-----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,
 FgWJ6ceXDQ3tq+ouF1dbt5U93Papur3DhFSYzl6MQxX9Irt8Qb1a3SMYK0mzLDG0
 l3s16yRSjSMHUquQDfagDQ==

<SEC-DOCUMENT>0001179110-04-000803.txt : 20040108
<SEC-HEADER>0001179110-04-000803.hdr.sgml : 20040108
<ACCEPTANCE-DATETIME>20040108192100
ACCESSION NUMBER:		0001179110-04-000803
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040106
FILED AS OF DATE:		20040108

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACK CALI REALTY CORP
		CENTRAL INDEX KEY:			0000924901
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				223305147
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11 COMMERCE DR
		STREET 2:		1ST FLOOR
		CITY:			CRANFORD
		STATE:			NJ
		ZIP:			07016
		BUSINESS PHONE:		9082728000

	MAIL ADDRESS:	
		STREET 1:		11 COMMERCE DRIVE
		STREET 2:		1ST FLOOR
		CITY:			CRANFORD
		STATE:			NJ
		ZIP:			07016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALI REALTY CORP /NEW/
		DATE OF NAME CHANGE:	19960730

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALI REALTY L P
		DATE OF NAME CHANGE:	19941025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALI REALTY CORP
		DATE OF NAME CHANGE:	19940608

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PHILIBOSIAN ALAN G
		CENTRAL INDEX KEY:			0001036089

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13274
		FILM NUMBER:		04516446

	BUSINESS ADDRESS:	
		STREET 1:		106 GRAND AVENUE
		CITY:			ENGLEWOOD
		STATE:			NJ
		ZIP:			07631
		BUSINESS PHONE:		2018941161

	MAIL ADDRESS:	
		STREET 1:		106 GRAND AVENUE
		CITY:			ENGLEWOOD
		STATE:			NJ
		ZIP:			07631
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2004-01-06</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000924901</issuerCik>
        <issuerName>MACK CALI REALTY CORP</issuerName>
        <issuerTradingSymbol>CLI</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001036089</rptOwnerCik>
            <rptOwnerName>PHILIBOSIAN ALAN G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MACK-CALI REALTY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>11 COMMERCE DRIVE</rptOwnerStreet2>
            <rptOwnerCity>CRANFORD</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable></nonDerivativeTable>
<derivativeTable><derivativeTransaction><securityTitle><value>Phantom Stock Units</value>
</securityTitle>
<conversionOrExercisePrice><value>0</value>
<footnoteId id="F1"></footnoteId>
</conversionOrExercisePrice>
<transactionDate><value>2004-01-06</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>106.310</value>
<footnoteId id="F2"></footnoteId>
</transactionShares>
<transactionPricePerShare><value>40.56</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>1988-08-08</value>
<footnoteId id="F3"></footnoteId>
</exerciseDate>
<expirationDate><value>1988-08-08</value>
<footnoteId id="F3"></footnoteId>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>106.310</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>1913.278</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeTransaction>
</derivativeTable>
<footnotes><footnote id="F1">The phantom stock units convert to common stock on a one-for-one basis.</footnote>
<footnote id="F2">The number of phantom stock units awarded is comprised of a quarterly director's fee earned and quarterly dividend credited on cumulative phantom stock units under the Mack-Cali Realty Corporation Deferred Compensation Plan for Directors.</footnote>
<footnote id="F3">The phantom stock units were accrued under the Mack-Cali Realty Corporation Deferred Compensation Plan for Directors and are to be settled 100% in Mack-Cali Realty Corporation common stock upon the termination of the reporting person's service on the Board of Directors of Mack-Cali Realty Corporation or upon a change in control of Mack-Cali Realty Corporation.</footnote>
</footnotes>
<ownerSignature><signatureName>/s/ Alan G. Philibosian</signatureName>
<signatureDate>2004-01-08</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----