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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,
 ISwKEiwNPUwBAqp0KzKjD0+1NmL6d/DAMKP79i6QFSBBIvmWr41sM6FtKFxx9dDQ
 e9JUAGMalIC/tSuEirmr8g==

<SEC-DOCUMENT>0001181431-06-009257.txt : 20060207
<SEC-HEADER>0001181431-06-009257.hdr.sgml : 20060207
<ACCEPTANCE-DATETIME>20060207194353
ACCESSION NUMBER:		0001181431-06-009257
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060206
FILED AS OF DATE:		20060207
DATE AS OF CHANGE:		20060207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLARDSON THOMAS D
		CENTRAL INDEX KEY:			0001206495

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14970
		FILM NUMBER:		06586879

	BUSINESS ADDRESS:	
		STREET 1:		C/O COST PLUS INC
		STREET 2:		200 FOURTH STREET
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607
		BUSINESS PHONE:		5108937300

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:		5108937300

	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>rrd106890.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000798955</issuerCik>
        <issuerName>COST PLUS INC/CA/</issuerName>
        <issuerTradingSymbol>CPWM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001206495</rptOwnerCik>
            <rptOwnerName>WILLARDSON THOMAS D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 4TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94607</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>18.23</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-02-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Cost Plus Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Option vests in four equal annual installments beginning on February 2, 2007 which is the anniversary date of the grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Chris Miller, Attorney in Fact for Thomas Willardson</signatureName>
        <signatureDate>2006-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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