-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QP2SI9ja9VczV+yxK6arHVoLw7dsodlN1o6vx2dZi77xb7eYPtk1hix/h2kqF7L2
 VtMwVhuMbl0NuFUxTojpZA==

<SEC-DOCUMENT>0000086104-05-000113.txt : 20050427
<SEC-HEADER>0000086104-05-000113.hdr.sgml : 20050427
<ACCEPTANCE-DATETIME>20050427195229
ACCESSION NUMBER:		0000086104-05-000113
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050425
FILED AS OF DATE:		20050427
DATE AS OF CHANGE:		20050427

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUTTON TOM
		CENTRAL INDEX KEY:			0001196460

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06563
		FILM NUMBER:		05777885

	BUSINESS ADDRESS:	
		STREET 1:		C/O MONTPELIER RE HOLDING INC
		STREET 2:		MINTFLOWER PLACE 8 PAR LA VILLE RD
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM08

	MAIL ADDRESS:	
		STREET 1:		C/O MONTOPELIER RE HOLDINGS LTD
		STREET 2:		MINTFLOER PLACE 8 PAR LA VILLE RD
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM 08

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
</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>2005-04-25</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196460</rptOwnerCik>
            <rptOwnerName>HUTTON TOM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 EL CAMINO REAL</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 220</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</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>2005-04-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4.607</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.04</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>4.607</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1100.595</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>2005-04-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>.077</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.04</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>.077</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1100.672</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 accrued under the Safeco Corporation Deferred Compensation Plan for Directors (the &quot;Plan&quot;) 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 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 G. Thompson Hutton</signatureName>
        <signatureDate>2005-04-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----