<SEC-DOCUMENT>0001638599-18-000682.txt : 20180620
<SEC-HEADER>0001638599-18-000682.hdr.sgml : 20180620
<ACCEPTANCE-DATETIME>20180620123115
ACCESSION NUMBER:		0001638599-18-000682
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180618
FILED AS OF DATE:		20180620
DATE AS OF CHANGE:		20180620

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WINFIELD JOHN V
		CENTRAL INDEX KEY:			0000935390

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35200
		FILM NUMBER:		18909125

	MAIL ADDRESS:	
		STREET 1:		11620 WILSHIRE BOULEVARD, SUITE 350
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Comstock Mining Inc.
		CENTRAL INDEX KEY:			0001120970
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				650955118
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1200 AMERICAN FLAT ROAD
		CITY:			VIRGINIA CITY,
		STATE:			NV
		ZIP:			89440
		BUSINESS PHONE:		775-847-5272

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1118
		CITY:			VIRGINIA CITY,
		STATE:			NV
		ZIP:			89440

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLDSPRING INC
		DATE OF NAME CHANGE:	20040730

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLDSPRING
		DATE OF NAME CHANGE:	20030821

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STARTCALL COM INC
		DATE OF NAME CHANGE:	20010305
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4_5489.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-06-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001120970</issuerCik>
        <issuerName>Comstock Mining Inc.</issuerName>
        <issuerTradingSymbol>LODE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000935390</rptOwnerCik>
            <rptOwnerName>WINFIELD JOHN V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11620 WILSHIRE BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 350</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2018-06-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>80114</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.2614</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9285067</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>INTERGROUP CORP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2018-06-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.2525</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9085067</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>INTERGROUP CORP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sale of the shares was made as part of the reporting person's tax planning needs.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/John V. Winfield</signatureName>
        <signatureDate>2018-06-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
