<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001752036</cik>
        <entityName>California BanCorp</entityName>
        <issuerAddress>
            <street1>1300 CLAY STREET</street1>
            <street2>SUITE 500</street2>
            <city>OAKLAND</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>94612</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>510-457-3769</issuerPhoneNumber>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2017</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steven</firstName>
                <lastName>Shelton</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Randall</firstName>
                <lastName>Greenfield</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephen</firstName>
                <middleName>A.</middleName>
                <lastName>Cortese</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Andrew</firstName>
                <middleName>J.</middleName>
                <lastName>Armanino</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Edward</firstName>
                <middleName>B.</middleName>
                <lastName>Collins</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kevin</firstName>
                <middleName>J.</middleName>
                <lastName>Cullen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephen</firstName>
                <middleName>R.</middleName>
                <lastName>Dathe</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Wayne</firstName>
                <lastName>Doiguchi</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Donald</firstName>
                <middleName>J.</middleName>
                <lastName>Kintzer</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Rochelle</firstName>
                <middleName>G.</middleName>
                <lastName>Klein</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <middleName>R.</middleName>
                <lastName>Morehouse</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>H.</middleName>
                <lastName>Sears</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Traille</firstName>
                <middleName>E.</middleName>
                <lastName>Edmond</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1300 Clay Street</street1>
                <street2>Suite 500</street2>
                <city>Oakland</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94612</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Commercial Banking</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$25,000,001 - $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2018-08-15</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>122910</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Keefe</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Keefe, Bruyette &amp; Woods, Inc.</associatedBDName>
                <associatedBDCRDNumber>481</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>787 7th Avenue</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10019</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>CT</state>
                    <description>CONNECTICUT</description>
                    <state>IL</state>
                    <description>ILLINOIS</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>VA</state>
                    <description>VIRGINIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Hovde</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Hovde Group, LLC</associatedBDName>
                <associatedBDCRDNumber>25425</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1629 Colonial Parkway</street1>
                    <city>Inverness</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60067</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>CT</state>
                    <description>CONNECTICUT</description>
                    <state>IL</state>
                    <description>ILLINOIS</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>VA</state>
                    <description>VIRGINIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>25000000</totalOfferingAmount>
            <totalAmountSold>25000000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>22</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>1299000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>California BanCorp</issuerName>
                <signatureName>/s/ Randall D. Greenfield</signatureName>
                <nameOfSigner>Randall D. Greenfield</nameOfSigner>
                <signatureTitle>EVP &amp; CFO</signatureTitle>
                <signatureDate>2018-09-06</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
