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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>0001486370-10-000001.txt : 20100308
<SEC-HEADER>0001486370-10-000001.hdr.sgml : 20100308
<ACCEPTANCE-DATETIME>20100308160259
ACCESSION NUMBER:		0001486370-10-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100308
DATE AS OF CHANGE:		20100308
EFFECTIVENESS DATE:		20100308

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			39 Steps OB L.P.
		CENTRAL INDEX KEY:			0001486370
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-139340
		FILM NUMBER:		10663849

	BUSINESS ADDRESS:	
		STREET 1:		C/O ROY GABAY THEATRICAL MANAGEMENT
		STREET 2:		262 WEST 38TH STREET, SUITE 1106
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		212-997-5399

	MAIL ADDRESS:	
		STREET 1:		C/O ROY GABAY THEATRICAL MANAGEMENT
		STREET 2:		262 WEST 38TH STREET, SUITE 1106
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001486370</cik>
        <entityName>39 Steps OB L.P.</entityName>
        <issuerAddress>
            <street1>C/O ROY GABAY THEATRICAL MANAGEMENT</street1>
            <street2>262 WEST 38TH STREET, SUITE 1106</street2>
            <city>NEW YORK</city>
            <stateOrCountry>NY</stateOrCountry>
            <zipCode>10018</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>212-997-5399</issuerPhoneNumber>
        <jurisdictionOfInc>NEW YORK</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Boyett</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Robert Boyett Theatricals LLC</street1>
                <street2>268 West 44th Street, 4thFloor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10036</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member of Robert Boyett Theatricals LLC, General Partner of Issuer</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1 - $1,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Limited partnership interests in 39 Steps OB L.P., producer of the off-Broadway production of the dramatic work entitled &quot;The 39 Steps&quot;</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>5000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>800000</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>800000</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>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>39 Steps OB L.P.</issuerName>
                <signatureName>Robert Boyett</signatureName>
                <nameOfSigner>Robert Boyett</nameOfSigner>
                <signatureTitle>Manager of Robert Boyett Theatricals LLC, General Partner</signatureTitle>
                <signatureDate>2010-03-08</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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