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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Hithr/II0rAHrkY6YbYkQOPlTfmwsplhx2SFI7MINQL6A4yfYndQL2aYQUthuQd3
 Ea+Eohpne70NFNi1K8OXIA==

<SEC-DOCUMENT>0001179110-03-010900.txt : 20031118
<SEC-HEADER>0001179110-03-010900.hdr.sgml : 20031118
<ACCEPTANCE-DATETIME>20031118141804
ACCESSION NUMBER:		0001179110-03-010900
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031117
FILED AS OF DATE:		20031118

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MID-STATE BANCSHARES
		CENTRAL INDEX KEY:			0001027324
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				770442667
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1026 GRAND AVE
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93420
		BUSINESS PHONE:		8054737700

	MAIL ADDRESS:	
		STREET 1:		1026 GRAND AVE
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93420

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MID STATE BANCSHARES
		DATE OF NAME CHANGE:	19980820

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BSM BANCORP
		DATE OF NAME CHANGE:	19961121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HERON H EDWARD
		CENTRAL INDEX KEY:			0001198889

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23925
		FILM NUMBER:		031010204

	BUSINESS ADDRESS:	
		STREET 1:		MID-STATE BANCSHARES
		STREET 2:		POST OFFICE BOX 580
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93421-0580
		BUSINESS PHONE:		8054736829

	MAIL ADDRESS:	
		STREET 1:		MID-STATE BANCSHARES
		STREET 2:		POST OFFICE BOX 580
		CITY:			ARROYO GRANDE
		STATE:			CA
		ZIP:			93421-0580
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-11-17</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001027324</issuerCik>
        <issuerName>MID-STATE BANCSHARES</issuerName>
        <issuerTradingSymbol>MDST</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198889</rptOwnerCik>
            <rptOwnerName>HERON H EDWARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1026 EAST GRAND AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARROYO GRANDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93420</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value>
</securityTitle>
<transactionDate><value>2003-11-17</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>J</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"></footnoteId>
</transactionCoding>
<transactionAmounts><transactionShares><value>7184</value>
</transactionShares>
<transactionPricePerShare><value>26.22</value>
<footnoteId id="F2"></footnoteId>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>D</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>26830</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership><value>Trustee for Kelly Shea Heron Trust</value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<derivativeTable></derivativeTable>
<footnotes><footnote id="F1">Transferring ownership of shares from the H. Edward Heron TR UA December 19, 1989 FBO Kelly Shea Heron Trust into the name of the child - Kelly Shea Fuller.</footnote>
<footnote id="F2">Closing market value for MDST as of November 17, 2003.</footnote>
</footnotes>
<ownerSignature><signatureName>H. Edward Heron</signatureName>
<signatureDate>2003-11-18</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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