-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Gv7NlA3hmcSiFsMEJXs/GV+I/kTHGo6730ViakO+rUVbfrFrcd/badmK5me80lxm
 19dMVIdeKCU7yY0xL9OTRQ==

<SEC-DOCUMENT>0000086104-06-000070.txt : 20060426
<SEC-HEADER>0000086104-06-000070.hdr.sgml : 20060426
<ACCEPTANCE-DATETIME>20060426195358
ACCESSION NUMBER:		0000086104-06-000070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060424
FILED AS OF DATE:		20060426
DATE AS OF CHANGE:		20060426

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAFECO CORP
		CENTRAL INDEX KEY:			0000086104
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				910742146
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4333 BROOKLYN AVE NE
		STREET 2:		SAFECO PLAZA
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98185
		BUSINESS PHONE:		2065455000

	MAIL ADDRESS:	
		STREET 1:		4333 BROOKLYN AVE NE
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98185

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL AMERICA CORP
		DATE OF NAME CHANGE:	19680529

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Locke Gary F
		CENTRAL INDEX KEY:			0001319102

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06563
		FILM NUMBER:		06782682

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		206-545-5000

	MAIL ADDRESS:	
		STREET 1:		4333 BROOKLYN AVENUE NE
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98185
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-24</periodOfReport>

    <issuer>
        <issuerCik>0000086104</issuerCik>
        <issuerName>SAFECO CORP</issuerName>
        <issuerTradingSymbol>SAFC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001319102</rptOwnerCik>
            <rptOwnerName>Locke Gary F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1501 FOURTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2600</rptOwnerStreet2>
            <rptOwnerCity>SEATTLE</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-04-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26.341</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.46</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>26.341</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>194.954</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-04-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>.814</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.46</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>.814</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>195.768</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-04-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1.733</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.46</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1.733</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>197.501</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These Phantom Stock Units may be converted to shares of Safeco stock as follows:  The number of Phantom Stock Units acquired multiplied by the price of Phantom Stock Units on the transaction date divided by the closing price of Safeco stock on the transaction date.</footnote>
        <footnote id="F2">These Phantom Stock Units were acquired under the Safeco Corporation Deferred Compensation Plan for Directors (the &quot;Plan&quot;) as a result of deferred director fees and will be settled in cash following termination of the reporting person's service as a director of Safeco Corporation, or may be reallocated to another investment option pursuant to the terms of the Plan.</footnote>
        <footnote id="F3">These Phantom Stock Units accrued under the Plan and will be settled in cash following termination of the reporting person's service as a director of Safeco Corporation, or may be reallocated to another investment option pursuant to the terms of the Plan.</footnote>
        <footnote id="F4">These Phantom Stock Units accrued under the Plan from dividends received on restricted stock rights held by the reporting person and will be settled in cash following termination of the reporting person's service as a director of Safeco Corporation, or may be reallocated to another investment option pursuant to the terms of the Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>SoYoung Kwon,  Attorney-in-fact for Gary F. Locke</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----