-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 uwS9y7TkGqHj31OPtAAKRA==

<SEC-DOCUMENT>0001438508-09-000001.txt : 20090619
<SEC-HEADER>0001438508-09-000001.hdr.sgml : 20090619
<ACCEPTANCE-DATETIME>20090619164827
ACCESSION NUMBER:		0001438508-09-000001
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20090619
DATE AS OF CHANGE:		20090619
EFFECTIVENESS DATE:		20090619

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LBA REALTY FUND IV LP
		CENTRAL INDEX KEY:			0001438508
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-119561
		FILM NUMBER:		09901849

	BUSINESS ADDRESS:	
		STREET 1:		17901 VON KARMAN AVENUE
		STREET 2:		SUITE 950
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		949 833-0400

	MAIL ADDRESS:	
		STREET 1:		17901 VON KARMAN AVENUE
		STREET 2:		SUITE 950
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0401</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001438508</cik>
        <entityName>LBA REALTY FUND IV LP</entityName>
        <issuerAddress>
            <street1>17901 VON KARMAN AVENUE</street1>
            <street2>SUITE 950</street2>
            <city>IRVINE</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>92614</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>949 833-0400</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>GP</firstName>
                <middleName></middleName>
                <lastName>LBA Management Company IV, LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>17901 Von Karman Avenue</street1>
                <street2>Suite 950</street2>
                <city>Irvine</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>92614</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Manager</firstName>
                <middleName></middleName>
                <lastName>LBA Realty LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>17901 Von Karman Avenue</street1>
                <street2>Suite 950</street2>
                <city>Irvine</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>92614</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of the General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Managing Member</firstName>
                <middleName></middleName>
                <lastName>LBA, Inc.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>17901 Von Karman Avenue</street1>
                <street2>Suite 950</street2>
                <city>Irvine</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>92614</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member of the General Partner</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-08-029580</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-06-03</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>100000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>736200000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>64</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>The General Partner of the Issuer will receive a monthly fee for its management services and will be entitled to share in a percentage of the profits (if any) generated by the Issuer.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>LBA REALTY FUND IV LP</issuerName>
                <signatureName>Philip A. Belling</signatureName>
                <nameOfSigner>Philip A. Belling</nameOfSigner>
                <signatureTitle>Secretary of the Managing Member of the General Partner</signatureTitle>
                <signatureDate>2009-06-19</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----