-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TI9e4LSziG3eY3NojcHlFPlAFmZ90pfZXkrJM3sCXdewyVq0gqaWKbFArOSNHg6D
 K8XZkCQ1hyF4aFHoMEokdA==

<SEC-DOCUMENT>0001290762-04-000004.txt : 20040819
<SEC-HEADER>0001290762-04-000004.hdr.sgml : 20040819
<ACCEPTANCE-DATETIME>20040819151727
ACCESSION NUMBER:		0001290762-04-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040817
FILED AS OF DATE:		20040819

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GIORNELLI LILLIAN C
		CENTRAL INDEX KEY:			0001231792

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11312
		FILM NUMBER:		04986167

	MAIL ADDRESS:	
		STREET 1:		2500 WINDY RIDGE PARKWAY SUITE 1600
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COUSINS PROPERTIES INC
		CENTRAL INDEX KEY:			0000025232
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				580869052
		STATE OF INCORPORATION:			GA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2500 WINDY RIDGE PKWY STE 1600
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339-5683
		BUSINESS PHONE:		7709552200

	MAIL ADDRESS:	
		STREET 1:		2500 WINDY RIDGE PARKWAY
		STREET 2:		SUITE 1600
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339-5683
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001231792d20040819f4s1f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000025232</issuerCik>
        <issuerName>COUSINS PROPERTIES INC</issuerName>
        <issuerTradingSymbol>CUZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231792</rptOwnerCik>
            <rptOwnerName>GIORNELLI LILLIAN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2500 WINDY RIDGE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30339</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>291</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.51</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>304039</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42387</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote 2</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Stock granted in lieu of cash for director's fees under the Cousins Properties Incorporated 1999 Incentive Stock Plan.</footnote>
        <footnote id="F2">38,990 shares held as trustee in trusts for the benefit of the reporting person's minor children.  3,397 shares held as trustee under the will of Lillian W. Cousins for the benefit of Charlotte Wyckliffe Cousins.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James A. Fleming, by Power of Attorney</signatureName>
        <signatureDate>2004-08-19</signatureDate>
    </ownerSignature>
</ownershipDocument>

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