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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 IbdTvdNLAcFRN12XscUlnA==

<SEC-DOCUMENT>0001085760-10-000023.txt : 20100402
<SEC-HEADER>0001085760-10-000023.hdr.sgml : 20100402
<ACCEPTANCE-DATETIME>20100402131322
ACCESSION NUMBER:		0001085760-10-000023
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100306
FILED AS OF DATE:		20100402
DATE AS OF CHANGE:		20100402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ambrose Bradley James
		CENTRAL INDEX KEY:			0001487430

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-155507
		FILM NUMBER:		10727498

	MAIL ADDRESS:	
		STREET 1:		5596 E. HINSDALE CIR
		CITY:			CENTENNIAL
		STATE:			CO
		ZIP:			80122

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRANT HARTFORD CORP
		CENTRAL INDEX KEY:			0001425392
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MT

	BUSINESS ADDRESS:	
		STREET 1:		619 S.W. HIGGINS
		STREET 2:		SUITE 0
		CITY:			MISSOULA
		STATE:			MT
		ZIP:			59803
		BUSINESS PHONE:		406-531-3363

	MAIL ADDRESS:	
		STREET 1:		619 S.W. HIGGINS
		STREET 2:		SUITE 0
		CITY:			MISSOULA
		STATE:			MT
		ZIP:			59803
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001425392</issuerCik>
        <issuerName>GRANT HARTFORD CORP</issuerName>
        <issuerTradingSymbol>none</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001487430</rptOwnerCik>
            <rptOwnerName>Ambrose Bradley James</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5596 E. HINSDALE CIR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CENTENNIAL</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80122</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP Corporate Finance</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>138800</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.001</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>213800</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>BJ Ambrose</signatureName>
        <signatureDate>2010-03-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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