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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-06-24</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001850902</issuerCik>
        <issuerName>Alpha Teknova, Inc.</issuerName>
        <issuerTradingSymbol>TKNO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001401768</rptOwnerCik>
            <rptOwnerName>Grossman Paul David</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>360 POST STREET, SUITE 601</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>Mr. Grossman, a partner of Telegraph Hill Partners Management Company, LLC (&quot;THPMC&quot;), is a member of the board of directors of the Issuer. THPMC and certain of its affiliates have filed a separate Form 3 reporting derivative securities of the Issuer that they may be deemed to beneficially own. Mr. Grossman disclaims beneficial ownership of any securities of the Issuer that may be deemed to be benefically owned by THPMC and its affiliates.

Exhibit List
Exhibit 24 - Power of Attorney (Paul David Grossman)</remarks>

    <ownerSignature>
        <signatureName>/s/ Damon A. Terrill, Attorney-in-Fact for Paul David Grossman</signatureName>
        <signatureDate>2021-06-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
