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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001854139</issuerCik>
        <issuerName>Zevia PBC</issuerName>
        <issuerTradingSymbol>ZVIA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001871807</rptOwnerCik>
            <rptOwnerName>Simms Lorna R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ZEVIA PBC</rptOwnerStreet1>
            <rptOwnerStreet2>15821 VENTURA BLVD., SUITE 145</rptOwnerStreet2>
            <rptOwnerCity>ENCINO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91436</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, GC &amp; Corporate Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>133333</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>238113</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units (&quot;RSUs&quot;) granted under the Zevia PBC 2021 Equity Incentive Plan (the &quot;2021 Plan&quot;). Each RSU represents the right to receive one share of Class A Common Stock of the Issuer. The RSUs vest in 1/4 increments on each anniversary of March 11, 2024 and are settled within 30 days following each vesting date.</footnote>
        <footnote id="F2">Includes 208,157 RSUs. Each RSU represents the right to receive one share of Class A Common Stock of the Issuer. 17,334 RSUs are vested in full, subject to deferred settlement on January 17, 2025. 18,140 RSUs began vesting in 1/4 increments on each anniversary of March 17, 2022 and are settled within 30 days following each vesting date. 43,885 RSUs begin vesting in 1/4 increments on each anniversary of March 17, 2023 and are settled within 30 days following each vesting date. 133,333 RSUs begin vesting in 1/4 increments on each anniversary of March 11,2024 and are settled within 30 days following each vesting date.</footnote>
        <footnote id="F3">Reflects a reduction of 17 RSUs, which were overreported on the Form 4 filed on March 22, 2023 and in subsequent reports, due to a calculation error.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lorna R. Simms</signatureName>
        <signatureDate>2024-03-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
