-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 BLBPIven6r4Ew4C0NCOdmtr55Ug3uxSmfPnmfjaNbYdmBQ/V9sLvdROPJfS/2ML9
 yivLZebUMcYzPnkLZ2L/gQ==

<SEC-DOCUMENT>0001032220-08-000088.txt : 20081218
<SEC-HEADER>0001032220-08-000088.hdr.sgml : 20081218
<ACCEPTANCE-DATETIME>20081218191346
ACCESSION NUMBER:		0001032220-08-000088
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081216
FILED AS OF DATE:		20081218
DATE AS OF CHANGE:		20081218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAXIMUS INC
		CENTRAL INDEX KEY:			0001032220
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				541000588
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: TREASURY DEPT.
		STREET 2:		11419 SUNSET HILLS ROAD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
		BUSINESS PHONE:		7032518500

	MAIL ADDRESS:	
		STREET 1:		ATTN: TREASURY DEPT.
		STREET 2:		11419 SUNSET HILLS ROAD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			POND PETER
		CENTRAL INDEX KEY:			0001232763

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12997
		FILM NUMBER:		081258536

	BUSINESS ADDRESS:	
		STREET 1:		NAVIGANT CONSULTING INC
		STREET 2:		615 N. WABASH AVE.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-12-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001032220</issuerCik>
        <issuerName>MAXIMUS INC</issuerName>
        <issuerTradingSymbol>MMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232763</rptOwnerCik>
            <rptOwnerName>POND PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.87</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-12-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>74</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>74</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>74</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>34.1</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-12-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>73</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>73</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>73</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each RSU represents a contingent right to receive one share of common stock.</footnote>
        <footnote id="F2">Restricted stock units vest based upon the following schedule, subject to deferred vesting for a longer period at the election of the individual, as permitted by the terms of the award:

Shares    Vest Date
0         12/16/2009
0         12/16/2010
74        12/16/2011
Expiration date not applicable to RSUs.</footnote>
        <footnote id="F3">Reporting person also holds restricted stock units with respect to an additional 26,052 shares of common stock with varying vesting schedules.</footnote>
        <footnote id="F4">Restricted stock units vest upon the following schedule, subject to deferred vesting for a longer period at the election of the individual, as permitted by the terms of the award:

Shares     Vest Date
0          12/17/2009
0          12/17/2010
73         12/17/2011
Expiration date not applicable to RSUs.</footnote>
        <footnote id="F5">Reporting person also holds restricted stock unit with respect to additional 26,126 shares of common stock with varying vesting schedules.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>David Francis: As Attorney-In-Fact for:    Peter Pond</signatureName>
        <signatureDate>2008-12-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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