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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,
 RixN9OYwb2oX8rZ17CCD7LsOE50pw40B6Xs3TSpngaxWou1g+jyTEZRKo6toP3Qd
 9CzHqhe5y8sjXGXY+5+HlA==

<SEC-DOCUMENT>0001209191-05-021086.txt : 20050419
<SEC-HEADER>0001209191-05-021086.hdr.sgml : 20050419
<ACCEPTANCE-DATETIME>20050419063745
ACCESSION NUMBER:		0001209191-05-021086
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050414
FILED AS OF DATE:		20050419
DATE AS OF CHANGE:		20050419

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KEITH COMPANIES INC
		CENTRAL INDEX KEY:			0001080922
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		IRS NUMBER:				330203193
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		19 TECHNOLOGY DRIVE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		949-923-6000

	MAIL ADDRESS:	
		STREET 1:		19 TECHNOLOGY DRIVE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STANTEC INC
		CENTRAL INDEX KEY:			0001131383

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26561
		FILM NUMBER:		05758071

	BUSINESS ADDRESS:	
		STREET 1:		10160 112TH STREET
		STREET 2:		EDMONTO9N ALBERTA T5K 2L6 CANADA
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>bay16413_bay01.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-04-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001080922</issuerCik>
        <issuerName>KEITH COMPANIES INC</issuerName>
        <issuerTradingSymbol>TKCI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001131383</rptOwnerCik>
            <rptOwnerName>STANTEC INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10160 - 112 STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EDMONTON, ALBERTA</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>T5K 2L6</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Voting Agreement</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <remarks>Reporting Person has no pecuniary interest in the securities.</remarks>

    <ownerSignature>
        <signatureName>By: /s/ Jeffrey S. Lloyd</signatureName>
        <signatureDate>2005-04-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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