-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LRTOmY0RKJ0Rge8obr6v28NeVMx8pznYwF1gq5O1w7SCyZwe7nn8Q8HxhpLlmkAZ
 bq/EaqCJhBe+t8pC8aWEqw==

<SEC-DOCUMENT>0001249250-03-000003.txt : 20030708
<SEC-HEADER>0001249250-03-000003.hdr.sgml : 20030708
<ACCEPTANCE-DATETIME>20030708144034
ACCESSION NUMBER:		0001249250-03-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030707
FILED AS OF DATE:		20030708

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ESTES TIMOTHY R
		CENTRAL INDEX KEY:			0001249250

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10613
		FILM NUMBER:		03778397

	BUSINESS ADDRESS:	
		STREET 1:		DYCOM INDUSTRIES INC
		STREET 2:		4440 PGA BLVD STE 500
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33410
		BUSINESS PHONE:		5616277171

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DYCOM INDUSTRIES INC
		CENTRAL INDEX KEY:			0000067215
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		IRS NUMBER:				591277135
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			0729

	BUSINESS ADDRESS:	
		STREET 1:		4440 PGA BLVD. STE 500
		STREET 2:		FIRST UNION CENTER
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33410
		BUSINESS PHONE:		5616277171

	MAIL ADDRESS:	
		STREET 1:		4440 PGA BLVD STE 500
		STREET 2:		FIRST UNION CENTER
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33410

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MOBILE HOME DYNAMICS INC
		DATE OF NAME CHANGE:	19820302
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-07-07</periodOfReport>
    <issuer>
        <issuerCik>0000067215</issuerCik>
        <issuerName>DYCOM INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>DY</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001249250</rptOwnerCik>
            <rptOwnerName>ESTES TIMOTHY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Executive Vice President/COO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>11250</value></transactionShares><transactionValue><value>14.1389</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>40920</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwner
ship></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>11250</value></transactionShares><transactionValue><value>17.3668</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>29670</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Employee Stock Option (right to buy)</value></securityTitle><conversionOrExer
cisePrice><value>14.1389</value></conversionOrExercisePrice><transactionDate><value>2003-07-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>11250</value></transactionShares><transactionValue><value>0</value><footnoteId id="F1"/></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2002-08-24</value></exerciseDate><expirationDate><value>2003-08-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>11250</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIn
directOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">No consideration was paid for the derivative security.</footnote><footnote id="F2">Following the reported transaction the reporting person did not own any derivative securities of the class involved in the reported transaction.</footnote></footnotes><ownerSignature><signatureName>Timothy R. Estes</signatureName><signatureDate>2003-07-08</signatureDate></ownerSignature></ownershipDocument>

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