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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,
 Go6epRP9bM26AjQC2QCnUzrUPGbAL/A24CKsDNNxJBCaPpIH6TPVYBt2Ywsl21k4
 d0HFfkhIQFafBUB2KYH1Hw==

<SEC-DOCUMENT>0001181431-03-020636.txt : 20030827
<SEC-HEADER>0001181431-03-020636.hdr.sgml : 20030827
<ACCEPTANCE-DATETIME>20030827143144
ACCESSION NUMBER:		0001181431-03-020636
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030827
FILED AS OF DATE:		20030827

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DASHE MURRAY H
		CENTRAL INDEX KEY:			0001192304

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14970
		FILM NUMBER:		03868262

	BUSINESS ADDRESS:	
		STREET 1:		200 FOURTH STREET
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COST PLUS INC/CA/
		CENTRAL INDEX KEY:			0000798955
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-HOME FURNITURE, FURNISHINGS & EQUIPMENT STORES [5700]
		IRS NUMBER:				941067973
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0130

	BUSINESS ADDRESS:	
		STREET 1:		200 FOURTH STREET OAKLAND
		STREET 2:		SEE ADDRESS LISTED ABOVE
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607
		BUSINESS PHONE:		4158937300

	MAIL ADDRESS:	
		STREET 1:		200 FOURTH STREET OAKLAND
		STREET 2:		SEE ADDRESS LISTED ABOVE
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd17103.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-08-27</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000798955</issuerCik>
        <issuerName>COST PLUS INC/CA/</issuerName>
        <issuerTradingSymbol>CPWM</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001192304</rptOwnerCik>
            <rptOwnerName>DASHE MURRAY H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 4TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>94607</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Board Chairman,CEO &amp; President</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Cost Plus Common Stock</value></securityTitle><transactionDate><value>2003-08-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>13000</value></transactionShares><transactionPricePerShare><value>23.0625</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectO
wnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Cost Plus Common Stock</value></securityTitle><transactionDate><value>2003-08-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>13000</value></transactionShares><transactionPricePerShare><value>39.0207</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock Option (right to buy)</value></se
curityTitle><conversionOrExercisePrice><value>23.0625</value></conversionOrExercisePrice><transactionDate><value>2003-08-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>13000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-04-01</value></exerciseDate><expirationDate><value>2011-04-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Cost Plus Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>13000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>30031</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipN
ature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><ownerSignature><signatureName>Jane Baughman, Attorney-in-Fact for Murray Dashe</signatureName><signatureDate>2003-08-27</signatureDate></ownerSignature></ownershipDocument>



</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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