<SEC-DOCUMENT>0000899243-23-003480.txt : 20230202
<SEC-HEADER>0000899243-23-003480.hdr.sgml : 20230202
<ACCEPTANCE-DATETIME>20230202164300
ACCESSION NUMBER:		0000899243-23-003480
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230131
FILED AS OF DATE:		20230202
DATE AS OF CHANGE:		20230202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Romaglino Christian
		CENTRAL INDEX KEY:			0001709479

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-22426
		FILM NUMBER:		23581502

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Taxable Municipal Bond Trust
		CENTRAL INDEX KEY:			0001493683
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Build America Bond Trust
		DATE OF NAME CHANGE:	20100608
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-01-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001493683</issuerCik>
        <issuerName>BlackRock Taxable Municipal Bond Trust</issuerName>
        <issuerTradingSymbol>BBN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0001709479</rptOwnerCik>
            <rptOwnerName>Romaglino Christian</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>55 EAST 52ND STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10055</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Portfolio Manager</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                    <footnoteId id="F2"/>
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        </nonDerivativeTransaction>
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    <derivativeTable>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>133.0377</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F1"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>133.0377</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
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            <transactionDate>
                <value>2023-01-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>51.4012</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
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                <transactionAcquiredDisposedCode>
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                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
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            <expirationDate>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>51.4012</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>102.8023</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeTransaction>
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                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
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                <value>2023-01-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>43.0876</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
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                <transactionAcquiredDisposedCode>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>43.0876</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>43.0876</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F4"/>
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            <transactionDate>
                <value>2023-01-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>48.9864</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F4"/>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <footnoteId id="F1"/>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
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                    <value>0</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.</footnote>
        <footnote id="F2">As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.</footnote>
        <footnote id="F3">As previously reported on a Form 4 dated February 2, 2021, the Reporting Person was granted phantom shares on January 29, 2021 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.</footnote>
        <footnote id="F4">As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.</footnote>
        <footnote id="F5">These phantom shares vest in equal installments on each of the first three anniversaries of the award.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gladys Chang as Attorney-in-Fact</signatureName>
        <signatureDate>2023-02-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
