymbol>TSBK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001257763</rptOwnerCik>
            <rptOwnerName>SMITH DAVID ALAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>18 WESTVIEW DR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOQUIAM</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98550</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.01 par value per</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-14</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.1</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8810</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The number of shares sold on 6/14/2005 was incorrectly reported as 16 shares on the initial Form 4 filing. This Form 4 amendment reports the correct sale of 25 shares.</footnote>
        <footnote id="F2">Includes indirect ownership of 2,267 shares held by MRDP Trust; does not reflect beneficial ownership of stock options reportable on Table II.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/David A. Smith</signatureName>
        <signatureDate>2005-06-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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