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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WLSOIwIjMdAnvS1Omj4C1b6fw5kkyW4+yA1rxG0Sz5TCnEon6AckBf8J14Jv25VE
 8zG/YnXw1Lv/HvBch3seag==

<SEC-DOCUMENT>0001181431-07-058407.txt : 20070920
<SEC-HEADER>0001181431-07-058407.hdr.sgml : 20070920
<ACCEPTANCE-DATETIME>20070920192555
ACCESSION NUMBER:		0001181431-07-058407
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070920
FILED AS OF DATE:		20070920
DATE AS OF CHANGE:		20070920

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:			0203

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Einstein Clifford J
		CENTRAL INDEX KEY:			0001412843

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14970
		FILM NUMBER:		071127962

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		510-893-7300

	MAIL ADDRESS:	
		STREET 1:		200 FOURTH STREET
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94607
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd173062.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-09-20</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001412843</rptOwnerCik>
            <rptOwnerName>Einstein Clifford J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 FOURTH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94607</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Tim Lester, attorney-in-fact for Clifford Einstein</signatureName>
        <signatureDate>2007-09-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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