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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001471395-09-000001.txt : 20090910
<SEC-HEADER>0001471395-09-000001.hdr.sgml : 20090910
<ACCEPTANCE-DATETIME>20090909173553
ACCESSION NUMBER:		0001471395-09-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Securities Act Section 4(6)
FILED AS OF DATE:		20090910
DATE AS OF CHANGE:		20090909
EFFECTIVENESS DATE:		20090910

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ladco Properties XXXI, L.L.C.
		CENTRAL INDEX KEY:			0001471395
		IRS NUMBER:				262042807
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-134270
		FILM NUMBER:		091061291

	BUSINESS ADDRESS:	
		STREET 1:		590 MARKET STREET
		CITY:			WEST DES MOINES
		STATE:			IA
		ZIP:			50266
		BUSINESS PHONE:		515 278 8505

	MAIL ADDRESS:	
		STREET 1:		590 MARKET STREET
		CITY:			WEST DES MOINES
		STATE:			IA
		ZIP:			50266
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0502</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001471395</cik>
        <entityName>Ladco Properties XXXI, L.L.C.</entityName>
        <issuerAddress>
            <street1>590 MARKET STREET</street1>
            <street2></street2>
            <city>WEST DES MOINES</city>
            <stateOrCountry>IA</stateOrCountry>
            <zipCode>50266</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>515 278 8505</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>IOWA</jurisdictionOfInc>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jon</firstName>
                <middleName></middleName>
                <lastName>Garnaas</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>590 Market Street</street1>
                <street2></street2>
                <city>West Des Moines</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>50266</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and Director of Ladco Development, Inc., Manager of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Courtney</firstName>
                <middleName></middleName>
                <lastName>Stevens</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>590 Market Street</street1>
                <street2></street2>
                <city>West Des Moines</city>
                <stateOrCountry>IA</stateOrCountry>
                <zipCode>50266</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive officer of Ladco Capital, Inc., affiliate of the Manager of the Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Commercial</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>46</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>25000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>1017000</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>1017000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>0</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>1017000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>Some or all of the proceeds of the offering may be paid to Ladco Development, Inc., Manager of the Issuer, and its affiliates to cover project costs advanced by these entities.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Ladco Properties XXXI, L.L.C.</issuerName>
                <signatureName>Jon Garnaas</signatureName>
                <nameOfSigner>Jon Garnaas</nameOfSigner>
                <signatureTitle>President of Ladco Dedvelopment, Inc., Manager of the Issuer</signatureTitle>
                <signatureDate>2009-09-09</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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